初中英语知识点总结

2023-08-04 知识点总结

  总结是事后对某一阶段的学习、工作或其完成情况加以回顾和分析的一种书面材料,它有助于我们寻找工作和事物发展的规律,从而掌握并运用这些规律,因此我们需要回头归纳,写一份总结了。我们该怎么去写总结呢?以下是小编为大家收集的初中英语知识点总结,欢迎大家分享。

  初中英语知识点总结1

  I.要点

  表示说的话不是事实,或者是不可能发生的情况,而是一种愿望、建议或与事实相反的假设等。一般常用于正式的书面语中。

  1、虚拟语气的构成

  如:与现在事实相反

  If I had more time, I should study German.(fact:I have no more time, so I shall not study German. )

  If she were not so busy, she would attend the meeting this afternoon.(fact:she is very busy, so she will not attend the meeting this afternoon.)

  If they didn’t take physical exercises every day, they wouldn’t be so healthy.(fact: they take physical exercises every day, so they are very healthy.)

  与过去事实相反:

  I would have checked my paper again if I had had more time at yesterday’s examination.(fact:I had no more time at yesterday’s exam, so I didn’t check my paper again)

  You would have already recovered from his illness if he had seen the doctor in good time.(fact: He didn’t see the doctor in good time ,so he hasn’t recovered from his illness )

  与将来事实相反:

  If it rains tomorrow, our picnic will be put off.(The weather has been changeable these days.)

  If it rained tomorrow, our picnic would be put off.( The weather has beenvery good these days.)

  If it should rain tomorrow, our picnic would be put off.(That would be out of our expectation.)

  If it were to rain tomorrow, our picnic would be put off. (条件从句谓语动词用were to +动词原形,表示下雨的可能性极小。Were to rain和should rain都表示“出乎意料之外”,但were to加强表示“当初没想到以后的事”)

  注:

  (1)如果条件从句谓语动词包含有were或had, should, could有时可将if省去,但要倒装。如:

  Had you (If you had) invited us, we would have come to your party.

  (2)混合时间条件句的用法:

  有时条件从句的动作和主句动作发生的时间不一致。这时动词的形式,应根据它所要表达的具体时间来决定用什么形式。

  1) If she hadn’t trained so hard, she wouldn’t be run so fast.(从句叙述过去,主句叙述现在。)

  (fact: she has trained very hard, so she would able to run fast.)

  2)You would speak English well enough if you had practised reading and speaking it every day.(主句叙述现在,从句叙述过去)

  (fact: You didn’t practice (hasn’t practiced ) reading and speaking it every day, so you can’t speak English well enough.)

  (3)在其他状语从句中的用法

  主要用于由as if (as though)引导的比较状语从句,从句中谓语动词一般用“动词的过去式(be变were )或had +过去分词。”如:

  She looked as if she were ill.(实际上她没有病,在这里用虚拟语气补语比喻她精神不佳)

  Xiao Liu speaks English so well as if he had studied in England.(这里用虚拟语气表现他的英语说得好)

  2、虚拟语气在各种从句的'应用

  (1)在主语从句中用来表示惊奇、惋惜、理应如此等,其谓语形式是"should(可省) +动词原形",常用于以下三种句型中。

  句型一:It is necessary (important, natural, strange, etc) that…

  句型二:It is a pity (a shame, no wonder, etc) that…

  句型三:It is suggested (requested, proposed, desired, etc) that…

  如:It is strange that he (should) have done that.

  It is a pity that he (should) be so careless.

  It is requested that we (should) be so careless.

  (2)在宾语从句中用于suggest, propose, move, insist, desire, demand, request, order, command等动词后的宾语从句中,表间接的命令和建议。其谓语形式是"(should)+动词原形"。如:

  I suggest that we (should) go swimming.

  (3)在表语从句中,表示间接的命令,要求、请求、建议、决定等,主句中的主语通常是suggestion, proposal, request, orders, idea等。从句谓语形式是"(should)+动词原形"。如:

  His suggestion is that we (should) leave at once.

  (4)在同位语从句中,谓语形式是"(should)+动词原形"。如:

  We received order that the work be done at once.

  (5)在It is time that…句型中,其谓语动词形式是"动词的过去式"或"should +动词原形",should不可省。如:

  Its time (that) we went ( should go) to school.

  初中英语知识点总结2

  一、关系代词引导的定语从句

  1、由who, whom, that,Whose引导的从句

  这些词代替的先行词是人的名词或代词,who作主语指人,whom作宾语指人,that既可作主语又可作宾语(作宾语可以省略),可以指人也可以指物。Whose 用来指人或物,只用作定语。

  (1) Is he the man who/that wants to see you? 他是那个想见你的男人吗?(who/that在从句中作主语)

  (2) He is the man whom/ that I saw yesterday. 他就是我昨天见的那个人。(whom/that在从句中作宾语)

  (3) The man whom you spoke to just now is our English teacher 你刚刚说话的那个男人是我们的英语老师

  (4) he man whose son is a doctor is our professor. 那个儿子是医生的男人是我们的教授。

  2、由which, that引导的从句

  它们所代替的先行词是事物的名词或代词,在从句中可作主语、宾语等,作宾语时可以省略,例如:

  (1) Prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。(which / that在从句中作主语)

  (2) The package (which / that) you are carrying is about to come unwrapped. 你拿那个包裹快要散开了。(which / that在从句中作宾语)

  注意: 代表物时多用which,但在下列情况中用that而不用which:

  a)先行词是anything, everything, nothing , none等不定代词时;

  b)先行词由every, any, all, some, no, little, few, much等修饰时,这时的that常被省略;

  c)先行词前有序数词或被形容词最高级修饰时;

  d)先行词中既有人又有物时;

  e)整个句中前面已有which,who,that时;

  f)当先行词为物并作表语时;

  g)先行词为one时;

  h)先行词同时又被the only,the very,the same修饰时;

  二、关系副词引导的定语从句

  1、when指时间在定语从句中做时间状语也可做连接词用

  I still remember the day when I first came to the school.

  2、where指地点在定语从句中做地点状语    Shanghai is the city where I was born.

  3、why指原因在定语从句中做原因状语 ,用在reason 后面。 Please tell me the reason why you missed the plane.

  常见考法

  对于定语从句的考查,多以单选的形式考查学生灵活运用的能力。一般情况下,常从关系词的.意义和功能的角度考查,重点是that,which,who引导的定语从句。

  典型例题:

  Youre the only person ______Ive ever met ______could do it.

  A. who B. whom C. whom D. who

  解析:先行词person后有两个定语从句,第一个从句省略了关系代词whom.因为, whom作从句中met的宾语,可以省略.第二个从句who could do it.who在从句中作主语,不可省略.

  答案:D

  误区提醒

  当表示时间或地点的名词作先行词时,要判断出它们在从句中作状语还是主语或宾语。作状语时用关系副词,反之用关系代词。

  典型例题:

  I can never forget the day _______ we worked together and the day ______ we spent together.

  A. when; which B. which; when C. what; that D. on which; when

  解析:两个先行词the day都是表示时间的名词,但第一个空白处要填的关系词在从句中作状语,因此要用关系副词when. 第二个空白处要填的关系词在从句中作动词spent的宾语,因此要用关系代词which或that来引导定语从句.

  答案:A

  初中英语知识点总结3

  在复合句中,修饰某一名词或代词的从句叫做定语从句,它的作用相当于形容词,被修饰的词叫做先行词。

  1、定语从句的位置。

  1)定语从句一般地说要放在先行词之后,无论这个词在句中充当何种成分。

  The student who answered the question is bill.

  2)有时先行词后还有一个作定语的词或词组时,定语从句则应放在上述成分之后。

  Do you know anyone in our class whose father is a business man?

  2、定语从句的引导词

  1)定语从句的引导词是由关系代词或关系副词充当的。

  关系代词有who/whom/whose/that,关系副词有when/where/why,它们除了引导从句的作用外,还要在从句中充当一定的成分。关系代词和关系副词的选用要看其在从句中发挥的作用,与主语没有任何关系。

  在从句中充当主语的`有who/which/that.

  在从句中充当宾语的有whom/which/that.

  在从句中充当定语的有whose.

  在从句中充当状语的有when/where/why.

  当定语从句所修饰的先行词是人时,关系代词要用who(主格),whom(宾格),也可以用that,以及whose(所有格),先行词是物时,关系代词要用which,也可用that.whom/which/that在从句中作宾语时往往可以省略。

  例如:

  The students who do not study hard will not pass the examination.

  Do you know the man(whom)mr green shook hand with?

  The letter(which)I received yesterday is from my sister.

  Who is the man(that)is reading a magazine over there?

  The book(that) you lent me is very ingteresting .

  I will never forget the day when I joined the party.

  Last year I went to the village where I was born.

  This is the reason why she will go to london.

  2)在先行词相同的情况下,根据它们在定语从句中所起的语法作用,可用不同的引导词连接不同的定语从句。

  例如:

  This is the school where I students for six years.(school或student的状语)。

  This is the school which he mentioned just now.(school作menttioned的宾语).

  初中英语知识点总结4

  1,一日三餐前:I have lunch我吃中餐

  2,球类,棋类,I play chess我下象棋,Iplayfootball我踢足球

  3,星期I go to school on Monday我在星期一去上学

  4,月份:Children’s Day is in June儿童节在六月

  5,年份He was born in20xx他出生于20xx年

  6,节日前:On Teachers’ Day在教师节

  7,学科前:I have math class我上数学课

  8,语言:I speak English well我说英语很好

  初中英语知识点总结5

  简单句的五种基本句型

  1.“主语+谓语”(即“主谓”句型)

  例:They arrived in Harbin yesterday morning.分析:“they”(主语)“arrived”(谓语)。

  2.“主语+谓语+宾语”(即“主谓宾”句型)

  例:I study English.分析:“I”(主语)“study”(谓语动作)“English”(宾语即动作涉及的`对象)。

  3.“主语+谓语+间接宾语+直接宾语”(即“主谓双宾”句型)

  例:Our teacher taught us English.分析:“our teacher”(主语)“教”(谓语动作)“us”(间接宾语)“English”(直接宾语)。

  4.“主语+谓语+宾语+宾语补足语”(即“主谓宾宾补”句型)

  例:He asked her to go there.分析:“he”(主语)“asked”(谓语动作)“her”(宾语即动作涉及的对象)“to go there”(补语—补充说明宾语做什么)。

  5.“主语+系动词+表语”(即“主系表”句型)

  常用的系动词有be, keep,lie, remain, stand, become, fall, get, go, grow, turn, look, feel, seem, smell, sound, taste,等。

  例:I am a teacher.分析:“I”(主语)“am”(系动词)“a teacher”(表语—即表明主语的身份)。

  初中英语知识点总结6

  (一)掌握动词的现在时第三人称单数、过去式、过去分词和现在分词四种形式的构成规则;

  1、动词现在时的第三人称单数的构成:

  词尾加-s look-looks find-finds

  以s,x,ch,sh或o结尾词尾加-es watch-watches,push-pushes

  以“辅音字母+y”结尾变y为i再加-es fly-flies,apply-applies

  2、动词的过去式及过去分词的构成:

  ①规则动词的变化:

  词尾加-ed look-looked,looked

  以e结尾词尾加-d live-lived,lived

  以“辅音字母+Y”结尾,变y为i,再加-ed carry-carried,carried

  以重读闭音节或r音节结尾,且末尾只有一个辅音字母双写该辅音字母,再加-ed stop-stopped

  ②不规则动词的变化。(略)

  3、动词的现在分词的构成:

  直接加-ing look-looking watch-watching

  以e结尾去e加-ing come-coming move-moving

  以重读闭音节或r音节结尾,且末尾只有一个辅音字母,双写该辅音字母,再加-ing swim-swimming

  以ie结尾且为重读开音节变ie加y再加ing die-dying lie-lying

  (二)掌握动词六种时态的基本结构,主要用法及区别(一般现在时、一般过去时、一般将来时、过去进行时、现在进行时和现在完成时)

  1、一般现在时

  ①一般现在时常用来表示现在习惯或经常反复发生的动作,与always,usually,often,sometimes,every day(week,month)等连用;表示现在的事实或状态;表示主语所具有的特征,性格和能力;以及表示客观事实或普遍其理。

  ②一般现在时的构成:

  一般现在时通常以动词原形表示,但当主语是第三人称单数时,动词原形后需加-s或-es。

  She likes biology very much.她非常喜欢生物。

  They often go to school by bike.他们通常骑车上学。

  2、一般过去时

  ①一般过去时表示过去发生的动作或存在的状态,常与表示过去时间的副词如:yesterday,last week,two hours ago等连用;表示过去一段时间经常或反复发生的动作,这时可与频度副词often,usually,always等连用;表示过去发生的一连串动作,以及在时间和条件状语从句中,用一般过去时表示过去将来的动作。

  ②一般过去时的构成:一般过去时由动词的过去式构成。

  We met each other on the street yesterday.我们昨天在街上碰见了。

  She often went swimming last year.她去年经常去游泳。

  They moved the chairs to the table,sat down and began to have supper.

  他们把椅子搬到桌边,坐下开始吃饭。

  Mary told me that she would stay at home if it rained.玛丽告诉我如果下雨她就呆在家里。

  3、一般将来时

  ①一般将来时表示将要发生的动作或存在的状态,常与表示将来的时间状语如next month,tomorrow,in a week,soon等连用。

  ②一般将来时的构成:

  (1)一般将来时由“助动词will/shall+动词原形”构成。其中shall主要用于主语是第一人称(I和we)的疑问句中。

  (2)也可以用“be going to+动词原形”这个结构来表示根据目前迹象很有可能发生的某件事情,或是打算、计划、以及决定要做某件事情等。

  They will have a class meeting next Tuesday.他们下周二将举行班会。

  We shall meet at the school gate.我们将在学校大门口见。

  It is going to rain.要下雨了。

  4、现在进行时

  ①现在进行时表示现在正在进行或发生的动作,常与now,at present,at this,moment等连用;或与these days,this week/month等连用,表示现阶段正在进行的动作。有时还与always,continually,forever等词连用,表示反复出现的动作,代替一般现在时,表达说话人强烈的感情。如赞扬、不满、讨厌等。如:588.es

  He is always asking such silly questions.他老是提这类愚蠢的问题。

  ②现在进行时的构成:

  现在进行时由“be(am/is/are)+V-ing”构成。

  They are watching TV now.他们正在看电视。

  The dog is enjoying his meal.小狗正在吃饭。

  5、过去进行时

  ①过去进行时的用法与现在进行时用法相同,只不过参照的时间基准点不同。

  过去进行表示过去某一时刻正在进行的动作。一般和特定的时间状语或状语从句连用。如:then,at that time,at eight yesterday,this time yesterday,when he came in等。

  ②过去进行时的构成与现在进行时类似,只不过把be(am,is,are)变为过去式(was,were)

  They were watching TV at that time.他们那会正在看电视。

  The dog was enjoying his meal at this time yesterday.小狗昨天这个时候正在吃饭。

  6、现在完成时

  ①表示动作已经完成,但后果或影响仍在,常与already,just,yet等副词连用;或是表示过去发生的动作一直持续到现在,常与for或since引导的一段时间状语连用。

  ②现在完成时由助动词“have/has+过去分词”构成。

  He has already come back.他已经回来了。

  He has lived here for three years.他在此住了两年了。

  (三)掌握系动词be,look,feel,smell,get,become,turn,keep等的基本用法

  常见的连系动词有:become,turn,get,grow,keep,feel,look,seem,smell,fall等。它们后面常接形容词,构成系表结构。

  Please keep the classroom clean.请保持教室的.干净。

  The bread looks very fresh.这些面包看上去很新鲜。

  (四)了解过去将来时、过去完成时态的基本用法;

  ①过去将来时表示从过去某一时点看将要发生的动作或存在的状态。过去将来时和一般将来时的构成相同,只是把will,shall变为过去式would,should,把助动词be的过去式变为过去式was或were而已。如:

  They were going to have a meeting.他们曾打算开会。

  ②过去完成时表示在过去某一时刻或动作之前已完成的行为或存在的状态。与现在完成的用法相同,只不过作为衡量基准点的时间点不同,现在完成时以现在作为衡量的基准点,而过去完成时则以过去某个时刻作为基准点。它表示在过去某一时刻或动作之前完成了的动作,即“过去的过去”,常by,before引导的时间状语连用。如:

  By the time he was ten,Edison had built a lab for himself.

  到爱迪生10岁时,他已给自己建了一个实验室。

  She said she had worked in that hospital for 20 years.她说她已在那所医院工作20年了。

  (五)掌握助动词be,do,have,shall,will的基本用法;

  助动词是“辅助性”动词,一般没有词义,不能单独作谓语,但可用来帮助构成谓语,表示不同的时态,语态,和数的变化。

  常见的助动词有:

  (1)be(am,is,are,was,were,being,been)与现在分词结合,构成各种进行时态;或与过去分词结合构成被动语态。

  I’m looking for my pen.我正在找我的笔。(现在进行时)

  These cups are made in China.这些杯子是中国制造的。(被动语态)

  (2)have(has,had,having)与过去分词结合,构成完成时。

  They have known each other for twenty years.

  他们互相认识有二十年了。(现在完成时)

  He had built a chemistry lab for himself at the age of ten.

  他十岁时就已经为自己建了一个化学实验室。(过去完成时)

  (3)do(does,did)助动词do后只能跟动词原形,与not及其他动词结合构成否定句,或置于主语之前构成疑问句。

  He does not speak English.他不说英语。

  When did he come back?他什么时候回来的?

  (4)will(would),shall(should)will能用于一般将来时的任何人称后;would是will的过去时,能用于过去将来时;两者后面都接动词原形。

  The plane will arrive in ten minutes.飞机十分中后将要到达。

  I was sure we would win.我确信用我们会赢。

  shall与should这两个助动词本身没有词义,shall只能用于一般将来时的第一人称后;should是shall的过去时,只能用于过去将来时的第一人称后;两者后面都接动词原形。

  We shall meet at the school gate tomorrow.我们明天将在校门口见。

  I told them that I should do the work alone.我告诉他们我将独自做那项工作。

  (一)掌握情态动词can,must,need,may等基本句型结构及主要用法

  ①情态动词在英文中是“辅助性”动词,用来表示说话人的语气或情态,包括请求、命令、允诺、可能、需要、敢于、愿望、义务、能力等。情态动词本身有词义,但词义不完全,不能单独用作谓语,没有人称和数的变化,且后面只跟动词原形。

  ②情态动词的种类:

  can could能

  may might可以(或许)

  must must(had to)必须(不得不)

  will would愿意

  shall should应该

  need needed需要

  dare dared敢于

  ③can的用法

  (1)表示体力或脑力方面的“能力”,也能表示根据客观条件能做某事的“能力”。

  The boy can swim very well.

  Who can answer this question?

  (2)表示允许

  The students can leave after the meeting.

  When can I get the news?

  (3)表示推测

  It can be wrong.

  Who can your new teacher next term?

  ④could的用法

  (1)can的过去式,表示过去有能力及过去的可能性。

  They could run very fast when they were young.

  Could you speak English at that time?

  (2)表示客气地请求或委婉地陈述意见。

  Could I borrow your bike?

  Could you listen to me carefully?

  (3)表示惊异、怀疑、不相信等态度

  How could that be?

  She couldn’t know me.

  ⑤must的用法

  (1).表示义务,命令或必要

  You must finish it before 5 o’clock.

  Must I hand it in now?

  (2).表示肯定的推测:一定

  She must be a pretty girl.

  You must be wrong.

  ⑥need的用法588.es

  (1)表示“需要,必须”,主要用于否定句和疑问句中。

  We need to pay more attention.

  Need I call him for you?

  (2)need引导的疑问句,肯定回答时多用must,否定回答时用needn’t。

  Need he come?他必须来吗?

  Yes,he must.是的,必须来。

  No,he needn’t.不,他不必来。

  ⑦may的用法

  (1)表示请求、许可、可以

  May I ask you some questions?

  May we start now?

  (2)表示推测说话人的猜测,认为某一事情“或许”或“可能”发生。

  He may be 25 years old.

  We may come back in three days.

  (3)may用于感叹句中可以表示祝愿或愿望。

  May you success!

  May you have a nice trip!

  ⑧should的用法

  should意思是“应该”,表示劝告或建议(=ought to)

  Who should I meet this afternoon?

  You should pack you bag quickly.

  (二)了解一般现在时、一般过去时、一般将来时三种时态的被动语态的结构形式及其基本用法

  被动语态表示主语是动作的承受者。一般说来,只有需要动作对象的及物动词才有被动语态。汉语往往用“被”、“受”、“给”等词来表示被动意义。被动语态由“助动词be+及物动词的过去分词(p.p.)”构成。被动语态的时态变化只改变be的形式,过去分词部分不变。疑问式和否定式的变化亦如此。

  1.一般现在时的被动语态(am/is/are+done)

  English is spoken by lots of people in the world.世界上的许多人都说英语。

  Class meeting is held every Thursday.每周四都举行班会。

  The classroom is cleaned by the students every day.学生们每天都打扫教室。

  2.一般过去时的被动语态(was/were+done)

  The cup was broken by the boy.杯子被那个男孩打碎了。

  He was saved at last.他最终获救了。

  My bike was stolen.我的自行车被偷了。

  3.一般将来时的被动语态(will/shall be+done;would/should be+done)

  A speech will be given this afternoon.今天下午有一个演讲。

  A new road will be built next year.明年要修一条新马路。

  I think thousands of people will be helped.我认为将有数千人得到帮助。

  (三)了解含有情态动词的被动语态的构成形式及其基本用法

  情态动词的被动语态结构为:情态动词+be+过去分词;其时态及句型的变化仅由情态动词完成,“be+过去分词”部分不变。如:

  Tables can be made of stone.桌子可由石头制造。

  Tables could be made of stone at that time.那时桌子可由石头制造。(一般过去时)

  Can tables be made of stone?桌子能用石头制造吗?(疑问句)

  (四)动词不定式的基本用法

  动词不定式在句子中可充当主语、宾语、表语和宾语补足语和状语(包括目的状语,结果状语和原因状语。)

  1)作主语

  To dance with you makes me happy.和你跳舞令我高兴。

  It is difficult to drive in the mountains.(=To drive in the mountains is difficult.)

  在山里开车很困难。

  2)作宾语

  ①后接不定式作宾语的及物动词多是表示“意愿”、“企图”等的动词,如:

  hope,want,wish,desire,like,decide,try,promise,refuse.

  I want to talk with her.我想和她谈谈。

  She has decided to go.她已决定要走。

  ②在feel,find,think,consider,made等动词后如果是不定式作宾语,而补语是形容词,则通常用it作形式宾语,而把真正的宾语即不定式移至形容词之后。如:

  I find it impossible to forget her.我发现忘掉她是不可能的。

  He thought it necessary to take an umbrella.他认为带把伞是必要的。

  3)作表语

  Her wish is to be a teacher.他的愿望是成为一名教师。

  Your duty is to clean the classroom.你的任务是打扫教室。

  4)作宾语补足语

  He wants me to come earlier.他想要我来得更早些。

  The policeman ordered them to turn around.警察命令他们转过身。

  5)作目的状语:

  She opened the window to let some fresh air in.她打开窗子好让新鲜空气进来。

  I went there to see her yesterday.昨天我去那儿看她了。

  6)作结果状语:

  He is too tired to go any further.他太累了,不能再走了。

  He is not old enough to join the army.他年龄太小,不能参军。

  7)作原因状语:

  不定式跟在表示“喜、怒、哀、乐”的形容词之后,可以表示引起这些情感的原因。

  I’m sorry to trouble you.真抱歉给你带来麻烦。

  I’m glad to see you.见到你真高兴。

  初中英语知识点总结7

  现在进行时,从字面上理解,就是“现在正在进行、发生的动作”,表示动作发生的时间是“现在”,动作目前的状态是“正在进行中”。所谓“正在进行中”,是指在谈到这件事的时候,这个动作还在进行中。至于它是什么时候开始的,什么时候会停下来,不是我们关心的。所以“正在进行时”的事件,可能发生几年了,也可能只有几分钟。仍在进行中这是“正在进行时”的关键所在。它是一件持续进行的事情。

  一、现在进行时的构成

  现在进行时由"be+现在分词(v-ing)"构成。be应为助动词,一定不要漏掉哟!它应与主语的人称和数保持一致,即:I am/he/she/it 包括单数名词和不可数名词用is,you/we/they 包括复数名词用are. 。现在分词变化规则如下:

  1.动词后直接+ ing(例:sleep+ing sleeping)

  2.去掉不发音的e+ing(例:bite-e+ing biting)

  3.重读闭音节,且末尾只有1个辅音字母,双写辅音字母+ing(例: sitting

  sitting, beginning,getting,putting,running,stopping,cutting )

  4.特殊变化:die-dying,lie-lying,tie-tying

  句式构成如下:

  肯定句式:主语+be( am, is, are)+现在分词+其它.

  否定句式:主语+be(am, is, are) +not +现在分词+其它.

  一般疑问句:Be(am, is, are) +主语+现在分词+其它? ,,

  特殊疑问句:疑问词+be(am, is, are)+主语+现在分词+其它?

  二、现在进行时的.应用

  A表示现在( 指说话人说话时) 正在发生的事情。 例:We are waiting for you.

  B. 习惯进行:表示长期的或重复性的动作,说话时动作未必正在进行。 例:Mr. Green is writing another novel.

  (说话时并未在写,只处于写作的状态。) 例:She is learning piano under Mr. Smith.

  C.已经确定或安排好的将来活动。

  Im leaving for a trek in Nepal next week.(已经安排了) were flying to Paris tomorrow.(票已经拿到了)

  在实际运用时,现在进行时常用以下几种情况:

  (1)当句子中有now时,常表示动作正在进行,这时要用现在进行时。如:

  They are playing basketball now.现在他们正在打篮球。

  (2)以look, listen开头的句子,提示我们动作正进行,这时要用现在进行时。如:

  Listen!She is singing an English song.听,她正在唱英语歌。

  (3)表示当前一段时间或现阶段正在进行的动作,且此时有this week, these days等时间状语,这时常用现在进行时。如:

  We are making model planes these days.这些天我们在做飞机模型。

  (4)描述图片中的人物的动作,也为了表达更生动。此时也常用现在进行时。如:

  Look at the picture. The children are flying kites in the park.看这幅图,那些孩子正在公园放风筝。

  常见考法

  对于现在进行时的考查,多以单选或词语运用的形式考查学生在具体语境中灵活运用时态的能力。在考试中,会让大家判断是否该用现在进行时,或填写现在分词,或进行句型转换。

  典型例题1: Listen, who________(sing) in the music room?

  解析:以 listen开头,提示我们动作正进行,这时要用现在进行时。所以应用is singing

  典型例题2:The boys are visiting the history museum。(对划线部分提问)

  解析:对动作提问用What,现在进行时,把are 提到主语前,加doing。

  答案:What are the boys doing?

  误区提醒

  在口语中表示主语计划将要作的动作,用现在进行时表示将来时,这类情况常与come来,go去, leave离开,depart离开,arrive到达,stay逗留,start开始等动词连用。所用的动词必须是动作而不是状态,主语必须是人。

  典型例题:They are (leave)for New York tomorrow.

  解析:题意为“明天他们将要动身前往纽约”。虽然tomorrow 表示“明天”,表达未来,但leave要用现在进行时表示将来时,所以应用leaving 。

  答案:leaving

  初中英语知识点总结8

  01、一般现在时

  概念:经常、反复发生的动作或行为及现在的某种状况。

  时间状语:always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays, etc.

  基本结构:①be动词;②行为动词

  否定形式:①am/is/are+not;②此时态的谓语动词若为行为动词,则在其前加dont,如主语为第三人称单数,则用doesnt,同时还原行为动词。

  一般疑问句:①把be动词放于句首;②用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词。

  02、一般过去时

  概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的'动作、行为。

  时间状语:ago, yesterday, the day before yesterday, last week(year, night, month…), in 1988, just now, at the age of 5, one day, long long ago, once upon a time, etc.

  基本结构:①be动词;②行为动词

  否定形式:①was/were+not;②在行为动词前加didnt,同时还原行为动词。

  一般疑问句:①was或were放于句首;②用助动词do的过去式did提问,同时还原行为动词。

  03、现在进行时

  概念:表示现阶段或说话时正在进行的动作及行为。

  时间状语:now, at this time, these days, etc.

  基本结构:am/is/are+doing

  否定形式:am/is/are+not+doing.

  一般疑问句:把be动词放于句首。

  04、过去进行时

  概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。

  时间状语:at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。

  基本结构:was/were+doing

  否定形式:was/were + not + doing.

  一般疑问句:把was或were放于句首。

  05、现在完成时

  概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。

  时间状语:recently, lately, since…for…,in the past few years, etc.

  基本结构:have/has + done

  否定形式:have/has + not +d one.

  一般疑问句:have或has。

  06、过去完成时

  概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。

  时间状语:before, by the end of last year(term, month…),etc.

  基本结构:had + done.

  否定形式:had + not + done.

  一般疑问句:had放于句首。

  07、一般将来时

  概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。

  时间状语:tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.

  基本结构:①am/is/are/going to + do;②will/shall + do.

  否定形式:①was/were + not; ②在行为动词前加didnt,同时还原行为动词。

  一般疑问句:①be放于句首;②will/shall提到句首。

  08、过去将来时

  概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中。

  时间状语:

  the next day(morning, year…),the following month(week…),etc.

  基本结构:①was/were/going to + do;②would/should + do.

  否定形式:①was/were/not + going to + do;②would/should + not + do.

  一般疑问句:①was或were放于句首;②would/should提到句首。

  初中英语知识点总结9

  句子成分

  1.主语:句子所陈述的对象。

  2.谓语:主语发出的动作。一般是有动作意义的动词。

  3.宾语:分为动词宾语和介词宾语,属于动作的承受者。

  4.系动词:表示状态或状态变化的动词,没有实际的`动作意义。如be,感官系动词(look, sound, smell,

  taste和feel)、保持类系动词(keep, stay和remain)、状态变化类系动词(become、get、turn和go)等。

  5.表语:紧跟系动词后面的成分。

  6.定语:修饰名词或代词的成分。

  7.状语:修饰形容词、副词、动词或句子的成分。

  8.补语:分为宾语补足语和主语补足语。是对宾语和主语的补充说明,与其有主动或被动的逻辑关系。

  例如:You should keep the room clean and tidy.你应该让屋子保持干净整洁。(You是主语,should

  keep是谓语,the room是宾语,clean and tidy是宾语补足语。)

  This kind of food tastes delicious.这种食物吃起来很可口。(This kind of

  food是主语,tastes是系动词,delicious是表语。)

  初中英语知识点总结10

  一,表示并列关系的连词有:

  and,both…and,neither…nor,either…or,not only…but also,as well as

  1.and“和,并且”,连接对等的词句。(在否定句中要用or连接。)

  I like physics and chemistry.我喜欢物理和化学。

  I don’t like physics or chemistry.我不喜欢物理和化学。

  2.both…and“……和……都”

  Both Jim and Mary went to the cinema yesterday.昨天吉姆和玛丽都去看电影了。

  Exercise is good both for body and for mind.运动有益于身心。

  3.neither…nor两者皆不

  He neither smokes nor drinks.他既不抽烟又不喝酒。

  I like neither swimming nor skating.我既不喜欢游泳,又不喜欢溜冰。

  4.either…or不是…就是…,或者…或者….。

  Either you come to the office now,or wait for me at home.

  你要么现在到办公室来,要么就在家等着。

  Either he or I will leave.不是他就是我将要离开。

  5.not only…but(also)不但……而且……(not only…but also中的also可以省略。)

  Not only she but also I am wrong.不但她错了,我也错了。

  He not only made a promise,but kept it.他不仅许诺,而且做到了。

  6.as well as也、又

  We will rescue Henry as well as you.除了你,我们还要营救亨利。

  He likes basketball as well as football.除了足球,他还喜欢篮球。

  二、常用的从属连词:

  (一)引导时间状语从句的连词有:when,while,since,until,after,before,as soon as

  1.when当……时

  When we got there,the meeting had begun.我们到时,会议已经开始了。

  It was raining when she arrived at the station.她到达车站时,正在下雨。588.es

  2.while正当……时,正在……时。(while引导的从句中,谓语动词必须是延续性动词,且常常用进行时。

  Don’t make any noise while others are reading.别人读书时不要制造噪音。

  She sang while she was walking.她边走边唱。

  3.since自从

  It’s just a month since we arrived here.我们到这儿刚好一月了。

  My mother has been ill since I left home.自从我离开家我妈妈就一直生病。

  4.until直到……为止

  Until you told me,I knew nothing at all about it.在我告诉我之前,我对此之外无所知。

  He didn’t appear until the meeting had begun.直到会议开始他才露面。

  5.before在……之前

  after在……之后

  I’ll phone you after I arrive.我到达之后给你打电话。

  Say goodbye before you go.你走之前要说再见。

  6.as soon as一……就

  I’ll visit you as soon as I come back.我一回来就去拜访你。

  Please tell him as soon as you see him.你一看见他就请告诉他。

  (二)引导原因状语从句的连词:because,since,as,for,now that

  1.because因为(because与so不能并用。)

  I can’t believe in him because he isn’t honest.我不能信任他,因为他不诚实。

  She didn’t come because she didn’t know it.她没有来,因为她不知道。

  2.since既然

  Since he says so,it must be true.既然他这么说,那一定是真的.。

  Since you ask,I will tell you.你既然问,我就告诉你。

  3.as因为,由于

  As we are hungry,let’s have supper.由于大家饿了,我们就吃晚饭吧。

  Mother began to worry about my brother as it was getting dark.

  由于天越来越黑,妈妈开始为哥哥着急。

  4.for因为

  We cant go for it is raining.我们不能走,因为正在下雨。

  I enjoyed myself at the party for I knew all the guests well.

  我在晚会上玩得很尽兴,因为所有的个人我都很熟悉。

  5.now that既然

  Now that he is unhappy,let’s leave him alone.既然他不高兴,我们就让他自己呆着吧。

  Now that she feels sorry,please forgive her.既然她很后悔,就请原谅她吧。

  (三)引导结果状语从句:so…that,such…that

  1.so…that如此……以致

  She is so tired that he can’t go any further.她太累了,不能再走了。

  She is so big a cat that she can’t get into the hole.这猫太大了钻不进这洞。

  2.such…that如此……以致

  It’s such a beautiful place that I wouldn’t come back.这地方太美了,令我留恋返。

  It’s such a fine day that many people go to the park for fun.

  天气这么好,许多人都到公园里来玩乐。

  (四)引导目的状语从句的连词:so that,in order that以便

  They hurried so that they can get there on time.他们加快了速度,为的是能够按时到达。

  I hired a boat in order that I can go fishing.为了去钓鱼,我租了条小船。

  (五)引导比较状语从句的连词:than,as…as

  He is taller than his brother.他比他兄弟高。

  She could draw as well as her teacher.她能画得跟她的老师一样好。

  (六)引导让步状语从句的连词:though,although(though与although的用法基本一样)

  Although it rained hard,he still went out.尽管雨下得很大,他还是出去了。

  Even though I have enough time,I don’t want to go there with him.

  尽管我有时间,可我并不想跟他去那。

  初中英语知识点总结11

  宾语从句

  1.宾语从句的含义

  在主句中做宾语的从句叫做宾语从句。

  如:She knew that the teacher had seen the film.她知道这位老师看过这部电影。

  “that the teacher had seen the

  film”做knew的宾语,同时又是由连接词that引导的从句,所以它叫做宾语从句。

  2.宾语从句的分类

  (1)动词宾语从句:顾名思义,它是位于动词后面的宾语从句。

  如:He asked whose handwriting was the best in our class.他问我们班上谁的书法最好。

  (2)介词宾语从句:顾名思义,它是位于介词后面的宾语从句。

  如:I agree with what you said just now.我同意你刚才说的话。

  (3)形容词宾语从句:顾名思义,它是位于形容词后面的`宾语从句。

  如:I am afraid that I will be late.恐怕我要迟到了。

  3.引导名词性从句的连接词

  (1)that:没有含义,在宾语从句中不做成分

  (2)whether/if:表示是否,在宾语从句中不做成分。

  I don t know if /whether he still lives here after so many

  years.我不知道这么多年后,他是否还住在这里。

  (3)连接代词:what, which, who, whom, whose(在宾语从句中做主、宾、表和定语)

  连接副词:where, when, how, why(在宾语从句中做状语)

  The small children don t know what is in their

  stockings.(what在宾语从句中做主语)这些小孩子不知道什么在他们的长筒袜里。

  Could you tell me why you were late for the meeting this

  morning?(why在宾语从句中做原因状语)你能告诉我为什么你今天早上开会迟到吗?

  4.在做宾语从句的题目时应注意两点

  (1)时态:

  ①当主句是现在时态时,宾语从句可以根据需要使用任何时态。

  I don t know when he will come back.我不知道他将何时回来。

  He tells me that his sister came back yesterday.他告诉我他姐姐昨天回来了。

  ②当主句是过去时态时,宾语从句必须是一种过去的时态。

  She asked me if I knew whose pen it was.她问我是否知道这是谁的钢笔。

  He said that he could finish his work before supper.他说他会在晚饭前完成工作。

  ③当表示客观事实或普遍真理的句子做宾语从句时,任何时候都用一般现在时。

  The teacher said that the earth goes round the sun.老师说过地球绕着太阳转。

  (2)语序:任何从句都使用陈述句语序,宾语从句当然也不例外。

  初中英语知识点总结12

  一般过去时并不难,表示过去动作、状态记心间。动词要用过去式,时间状语句末站。否定句很简单,didnt 站在动词原形前,其它部分不要变。一般疑问句也好变,did放在句子前,主语、动原、其它部分依次站。特殊疑问句也简单,疑问词加一般疑问句记心间。最后一条请注意,动词过去式要牢记。

  一、基本结构

  1. 肯定句形式:主语+动词过去式+其他

  否定句形式:①was/were+not; ②在行为动词前加didnt,同时还原行为动词

  一般疑问句:①was/were提到句首; ②Did+主语+do+其他?

  例句She often came to help us in those days. I didnt know you were so busy.

  2. 行为动词的一般过去式。

  A. 规则动词的变化规则:

  1、直接加ed:work—— worked look——looked play——played,

  2、.以e结尾的单词,直接加d:live ——lived hope——hoped use——used,

  3、以辅音字母+y结尾的,变y为i加ed:study—— studied carry——carried

  4、以元音字母+y结尾的,直接加ed:enjoy ——enjoyed

  5、 以重读闭音节结尾的,双写最后的`辅音字母+ed: stop—— stopped

  plan——planned

  B. 规则动词过去式的发音:

  在清辅音后读/t/,在元音和浊辅音后读/d/,在辅音/t/,/d/后读 /id/。

  C. 不规则动词变化需参看不规则动词表逐一熟记。(一般和过去分词一起记忆)。

  二、一般过去时的基本用法:

  1. 通常表示过去发生的而现在已经结束的事件、动作或情况。

  Eg. Sam phoned a moment ago.

  I got up at eight this morning.

  2. 还可以表示刚刚发生的事情而没说明时间。

  Eg. Did the telephone ring?

  Who left the door open?

  3. 也可以表示过去的习惯性动作。

  Eg. I smoked 40 cigarettes a day till I gave up.

  4. 与一般过去时连用的时间状语:

  yesterday, last week/Sunday/year, …ago, just now…

  eg. I met Lily yesterday. I went to Dalian last summer.

  I was a good student 5 years ago. He had dinner just now.

  常见考法

  对于一般过去时的考查,多以单选、句型转换或词语运用的形式考查学生在具体语境中灵活运用时态的能力。在考试中,会让大家判断是否该用一般过去时,或动词过去式的正确变化,或一般过去时的句型构成。

  典型例题1:1. Xiao Lin went fishing this morning.(改为一般疑问句)

  解析:这是一道句型转换题,考查到同学们对一般过去时的句型构成的掌握。一般过去时的一般疑问句句型构成为:Did+主语+do+其他?,即句首加 Did,句中过去式还原。

  答案:Did Xiao Lin go fishing this morning?

  误区提醒

  有些句子,虽然没有表示过去确定时间的状语,但实际上是指过去发生的动作或存在的状态的话,也要用过去时,这一点,我们中国学生往往出错,要特别注意!

  典型例题1:I didnt know you (be)in Paris.

  解析:题干意思是“我不知道你在巴黎”。因为在说话时,我已经知道你在巴黎了。这句话指的是说话之前,所以只能用过去时表示。实际上,这句话暗指:But now I know you are here.

  答案:were

  初中英语知识点总结13

  知识点总结

  在英语中,句子中的谓语动词在人称和单、复数形式上必须和主语保持一致,这就是我们通常说的“主谓一致”。这一点看似简单,但在实际运用中却常常遇到麻烦。一般情况下,主谓之间的一致关系由以下三个原则的支配: 语法一致原则、 意义一致原则和就近原则。

  一、语法一致

  主谓一致的原则是指主语和谓语从语法形式上取得一致:主语是单数形式,谓语也采取单数形式;主语是复数形式,谓语亦采取复数形式.例如:

  He often helps me learn English. (主语是单数形式,谓语也采取单数形式) .

  My friends often help me learn English. (主语是复数形式,谓语也采取复数形式)

  但主语和谓语从语法形式上取得一致的问题远不只上述的那么简单,有许多方面的情况需要去具体地对待:

  1、不定式,动名词,以及从句作主语时应看作单数,谓语动词用单数.

  例如: Reading aloud is helpful to learn English.大声朗读对学习英语是有帮助的。

  What he said has been recorded .他说的话已被录音了.

  2、不定代词one, every, each, everybody, everyone, one of, no one, nothing, nobody, someone, somebody, either, neither, many a 等作主语或是修饰主语时应看作单数,谓语动词用单数.但none 作主语时,谓语动词既可用单数也可用复数,这要取决于说话人的看法。

  例如:Neither of my sisters likes sports .我的妹妹中没人喜欢运动.

  Every boy and girl shows great interest in this book .每个男孩和女孩对这本书都表现出很大的兴趣.

  3、表示国家,机构,事件,作品等名称的专有名词作主语时应看作单数,谓语动词用单数.

  例如: One Thousand And One Nights tells people lots of interesting stories . 《一千零一夜》给人们讲了许多有趣的故事。

  4、 a kind of, the number of等与名词构成名词短语作主语时应看作单数,谓语动词用单数.

  例如: The number of workers in the factory is 400. 这个工厂里工人的数量是400.

  A kind of rose in the garden smells very pleasant.这座花园里有一种玫瑰香气怡人.

  5、由some, several, both, few, many, a number of 等词修饰主语,或是由它们自身作主语时应看作复数,谓语动词用复数.另外,由and连接两个主语时,谓语一般用复数.

  例如: On the seashore, some people are playing volleyball 海边,有些人在打排球。

  Both of us are fond of watching football games .我们俩都喜欢看足球赛.

  A number of will-be graduates are voluntarily going to work in the West of China. 许多即将毕业的'学生打算自愿去中国西部工作.

  6、有些表示数量的百分数,分数等后面加名词或代词作主语时,要根据这个名词或代词来决定其谓语动词的单复数形式.如:a lot of, most of, any of, half of , three fifths of, eighty percent of, some of, none of, the rest of , all of等后接不可数名词,或是单数形式的名词作主语时应看作单数,谓语动词用单数;但如果后接可数名词的复数形式作主语时应看作复数,谓语动词用复数.

  例如: A lot of money in the shop was stolen yesterday. 昨天那家商店丢失了许多钱.

  A lot of students are from England in the school.那个学校里很多学生来自英国。

  二、意义一致

  这一原则是指,从意义着眼来解决主谓一致问题.有时主语形式上为单数,但意义上却是复数,那么谓语依意义也用复数形式;而有时主语形式上为复数,但意义上却是单数,那么谓语依意义亦用单数形式.

  1) 当主语后面接由but, except, besides ,as well as, as much as, including,more than,no less than, rather than, together with等引导的词组时,其谓语动词的单复数形式通常由前面的词来决定。在这样的句子里,这些词所引导的词组不影响主语自身的单,复数形式,它们在句子里其实是状语.

  例如: The teacher, with all his students, is going to have a picnic this weekend.老师打算这个周末与学生们一起去野炊.

  The students, together with their teacher , are going to have a picnic this weekend.学生们打算这个周末与他们的老师一起去野炊.

  我们完全可以将上面句子中的那些词组都分别搬到句首或是放到句末去,因为它们在句子里是状语: The students are going to have a picnic this weekend together with their teacher.

  2) 表示时间,金钱,距离,体积,重量,面积,数字等词语作主语时,,谓语动词常用单数形式。如:

  Eight hours of sleep is enough. 八小时的睡眠足够了。

  Twenty years stands for a long period in ones life. 二十年在人的一生里意味着一个很长的时期.

  3) 形容词前加定冠词即"the + 形容词"作主语时,其意义若是指个人或是抽象概念应看作单数,谓语动词用单数;指一类人则应该看作是复数,那么谓语动词也应该用复数.

  例如: The sick here are very well cared for. 这里的病人都被照顾得很好。

  The true is to be distinguished from the false. 真实与虚假应加以区别。

  4)由and 连接的两个单数名词作主语时,谓语动词一般根据语法一致的原则用复数。

  但如果在意义上指同一个人、同一件事或同一个概念时,谓语动词要用单数形式。

  如:The writer and teacher is coming. 那位作家兼教师来了。(作家和教师指同一个人)

  The writer and the teacher are coming. 作家和老师来了。(作家和老师是两个人)

  5)集体名词作主语时,谓语动词的数取决于主语的意义:主语表示整体时视为单数,谓语动词用单数;主语表示集体中的个体成员时视为复数,谓语动词用复数.这类集体名词常见的有:army, class, club, crowd, family, government, group, people, police, public, team等.

  例如: The family are all fond of football. 那一家人都喜欢足球.

  The family is the tiniest cell of the society. 家庭是社会的最小的细胞.

  6)一些形式为复数,意思为单数的名词,如:trousers, pants, shorts,glasses, 等作主语时,谓语动词用复数.

  如:Her glasses are new. 她的眼镜是新的.

  但当这类名词前有a pair of 修饰时,谓语动词应用单数.

  如: This pair of trousers is made in Hangzhou.

  三、就近原则

  这一原则是指,谓语动词的人称和数常常与最近作主语的词语保持一致.常出现在这类句子中的连词有:or, either… or …, neither… nor … ,not only… but also …等.

  例如: Either I or they are responsible for the result of the matter. 不是我,就是他们要对那件事的结局负责任.

  Neither his family nor he knows anything about it. 他全家人和他都不知道那件事.

  常见考法

  对于主谓一致的考查,通常会以单选的形式出现,多是让我们选择合适的谓语动词。

  典型例题:The factory, including its machines and buildings, __________ burnt last night.

  A. is B. are C. were D. was

  解析:but, except, besides, with, together with, along with, including, as well as, rather than, like等词连接主语时,谓语动词和前面的主语保持一致,本题中就是和The factory保持一致。而这些词所引导的词组不影响主语自身的单,复数形式,它们在句子里其实是状语.

  答案:D

  误区提醒

  主谓一致这一知识点比较琐碎,在运用中常会因为考虑不全面而出错,所以我们必须把每一种用法记住,灵活运用。尤其要注意就近原则、集体名词和百分数,分数短语作主语的情况。

  典型例题:Either Jane or Steven _____ watching TV now.

  A. were B. is C. was D. are

  解析:本题考查的是就近原则。either… or …, neither… nor … ,not only… but also …连接两个主语时,谓语动词的人称和数常常与最近作主语的词语保持一致。本题中就是和Steven保持一致。有now.可知是现在进行时,排除A和C.

  答案:B

  初中英语知识点总结14

  一、陈述句:

  陈述句是用来陈述一个事实或表达说话人看法(包括肯定和否定)的句子。通常用降调,句末用句号“.”。

  Tom has a new car.汤姆有辆新车。

  The flower isn’t beautiful.这花不美。

  二、陈述句否定式的构成

  1.如果肯定陈述句的谓语部分含有助动词、情态动词或连系动词be,则只需在这些动词后加not即可构成否定式。

  He is playing the guitar.他正在弹吉他。(肯定)

  He is not playing the guitar.他不在弹吉他。(否定)

  We can get there before dark.天黑前我们能够到达那里。(肯定)

  We can’t get thee before dark.天黑前我们不能到达那里。(否定)

  2.如果陈述句的谓语动词是实义动词,而其中又没有情态动词或助动词时,则需根据人称和时态在该实义动词前加don’t,doesn’t或didn’t。同时把该实义动词变为原形。

  He plays the violin well.他小提琴拉的很好。(肯定)

  He doesn’t play the violin well.他小提琴拉的不好。(否定)

  She won the game.她赢得了比赛。588.es(肯定)

  She didn’t win the game.她没赢比赛。(否定)

  三、祈使句:

  祈使句是用来表示命令、请求、建议、号召等的句子,谓语动词用原形,句末用感叹号“!”或句号“.”。朗读时一般用降调。

  1.肯定的祈使句:

  (1)祈使句主语是you时,you常省略,但如果要特别强调对方或表达某种强烈的情绪时可以有主语或称呼语。

  Be quiet.请安静。

  You be quiet!你给我安静点!

  (2)“Do+祈使句”表示一种强烈的感情或请求,do起强调作用。

  Do come back at once!务必立即返回!

  Do be careful.务必小心。

  (3)please用在祈使句中可以表示一种客气的语气,但please用在句末时,必须用逗号与其余部分分开。

  Open the window,please.请打开窗户。

  (4)Let引导祈使句时,后面需跟上人称代词或称呼语,人称代词一般只用第一、第三人称。

  Let Jack wait a minute.让杰克等一会。

  Let’s go to school.我们上学去吧。

  (5)在祈使句中,Let’s和Let us是有区别的。Let’s包括说话者,而Let us不包括说话者在内。这点从反意疑问句时可明显看出。

  Let’s go skating,shall we?咱们去溜冰吧,好吗?(表示内部的建议)

  Let us try again,will you?让我们再试一次,好吗?(表示向别人发出请求)

  一、一般疑问句:

  (1)一般疑问句的肯定形式

  一般疑问句一般是指以助动词、情态动词、be动词或have(有)开始,通常要求以yes,或no来回答的疑问句,一般疑问句读时通常用升调。

  Do you know Mr.Smith?你认识史密斯先生吗?

  Can you swim?你会游泳吗?

  (2)一般疑问句的否定结构

  ①在一般疑问句的否定结构中,把副词not放在一般疑问句的主语之后。但如果用not的简略形式-n’t,则须将-n’t与一般疑问句句首的be,have,助动词或情态动词写在一起。在实际运用中,一般都采用简略式。

  ②与汉语不同的是,英语一般疑问句否定结构的答语是否定还是肯定,全由答语的否定或肯定来决定。若答语是肯定的,则用yes加肯定结构;若答语是否定的,则用no加否定结构。

  Aren’t you a football fan?你不是足球迷吗?

  Yes,I am.是的,我是。

  No,I am not.不,我不是。

  Won’t she like it?她会不喜欢吗?

  Yes,she will.是的,她会(喜欢)的。

  No,she won’t.不,她不会(喜欢)的。

  二、特殊疑问句

  用疑问代词疑问形容词或疑问副词引导的疑问句叫特殊疑问句。特殊疑问句不能用yes或no回答,读时用降调。588.es

  常见的疑问代词有what,which,who,whom,whose

  常见的疑问形容词有what,which,whose

  常见的疑问副词有when,where,why,how

  三,选择疑问句:

  选择疑问句是说话者提出两种或两种以上的不同情况,让对方选择回答的疑问句。其结构是“疑问句+选择部分”。选择部分由or连接,or前面的部分读升调,or后面的部分读降调。

  选择疑问句不能用yes或no回答,而必须具体的选择答复。

  Is your bag yellow or black?It’s black.。

  Would you like some tea or coffee?Either will do.。

  Which do you like better,singing or dancing?I like dancing better.

  四,反意疑问句:

  反意疑问句是指在陈述句之后附加一个意思与之相反的简短问句,问对方是否赞同的疑问句。附加问句的否定式必须缩写。

  (1)肯定的陈述句后跟否定的附加问句,否定的陈述句后跟肯定的附加问句。

  I am your teacher,aren’t I?我是你的老师,对吗?

  He didn’t study hard,did he?他学习不努力,对吗?

  (2)如果陈述句中含有否定副词never(从不,决不),hardly(几乎不)或其他表示否定代词或形容词,如nothing,none no one,nobody,neither,few,little等,则附加问句只能用肯定式。如:

  They hardly write to each other,do they?他们几乎不给对方写信,是吗?

  He has found nothing,has he?他什么也没有找到,是吗?

  Few people knew the secret,did they?很少有人知道这个秘密,是吗?

  (3)当反意疑问句是“否定陈述句+肯定附加问句”时,英语与汉语的回答习惯存在差异。英语回答时只看实际情况,若答语的具体内容是肯定的就用“Yes+肯定结构”,答语的具体内容是否定的就用“No+否定结构”,而译成汉语时,则必须把yes译“不是”,把no译成“是的”。

  You won’t be away for long,will you?你不会离开太久,是吗?

  Yes,I will.不,我会离开很久。No,I won’t.是的,我不会离开很久。

  I don’t think she’ll come by bike,will she?我认为她不会骑自行车,会吗?

  Yes,she will.不,她会骑自行车来。No,she won’t.是的,她不会骑自行车来。

  五,掌握由what,how引导的感叹句的构成形式、用法及区别

  感叹句是表示喜、怒、哀、乐以及惊异等感情的句子。句末用感叹号“!”,读时用降调,感叹句往往由what或how引导,what修饰名词,how修饰形容词,副词或动词。

  1.what引导的感叹句:

  (1)what+a/an+形容词+单数可数名词+陈述句(主语+谓语)

  What a beautiful city it is!多么美丽的一个城市啊!

  What an interesting story she told!她讲了一个多么有趣的故事啊!

  (2)what+形容词+复数可数名词/不可数名词+陈述句(主语+谓语)

  What expensive watches they are!多贵的手表啊!

  What terrible weather it is!多么恶劣的天气啊!

  2.How引导的'感叹句:

  (1)How+形容词/副词+陈述句(主语+谓语)

  How cold it is!多冷啊!

  How hard he works!他工作多么努力啊!

  (2)How+陈述句(主语+谓语)

  How he loves his son!他多么爱他的儿子啊!

  How I miss you!我多想你啊!

  (3)How+形容词+a/an+单数可数名词+陈述句(主语+谓语)

  How tall a tree it is!多么高的一棵树啊!

  How they cried!他们哭得多伤心啊!

  (一)掌握时间和条件状语从句中的时态与主句时态的搭配

  (1)时间状语从句:

  引导时间状语从句的从属连词有when(当……时候),while(当,在……过程中),since(自从……以来),before(在……之前),after(在……之后),tell/until(直到……时),as soon as(一……就)。如果主句为一般将来时,则时间状语从句只能用一般现在时表示将来的意义。

  He was reading the newspaper when I came in.当我进来时,他正在读报纸。

  Keep an eye on my cat while I am away.我不在时,请照看一下我的猫。

  Don’t talk so loud while others are studying.别人学习时不要大声说话。

  It has been five years since she went abroad.她出国已有五年了。

  He died before his son came back.他在他儿子回来之前就去世了。

  I’ll show him around our factory as soon as he arrives.他一到达我就领他参观我们的工厂。

  I’ll tell him about it as soon as I see him.我一见到他就告诉他。

  (2)条件状语从句:引导条件状语从句的从属连词是if(如果)。如果主句是一般将来时,条件状语从句只能用一般现在时。

  If you stay at home,I’ll go.如果你呆在家里,我就走。

  If we don’t get up early,we won’t catch the train.如果我们不早起,我们就赶不上火车。

  (二)掌握宾语从句的语序及其时态与主句时态的呼应

  (1)宾语从句的语序:

  宾语从句的语序一律使用陈述语序。尤其是在把两个独立的句子连成一个含有宾语从句的复合句时必须特别注意:

  当宾语从句原为陈述句时,用that引导,语序不变。(注意时态的一致)

  Tom isn’t a good student.The teacher told us…→

  The teacher told us Tom wasn’t a good student.老师告诉我们汤姆不是一个好学生。

  He has given up smoking.She said…→

  She said he had given up smoking.她说他已经戒烟了。

  当宾语从句原为一般疑问句时,用whether或if连接,语序变为陈述语序。

  Is Jim a doctor?I wonder…→

  I wonder whether Jim is a doctor.我想知道吉姆是否是个医生。

  Does she dance well?Can you tell me…→

  Can you tell me if she dances well?你能告诉我她舞跳的是否好吗?

  当宾语从句原为特殊疑问句时,特殊疑问词即为连接词,语序变为陈述语序。

  She asked me where you were going.她问我你去哪里。

  She wondered what he wanted to do.她不知道他想干什么。

  (2)宾语从句的时态:

  宾语从句的时态原则上应与主句的时态保持一致。

  如果主句是现在时态(包括一般现在时,现在进行时和现在完成时),宾语从句可以是实际需要的任何时态。

  I am wondering whether he has come or not.我不知道他是否已经来了。(现在完成时)

  Please tell me when we’ll have the meeting.请告诉我什么时候开会。(一般将来时)

  I don’t know who they are talking about.我不知道他们正在谈论谁。(现在进行时)

  I have heard the window was broken by John.我已经听说窗户是被约翰打破的。

  如果主句是过去的时态(包括一般过去时,过去进行时),宾语从句必须选用过去的某一时态(即一般过去时,过去将来时,过去进行时或过去完成时等)

  He said he would kill her.他说他会杀了她。(过去将来时)

  She told us Lucy had returned home.她告诉我们露茜已经回家去了。(过去完成时)

  Mary was wondering who could answer the question.

  玛丽想知道谁能回答这一问题。(一般过去时)

  I didn’t told them where you were having the meeting.

  我没有告诉他们你们正在哪儿开会。(过去进行时)

  如果宾语从句表示的是科学其理、客观事实或格言警句等,则不管这句是何种时态,从句一律用一般现在时。

  Granny told me that the earth moves around the sun.奶奶告诉我地球围绕太阳转。

  She said a friend in need is a friend indeed.她说患难朋友才是真正的朋友。

  (三)了解定语从句的构成基本形式及基本用法

  (1)定语在句中是用来修饰名词或代词的,一般由形容词或与之相当的其它词类来充当。如果起修饰作用的是一个句子的时候,就叫作定语从句。但定语从句不是象形容词那样放于名词前,而是放在名词之后。它所修饰的名词又被叫作先行词。588.es

  (2)定语从句的引导词有关系代词:that,which,who,whom,whose和关系副词when,where,why,how。

  1.that的先行词可以是人也可以是物。

  A plane is a machine that can fly.飞机是一种会飞的机器。

  I like the book(that)you lent me yesterday.我喜欢你昨天借给我的那本书。

  2.which的先行词只能是物。

  The book shop is a shop which sells book.书店是销售书的商店。

  The book(which)I read last night was wonderful.我昨晚看的那本书很精彩。

  3.who在定语从句中作主语;whom是who的宾格,在定语从句中作宾语;而whose则是形容词性物主代词,在从句中作定语。

  The man who visited our school yesterday is an American friend

  昨天参观我们学校的人是一位美国朋友。

  Whos that woman(whom)you just talked to?

  你刚才与之谈话的那个女人是谁?

  This is our classmate,Mary,whose home is not far from our school.

  这是我们的同学玛丽,她的家离我们学校不远。

  4.关系代词whom,which在定语从句中作介词宾语时,可以和介词一起放于先行词与定语从句之间,有时为了关系紧凑也可以将whom与which与先行词紧挨着书写,而将介词置于定语从句的后面,如:

  That was the room in which we had lived for ten years.那是我们曾经住了十年的房子。

  =That was the room which we had lived in for ten years.

  (3)除关系代词外,还有关系副词when,where,why等也能引导定语从句。

  1.when用来指时间,在定语从句中作时间状语。

  I never forget the day when I first came to the Great Wall

  我永远也不会忘记我第一次到达长城的那天。

  2.where则指地点,在定语从句中作地点状语。

  This is the house where the old man lives.这就是那位老人住的房子。

  3.why用来指原因,作原因状语。

  That’s the reason why he didn’t come yesterday.那就是他昨天为什么没有来的原因。

  初中英语知识点总结15

  1、连词:连词由充当宾语从句的句子语气来确定。如果为陈述语气,则用that(可省略);如果为特殊疑问语气,则用适当的特殊疑问词;如果为一般疑问语气,则用if/whether(是否)。

  例如:

  He says(that)he lives in beijing.

  I don′t know where he works.

  Could you tell me if/whether it snows in winter in australia?

  注意:在宾语从句中,if后面不能直接跟or not,而whether后面则可以。

  例如:

  Can you tell me whether or not the train has left.

  2、时态

  例如:

  Do you know who give us a talk?

  He asked if it was five o′clock.

  注意:宾语从句如果表达客观事实、真理,则不论主句为何种时态,从句一般用一般现在时。

  例如:

  The teacher told us(that)the earth moves around the sun.

  3、语序:宾语从句一律要用陈述语序。

  例如:

  Li mei asked me where mary was.

  4、连接代词:what可以表示“…的话”,“…的事”的意思。

  例如:

  I can not understand what he said.

  5、标点符号:带有宾语从句的.复合句用什么标点符号,要依据主句的句式来确定。

  例如:

  He asked me how many students there were in our class.

  Do you know if he will go to the cinema tomorrow?

  6、在think/suppose/expect等动词之后的宾语从句中,如果从句谓语是否定含义,则不用否定形式,而将主句谓语动词变为否定形式。

  例如:

  I don′t think you are right.我认为你不对。

  7、宾语从句和连接代词在句中作宾语时,从句中应用及物动词;若从句中的动词是不及物动词,应在其后加介词或副词。

  例如:

  Please tell me what place he lives in.

  8、如果宾语从句是用and连接的并列句,两个宾语从句前都要使用连接词;如果连接词都是that,第一个可以省略,第二个则不能。

  例如:

  I heard(that)their team won and that the teacher was please.

  初中英语知识点总结16

  形容词/副词的比较级和最高级的构成规则

  (1)单音节词和少数以-er,-ow结尾的`双音节单词,比较级在后面加-er,最高级在后面加-est。

  ①单音节单词:small→smaller→smallest short→shorter→shortest

  tall→taller→tallest great→greater→greatest

  ②少数以-er,-ow结尾的双音节单词:clever→cleverer→cleverest narrow→narrower→narrowest

  (2)以不发音e结尾的单音节单词,比较级在原形后加-r,最高级在原级后加-st。

  large→larger→largest nice→nicer→nicest able→abler→ablest

  (3)以一个辅音字母结尾的闭音节(即:辅音+元音+辅音)单词中,先双写末尾的辅音字母,比较级加-er,最高级加-est。

  big→bigger→biggest hot→hotter→hottest fat→fatter→fattest

  (4)以“辅音字母+y”结尾的双音节词,把y改为i,比较级加-er,最高级加-est。

  easy→easier→easiest heavy→heavier→heaviest

  busy→busier→busiest happy→happier→happiest

  (5)其他双音节词和多音节词,比较级在前面加more,最高级在前面加most。

  beautiful→more beautiful→most beautiful

  different→more different→most different

  easily→more easily→most easily

  (6)有少数形容词、副词的比较级和最高级是不规则的,必须熟记。

  good→better→best well→better→best

  bad→worse→worst ill→worse→worst

  old→older/elder→oldest/eldest

  many/much→more→most little→less→least

  far →further/farther→ furthest/farthest

  初中英语知识点总结17

  知识点总结

  一、 形容词是用来描写或修饰名词或代词,说明人或事物的特征或性质的, 形容词往往被译成“···的”。用法如下:

  1.做定语。e.g. This is an old house.

  2.做表语。e.g.I am sorry to hear that.

  3.做宾语不足语。e.g.She made her mother angry.

  4.形容词在句中的位置。 形容词做定语修饰名词时,放在名词前面。修饰不定代词时要放在不定代词之后。

  e.g.She is a clever girl.

  I saw something white in the water.

  5.某些形容词前加上定冠词the,可以代表一类人或东西,可以用作主语,宾语等。做主语时当复数看待。

  e.g.The old are well looked after.

  We all love the beautiful.

  二、 形容词的等级变化

  在英语中形容词有原级,比较级和最高级之分。原级就是它们的原形,比较级和最高级有规则变化和不规则变化。

  (一)形容词的比较级和最高级变化

  1.规则变化

  单音节词和部分双音节词

  (1)一般在词尾加er,est. hard---harder---hardest great---greater---greatest

  (2)以字母e结尾的加r,st. nice---nicer----nicest able---abler----ablest

  (3)重读闭音节中末尾只有一个辅音字母时,双写辅音字母,再加er,est.

  big---bigger---biggest (另外还有fat, red,hot,wet,sad,mad ,thin )

  (4) 以 -y 结尾,但 -y 前是辅音字母的形容词的比较级和最高级是把 -y 去掉,加 上 -ier 和-est 构成. happy (原形) happier (比较级) happiest (最高级)

  (5)双音节和多音节形容词的比较级和最高级需用more 和 most 加在形容词前面来构成。

  例如: beautiful (原级) difficult (原级)

  more beautiful (比较级) more difficult (比较级)

  most beautiful (最高级) most difficult (最高级)

  2、 常用的不规则变化的形容词的比较级和最高级:

  原级 比较级 最高级

  good better best

  many more most

  much more most

  bad worse worst

  little less least

  ill worse worst

  far farther(further) farthest(furthest)

  三、形容词比较等级的用法:

  1、形容词的比较级用于两个人或事物的比较,其结构形式如下:

  主语+谓语(系动词)+ 形容词比较级+than+ 对比成分。例如:Our teacher is taller than we are. 我们老师的个子比我们的高。

  比较级前面可以用even, still, yet , any, much, rather, a little, a lot, by far等修饰语用以加强语气或表示比较程度。

  2、形容词最高级的用法: 形容词最高级用于两个以上的人和物进行比较,形容词最高级 前必须加the,后面多用of……, in……短语表示范围:其结构形式为:

  主语+谓语(系动词)+the+形容词最高级+名词+表示范围的短语或从句。

  She is the best student in her class. 她是班上最好的学生。

  He is the tallest of the three boys.他是三个男孩中最高的一个。

  四、 有关比较等级的特殊句型及应注意的问题

  1. “比较级 + and + 比较级”或“more and more / less and less + 原级”结构表示“越来越……”的意思,与这类结构搭配的常用动词有grow, get, become等。

  She felt herself becoming more and more nervous.她觉得自己越来越紧张。

  its getting colder and colder.天气越来越冷。

  2. the + 比较级 + of the two + 名词。表示“两个中较···的一个

  Jane is the taller of the two children in our family. Jane是我家两个孩子中较高的。

  3. “the + 比较级……,the + 比较级……”,表示“越……,越……”。

  The more magazines you sell, the more money you will get.你卖的'杂志越多,你挣的钱就越多。

  4.“...as + 形容词 + as...”或“...as + 形容词 + 名词 + as...”构成,表示同等比较。

  常见考法

  对于形容词的考查,多以单选或词语运用的形式考查学生在具体语境中灵活运用形容词的能力,尤其是在各种比较句型中灵活运用形容词。

  例如: Which month is____, June, July or August?

  A. hot B. hotter C. hottest D. the hottest

  解析:三者及以上比较用最高级形式,形容词最高级前必须加the,所以应用the hottest

  误区提醒

  在分辨比较等级时,对于易混淆形容词、副词,要谨慎对待。

  典型例题:Dont just believe the ad.That kind of camera is it says.

  A.as good as B.not so good as C.as well as D.not as well as

  解析:根据第二句的谓语动词be可以确定空白处缺少表语。此处的表语应由形容词充当,而 well表示“好”是副词,因此排除 C和D;根据第一句的意思我们可以知道说话者的观点,故此排除A.

  答案:B

  初中英语知识点总结18

  1. …as soon as…一…就…

  Mary一见到她弟弟就会告诉他这个消息。

  Mary will tell her brother this message as soon as he sees him.

  我们一到那儿就去爬山了。

  We went climbing as soon as we arrived / got / reached there.

  2. as + adj./adv.+ as… …和…一样(的/地)…

  not as(so)…as… …不如/不比… ….

  李雷和吉母跑得一样快。

  Li Lei runs as fast as Jim.

  约翰和你的年龄不一样大。

  John is not as (so) old as you.

  这部电视剧不如那部有趣。(TV series)

  This TV series is not as (so) interesting as that one.

  3. as +adj./adv.+ as possible尽可能…的/地…

  我们在英语课上应该尽可能地多讲英语。

  We should speak English as much as possible in English class.

  你能不能尽可能慢一些读这个句子?

  Can you read the sentence as slowly as possible?

  4. ask sb for sth向某人要求某物

  当你迷路时,你可以向警察需求帮助。

  When you get lost, you can ask the police for help.

  一些学生经常向父母要钱去玩电子游戏。(video games)

  Some students often ask their parents for money to play video games.

  他向父母要一辆自行车作为生日礼物。

  He asked his parents for a bicycle as his birthday present.

  5. ask/ tell sb. (how) to do sth询问/告诉某人如何做某事

  许多学生经常问老师如何才能学好英语。

  Many students often ask their teachers how to learn English well.

  让我来告诉你如何发邮件。

  Let me tell you how to send an e-mail.

  6. ask / tell /want sb (not) to do sth.要求(让)/告诉/想要某人做(不做)某事

  护士告诉我服用此药需一日三次,饭后服用。

  The nurse told me to take this medicine three times a day after meals.

  老师经常告诉我要更加努力地学习。

  The teacher often tells me to study harder.

  他让我不要再犯同样的错误。

  He asked me not to make the same mistake again.

  7. make/ let /have sb. (not) do sth使/让某人做(不做)某事

  他使得孩子哭得很厉害。

  He made the child cry loudly.

  昨天他使我在影院门口等了很长时间。

  He made me wait for long (for a long time) at the gate of the cinema yesterday.

  直到我们做完了作业,妈妈才让我们去玩球。

  Mother didn’t let us play football until we finished our homework.

  那个老板迫使工人们每天工作10小时。

  That boss made the workers work (for) ten hours a day.

  8. be afraid of doing / to do/that害怕/不敢做某事

  这个小女孩不敢晚上出去。

  The little girl is afraid to go out in the evening / at night.

  他害怕独自呆在家里。

  He is afraid of staying at home alone.

  许多人担心他们会失去工作。(be afraid that)

  Many people are afraid that they will lose their jobs.

  9. be busy with sth. / doing sth.忙于某事/做某事

  现在学生们忙于准备考试。

  Now students are busy preparing for the exams.

  昨天下午妈妈都在忙着做家务。(两种)

  Mother was busy with housework yesterday afternoon.

  Mother was busy doing housework yesterday afternoon.

  10. be famous / late /ready / sorry for sth.

  因…而著名/ (做)…迟到了/晚了/为…准备/为…而抱歉

  如果你不快点,你就会上班迟到。

  If you don’t hurry, you will be late for work.

  杭州以丝绸而出名。

  Hangzhou is famous for silk.

  我们已经准备好迎接奥运会了。

  We have been ready for the Olympic Games.

  我为我的错误而抱歉。

  I am sorry for my mistake.

  11. be glad that很高兴…

  我很高兴你能来参加晚会。

  I am very glad that you can come to the evening party.

  老师很高兴我们班得了第一名。

  The teacher was very glad that our class was the first / won the first prize.

  12. give/ show/ bring/ lend/ send/ pass/ tell / offer sth to sb

  buy/give/ show/ send/ pass/ bring/ lend/ tell sb. sth

  给某人某物;给某人看某物;给某人带来某物;借给某人某物;送给某人某物;递给某人某物;把某事告诉给某人;主动给某人某物

  请递给我一张纸。

  Please pass me a piece of paper.

  =Please pass a piece of paper to me.

  请把你的画给我看看。

  Please show me your picture.

  =Please show your picture to me

  他借给我一辆自行车。

  He lent me a bike.

  =He lent a bike to me.

  别忘了下次来给我带点儿钱。

  Don’t forget to bring me some money when you come here next time.

  = Don’t forget to bring some money to me when you come here next time.

  13. either…or…或…或…,不是…就是…,要么…要么…

  不是你,就是他是对的。

  Either you or he is right. V.就近原则

  每个周末,我们要么去公园,要么呆在家里。

  We either go to a park or stay at home every weekend. (at/on weekends.)

  要了解世界,人们既可以读报纸,也可以看电视。

  People can either read newspapers or watch TV to get to know the world.

  14. neither…nor…既不…也不…,两者都不…

  我和他都没有读过这本书。

  Neither he nor I have ever read this book. V.就近原则

  这个女孩已经十岁了,但她既不会读书,也不会写字。

  The girl is already ten, but she can neither read nor write.

  15. enjoy/ finish/mind/ keep/ practise/go on doing sth.

  享受做…之乐;做完某事;介意做某事;一直做某事;练习做某事;继续做…

  我们应该经常练习讲英语。

  We should often practice speaking English.

  我奶奶一直坚持早晨锻炼身体已经有十年了。

  My grandma has kept doing exercise in the morning for ten years.

  16. find /think / feel + it + adj. (for sb.)to do sth.发现/认为/觉得做某事如何

  越来越多的人发现吃太多汉堡包不利于健康。

  More and more people have found it unhealthy to eat too many hamburgers.

  很多大学生发现在大学中交友很难。

  A lot of students have found it very hard to make friends at college.

  17. get + adj.的比较级+ and + adj.的比较级变得越来越…

  地球变得越来越暖和了。

  It gets warmer and warmer on the earth.

  春天到了,天气变得越来越热了。

  Spring is coming and it’s getting warmer and warmer.

  北京变得越来越美丽了。

  Beijing is becoming more and more beautiful.

  18. The + adj./adv.的比较级,the + adj./adv.的比较级。越...,就越…。

  天气越冷,人们穿得就越多。

  The colder it is, the more people wear.

  我们种的`树越多,空气就会越干净。

  The more trees we plant, the cleaner the air will be.

  英语,我们练习得越多,说得就越好。

  The more we practice speaking English, the better we can speak.

  你越强健,患感冒的机会就越少。

  The stronger you are, the less chance you will catch a cold.

  19. It is +序数词+ adj./adv.的最高级+ n.

  黄河是中国第二长的河流。

  The Yellow River is the second longest river in China.

  他是我们班跑得第二快的。

  He runs the second fastest in our class.

  20. one of the +最高级+ n. (pl.)是最…之一者

  姚明是世界上最好的篮球运动员之一。

  Yao Ming is one of the best basketball players in the world.

  三亚是中国最美丽的城市之一。

  Sanya is one of the most beautiful cities in China.

  初中英语知识点总结19

  一、陈述句

  陈述句是陈述一个事实或者说话人的看法的,陈述句分为肯定句和否定句。陈述句句末用句号,朗读时用降调。

  1、肯定句的基本结构为:主+谓 He went to London to pass his holiday.

  2、否定句的表达方式

  (1)主语+be+not+表语 He is not a teacher.

  (2)主语+助动词/情态动词+not+谓语动词+其他 I dont think you are right.

  He hasnt yet paid the money. (他尚未付钱。)

  (3)使用“not”以外的否定词:

  (a)副词:never, seldom, hardly, little, neither等 。She seldom comes to see me. (她不常来看我。)

  (b)形容词:no, few, little等 He has few friends in Hong Kong. (他在香港几乎没有朋友。)

  (c)代词:nothing, nobody, none等。 I found nobody about computer. (在那栋房子里我没看到任何人。)

  二、疑问句

  疑问句的主要交际功能是提出问题,询问情况。分为一般疑问句、选择疑问句、特殊疑问句和反意疑问句。

  1、一般疑问句通常用来询问一件事情是否属实。答句通常是"yes或no"。

  句型一:Be +主语+ …? Are these books on the desk? 这些书在桌子上吗?

  句型二:Do / Does / Did + 主语 +谓语+…? Do you like English? 你喜欢英语吗?

  句型三:情态动词 + 主语 + 谓语 +…?

  Must I finish my homework now? 我必须现在完成我的家庭作业吗?

  句型四:Have / Has + 主语 + 过去分词+…?

  Have you heard from him? 你收到他的来信吗?

  另外,还有以be动词、助动词或情态动词的否定缩写形式开头的一般疑问句,这种句子一般表示请求、惊讶和对事物的看法等,回答时所用的yes和no表达的意思和汉语的习惯不同。例如; --Isnt he tall?难道他不高吗?

  -- Yes,he is.不,他很高。

  2、特殊疑问句以疑问词开头,对句中某一成分提问的句子叫特殊疑问句。常用的疑问词有:what 、who 、whose 、which、 when、 where、 how 、why等。例如:

  who is singing in the room?

  what class are you in﹖

  3、选择疑问句提出两个或两个以上可能的答案供对方选择。选择疑问句的两种或两种以上的情况用or 连接,不能用yes或no回答,而是就其选择内容直接回答。这类疑问句有两种形式:

  一种是:一般疑问句+or+被选择部分?, 这一类选择疑问句通常都是在前一个供选择的答案用低升调,后一个用降调;如果有两个以上供选择的答案,则在最后一个用降调,其余都用低升调。例如: Would you like a gin,or a whisky,or a `beer? 你是要喝杜松子酒,还是威士忌酒,还是啤酒?

  另一种是:特殊疑问句+被选择部分(A)+or+被选择部分(B)?,也是在语调上有所区别。例如: Which vase shall I use, the short one or the tall one ?

  4、反意疑问句又叫附加疑问句,是指当提问的人对前面所叙述的事实不敢肯定,而需要向对方加以证实时所提出的问句。其结构为:前一部分是一个陈述句,后一部分是一个简单的问句。完成后一部分简单问句时,要根据前面陈述句的动词时态和人称来选择适当的助动词进行提问,前后两部分的人称和动词时态要保持一致。如果前一部分用肯定式,后一部分一般用否定式;反之,前一部分为否定式,后一部分要用肯定式,即“前肯定后否定,前否定后肯定”。 例如:They work hard, don’t they?

  She was ill yesterday, wasn’t she?

  They havent been in beijing for three years,have they?

  .反义疑问句的回答用yes, no, 但是,当陈述部分是否定形式时,回答要按事实。如:

  They don’t work hard, do they? 他们不太努力工作,是吗?

  Yes, they do. 不,他们工作努力。/No, they don’t. 对, 他们工作不努力。

  注意:

  1)当陈述句的主语是everyone, everybody, someone, somebody时,简短问句中的主语通常用they。如果陈述句的`主语是非人称的复合词,如everything, something, anything, 则简短问句中相应的人称代词是单数的中性词it。后面的疑问句应表示为:

  I am a student, aren’t I

  Everyone is in the classroom, aren’t they?

  Everything begins to grow in spring, doesn’t it?

  Nobody will go, will they?

  2)当陈述部分是I think/believe/ expect/ suppose/imagine 加从句时,疑问句应和从句的人称时态保持一致。 I think chickens can swim, can’t they?

  3)当陈述部分是祈使句时,一般情况下用will you 或 wont you。

  Give me a hand,will you?

  4)以Lets开头的祈使句,疑问句必须用shall we;只有以Let usLet me开头的祈使句,问句才用will you。

  5)There be 句型中,反义疑问部分必须为be 动词 + there.

  6)当陈述部分有never,seldom, hardly,few,little,barely, nothing 等否定词时,后面的疑问句则必须用肯定式。

  常见考法

  对于陈述句和疑问句的考查,常会以单选,完形填空或句子填空的形式出现。考查知识点往往集中在反意疑问句的构成与回答、选择疑问句或陈述句与疑问句的转换方面。

  典型例题:I dont think he is bright, ?

  A is he B isnt he C do I D dont I

  解析:本题考查反意疑问句的构成。当陈述部分是I think 加从句时,疑问句应和从句的人称时态保持一致。所以排除C和D;主句部分dont表明是否定句,所以后面应用肯定形式。

  答案:A

  误区提醒

  对于反意疑问句的回答,一定要根据事实来回答,尤其是“前否定,后肯定”的反意疑问句的回答,更是我们容易出错的地方,一定要注意哦!

  典型例题:——Youve never seen dinosaur eggs, have you?

  ——_________. How I wish to visit the Dinosaur World.

  A Yes, I have B No, I havent C No, I have D Yes, I havent

  解析:本题考查反意疑问句的回答。根据答语“我多么希望去参观恐龙世界”可知他没去过恐龙世界,没见过恐龙蛋,根据“Yes+肯定事实”和“No+否定事实”的原则,可以得出答案。

  答案:B

  初中英语知识点总结20

  一、a number of ,the number of

  a number of 意思是“许多”,相当于a lot of ; the number of意思是“……的数目,……的数量”,当它作主语时,谓语动词用单数形式。

  A number of students like playing computer games.

  许多学生喜欢玩电脑游戏。

  The number of the students is about 1500 in our school.

  我们学校学生的`人数大约是1500。

  二、基数词变序数词助记歌

  基变序,有规律,末尾加上th;一、二、三特殊记,八加h ,九去e ,ve要用f替;以e结尾变ie,后跟th莫忘记。要想表示几十几,只变个位就可以。

  特殊变化:one—first ,two—second ,three—third ,five—fifth ,

  nine—ninth ,twelve—twelfth ,forty—fortieth ,

  eight-nine—eighty-ninth

  三、概数(略数)表达法

  数词+hundred/thousand/million/billion+名词复数

  hundreds/thousands/millions/billions of+名词复数

  例1

  1. __people go swimming in summer in Dalian.

  A、Thousands B、Thousand of C、Thousands of D、Thousand

  2. __the students will take part in this English speech contest.

  A. Two hundred of B. Two hundreds of C. Hundreds of D. Hundred of

  四、of sb.与for sb.的区别

  (1)of sb.“对于(某人)”,用于It is +adj. +of sb. to do sth.句型中,形容词为clever, kind, nice等描述人物性格特征的词,of后的人物与形容词有主表关系。

  (2)for sb.“对于(某人)”,用于It is +adj. +for sb. to do sth.句型中, 形容词为easy, important等不描述人物性格特征的词,for后的人物与形容词没有主表关系。

  五、不能同时出现在一个句子中的连词

  1、because(因为),so(所以)不能同时出现在一个句子里,只能用其一。

  Because he was tired, he couldn’t walk there.

  =He was tired ,so he couldn’t walk there.

  因为他累了,所以他不能走到那儿了。

  2、(al)thouthg(虽然),but (但是)不能同时出现在一个句子里,只能用其一。但thouthg和yet可以同时出现在一个句子里(yet用作副词)

  Thought he was tired, he still worked hard.

  =He was tired, but he still worked hard.

  虽然他很累,但他仍然努力工作。

  六、副词的比较级

  1、形容词与副词的区别 (有be用形,有形用be;有动用副,有副用动)

  ⑴在句子中形容词一般处于名词之前或be动词之后

  ⑵副词在句子中最常见的是处于实义动词之后

  2、副词比较级的变化规则基本与形容词比较级相同 (不规则变化:well-better, far-farther)

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