作者：丁楠
一、more than超过，不仅仅
【考点说明】该句型表数目上比......多，程度上比......深。
He is more than fifty. 他五十多岁了。
This film is more than a film, and it's also a good material for education. 这场电影不仅仅是一场电影，它还是一个好的教育材料。
【知识串联】 1. no more than仅仅，含有嫌少之意；并不比......多，和......一样少。
He has little knowledge. His education was no more than one year. 他知识贫乏，所受的教育仅有一年。
I can understand no more than you. 我懂的并不比你多。
2. not more than不超过。
He is not more than thirty. 他不超过三十岁。
二、be able to能够
【考点说明】该句型往往强调经过克服困难之后终于能做某事，带有强烈的感情色彩，可用于各种时态。
After ten years of war, people were able to enjoy peace. 十年战争之后，人们终于能够享受到和平了。
After eight years of hard work, he was able to pay off all his debts. 八年艰苦劳动之后，他终于还清了所有的债款。
I'll be able to write articles in English next year. 明年我就能用英语写文章了。
【知识串联】can也可以表示能够，但没有be able to那么强烈的感情色彩，它只有一般现在时和一般过去时。
I can drive a bus now, but I couldn't ten years ago. 我现在会开车，但十年前不会。
三、be used for用于
【考点说明】该句型表使用目的，后面常接动名词。
This machine can be used for producing electricity. 这台机器可以用来发电。
A knife can be used for cutting things. 小刀可以用来切东西。
【知识串联】be used as是作为......使用，表示某物可作为另一东西。be used by 意思是被...... 使用， 后面接动作的执行者。
This room can be used as a reading room. 这个房间可以用作阅览室。
English is used by travellers and business people all over the world. 世界各地的旅游者和商人都使用英语。
四、That is why ... 这就是......的原因。
【考点说明】句中why引导表语从句，表原因。
I didn't catch the first bus, that was why I came late. 我没有赶上第一班公共汽车，那就是我来迟的原因。
He gave her a good beating, that was why she was crying sadly. 他狠狠地打了她，这就是她悲哀哭泣的原因。
五、How much is ...？......多少钱？
【考点说明】该句型为询问价格用语。
How much is your new dress? 你的新礼服花了多少钱？
How much is this bike? 这辆自行车多少钱？
【知识串联】What does ... cost? How much does ... cost? How much is ... worth? What price is ... ? What's the price of ... ？均可用来询问价格，表示......多少钱？
What does this dictionary cost? = How much does this dictionary cost? = How much is this dictionary worth? = What price is this dictionary? =What's the price of this dictionary? 这本词典多少钱？