作者：丁楠
一、 To do sth. is very rewarding. 做某事是很值得的。
【考点说明】 句中To do sth.为不定式作主语。
To spend some time in English is rewarding.花点时间学英语是值得的。
To argue with her is not very rewarding.跟她争执不是很值得。
【知识串联】 Doing sth. is very rewarding. 做某事是很值得的，句中Doing sth.为动名词作主语。
Working hard at maths is very rewarding. 努力学数学是值得的。
二、 have ... as ... 把......看成......
【考点说明】 该句型不可用于进行时态，也不可用于被动语态。
I have you as one of my best friends.我把你看成我最好的朋友之一。
Don't have me as your enemy.别把我当成你的敌人。
【知识串联】 look on / upon ... as, regard ... as, treat ... as均可表示把......看成......，这些句型可用于被动语态，但很少用于进行时态。
They are looked on / upon as the most promising table-tennis players.他们被认为是最有希望的乒乓球运动员。
The American people regard Lincoln as one of the greatest presidents in history. 美国人民把林肯看成历史上最伟大的总统之一。
三、 leave sb. / sth. doing使某人 / 物继续处于做某事的状态之中。
【考点说明】 句中leave为及物动词，表使......处于某种状态，doing为现在分词作宾语补足语。
The bad news left him feeling sad.这个坏消息使他很难过。
What he said left me thinking deeply.他的话使我陷入了沉思。
【知识串联】 leave后面也可接形容词、副词、过去分词作宾语补足语，表某人 / 物所处的一种状态。
His illness left him very weak.他的疾病使他很虚弱。
What has left you away for so long? 什么事情使你离开了这么长时间？
The moving story left her unmoved.这个令人激动的故事竟然使她无动于衷。
四、 with + n. + prep.
【考点说明】 该句型常作状语，表示一种伴随状况，也可作后置定语，修饰某一名词或代词。
He came into the classroom with a book in his hand. 他手里拿着一本书走进了教室。
He fell asleep with his book on his knee. 书还放在膝盖上他就睡着了。
Do you know the boy with a pair of glasses on his nose? 你认识那个戴眼镜的男孩吗？
He climbed to the top of the tree with many beautiful flowers on it.他爬上了那棵开着许多美丽花朵的树的顶上。
【知识串联】 with + n. + adj. / adv. / doing /done也可作伴随状语或后置定语。
He looked at the picture with his eyes wide open. 他眼睛睁得大大地看这幅画。
Do you know the girl with a T-shirt on? 你认识那个穿T恤衫的女孩吗？
I like the room with the window facing the sea. 我喜欢窗户朝海的那个房间。
I like to sleep with the windows shut.我喜欢关着窗户睡觉。