人教版版高中英语选修七重点语法汇总

选修7重点语法汇总Unit1一. 动词不定式的形式e.g. He appears to be very happy.T o catch the train, we’d better hurry to the station by taxi.It happened to be raining when we got there.I’m sorry to have lost your key.He is said to have studied abroad.These books are to be given out to the students.This novel has been translated into many languages.二. 动词不定式的用法1.作主语e.g. To know oneself is difficult.在很多情况下，我们通常用it作形式主语：e.g. It is impossible to learn a foreign language without making painstaking efforts.2.作表语e.g. His wish is to become an astronaut.3.作宾语e.g. Father likes to listen to music in silence.He had no choice but to sit there as usual.John was happy to be given the job.She is hard to get along with.在feel, find, think, consider, make等动词后，如果宾语带有宾语补足语时，常用it 作形式宾语e.g. I found it impossible to work out the problem without a computer.可接不定时作宾语的动词有：aim appear agree arrange ask decide bother care choose come dare demand desire determine expect elect endeavor hope fail happen help hesitate learnmean manage offer ought plan prepare pretend promise refuse seem tendwait wish refuse attempt continue4.作宾语补足语e.g. I heard them sing yesterday.She asked me to answer the phone in her absence.注意：hope, demand, suggest后不能接不定式作宾语补足语。

5.作定语e.g. The next train to arrive was from New York.On Sundays, he always has a lot of letters to write.6.作状语e.g. I’m saving up to buy a computer.He got to the station only to find the train had gone.不定式表示结果常见于下列句型。

1) so ... as to do Would you be so kind as to lend me your bicycle 把你的自行车借给我好吗？2) such ... as to do We are not such fools as to believe him. 我们还没蠢到竟会相信他。

3) enough… to do He did n't run fast enough to catch the train.他跑得不够快, 没赶上火车。

4) only to do He lifted a rock only to drop it on his own feet. 他搬起石头砸自己的脚。

5) too ... to do His eyesight is too poor to read such small letters. 她的视力太差了，不能看这么小的字。

注意: too...to...结构中的形容词如果是eager, pleased, happy, ready等，动词不定式不表示结果，也没有否定的意思。

The boy was too eager to get a geography book. 那个男孩非常急切地想要得到一本地理书。

He is too anxious to know the examination results. 他很急切地想知道考试结果。

三. 不定式的几种常见结构1.不定式的复合结构e.g. This box is too heavy for the little boy to carry.2.疑问词+不定式结构e.g. I don’t know whether to go to the meeting or not.3.with/without+名词+不定式结构e.g. With so much work to do, I’m not able to go to the cinema.4.用作独立成分的不定式e.g. To be frank, I don’t agree with what you said.可做插入语的还有：to tell you the truth 说老实话to be frank 坦率地说to begin with 首先to make a long story short 长话短说to be exact 精确地说to say nothing of 姑且不说to be sure 诚然，固然to do him justice 说句对他公道的话so to speak 可以这么说5.用主动形式表示被动含义e.g. Do you have anything to say on this question?The book is difficult to understand.There is nothing to worry about.高中阶段常见带介词的to短语归纳：be/get/become used to 习惯于be given to 沉溺于be related to 与…有关系be addicted to 沉溺于；对…上瘾be opposed to 反对devote oneself to献身于；专心于get down to 着手做lead to 导致object to反对；不喜欢；不赞成put one’s mind to全神贯注于give rise to 引起look forward to 盼望pay attention to 注意stick to 坚持make contributions to对…作贡献Unit2一. 含义与构成1. 被动语态表示句中的主语接受谓语动作，也就是说，主语是谓语动作的承受者。

谓语动词用作被动语态的句子叫做被动句。

2. 构成：be + 过去分词(be有时可用become 或get代替), be随着主语的人称、数、时态和语气的不同而变化。

3. 被动语态的各种时态形式有：一般时态：be + 过去分词English is spoken in many countries.Romeo and Juliet was written by Shakespeare.Many believe that one day the earth will be destroyed if people do not learn to live in peace.进行时态：be + being + 过去分词His plan is being carried out successfully.The new curtains were being hung when the visitors showed up.The car will be being cleaned by my brother.完成时态：have + been + 过去分词I’ve been robbed.The outcome of the election was announced before all of the votes had been counted. Everything will have been done by the end of this month.二. 用法1. 强调动作的承受者：Frank was hit by a car.A new idea has been suggested.2. 说话者不知道动作的执行者，或者认为没有必要指出：This bridge was built in 1700.The house is being repaired.3. 说话者希望所说的内容显得更加客观，避免就一些自己不太肯定的事表态：此类通常为表示\"据说\"或\"相信\" 的词组，基本上由believe, consider, declare, expect, feel , report, say, see, suppose, think, understand等组成，如：It is said that…据说；It is reported that… 据报道；It is believed that…大家相信；It is hoped that…大家希望；It is well known that… 众所周知It is said that Japan’s industrial progress after the war was very remarkable.Unit3一. 含义与构成1、v-ing形式的种类功用和各种形式：V-ing 包括动名词和现在分词两种，分别可作：主语、宾语、表语; （动名词）定语、状语、宾/主语补足语(现在分词)注意：其否定形式是在其前边加：not/never.其各种形式如下表：2. V-ing形式的被动式用法及种类当v-in g与它的逻辑主语构成被动关系时，要用其被动式, v-ing的被动式有两种：一般被动式：being done；完成被动式：having been done；V-ing形式的被动式包括动名词被动式和现在分词的被动式两种。