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1、省略句定义：为了使语言简洁或避免重复，要省略句中的一个或几个成分，这种语法现象称之为省略。1， 状语从句的省略在when, while, whenever, till, as soon as, if, unless, as if, though 等引导的状语从句中，其实是：包括时间，让步，方式等一些状语从句中，若从句主语和主句主语相同，或者是it时，且从句的主语为be动词时，则从句中的主语和be动词常全部被省略。If _(heat), water will boil .When _(walk) the dog , you were careless and it got loose .常用的一
2、些短语：1, if possible , when/ if necessary, as as possible, as please (随便)I will do what I can _(help) you when necessary.If necessary , I will write him a letter .2, if so (如果是这样)，if ever (如果曾经发生过)，if any(如果有些)，if not (如果不)， even so （即便如此）I will go to the party. If not, I will let you know.I do not li
3、ke reading popular novels. If any, I can read it.It is likely to rain tomorrow. If so, I will stay at home surfing the Internet.3, 在as, than, however，whatever, no matter what 等引导的从句中，常省略某些成分。After two hours she became quieter (than she had been). )2， 虚拟语气中的省略： 1），常省略if，而将had，were, should 提前，构成部分倒装。
4、_ he _(take) my advice, he would have succeeded. 2),在suggest动词串中，应用虚拟语气虚拟语气（should +动词原形），should 可省略。 It suggested that we (should ) go to see a film.3， 在定语从句和名词性从句中的省略。 1），在限定性定语从句中，常将在从句中做宾语或状语的关系词who, whom, that省略。The girl _ the teacher spoke to is my sister.I dont like the way _she speaks to her
5、 mother . 2), 在know, think, consider等动词后所接的宾语从句中，连词that可以省略，若连接的是两个宾语从句，只有第一个 that可以省略，其余的不可以省略。 He said (that) the text was very important and that we should learn it by heart. 5, 动词不定式的省略。 1），使役动词let, make, have, 及感官动词see, watch, hear,等后面作宾语补足语的不定式要省去to,但是被动语态要加上to I saw the boy fall from the tree
6、. =The boy was seen to fall from the tree. The boy wanted to play football in the street, but his mother told him_.A not B not to C not to do D not to do it2), 有时候为了避免重复，与前文所表达的内容相同的不定式to后面的内容要省略，而只是保持不定式的符号to。 Could you go shopping with me？ I am glad to.3), 不定式作某些动词的宾语时，可省略不定式内容，只保留不定式to, 这类动词包括有li
7、ke, love, hope, wish, expect, refuse, mean, try, agree等 You can do it if you mean to.注意：省略的不定式的内容若有作助动词用的have 或be的任何形式时，to 后面的have 或be 要保留。 He did not come, but he ought _A .to B to have C D to do 4), 两个或者两个以上的动词不定式并列在一起由and /or 连接时，第一个不定式待to, 后面的不定式可省略去to，但是表示对比时则不省略to。 Her job is to take care of t
8、he children and (to) wash clothes. It is better to laugh than to cry.6, 介词的省略。 1）， 一些与动词，名词，或形容词一起搭配的介词常省略，而保留其后面的动名词，常见的句型有： have difficulty /trouble (in) doing sth, be busy (in) doing sth, stop / prevent sb (from ) doing sth, waste time (in) doing sth 2) 表示时间的介词at, on 和in 用在next, last, this, these
9、, yesterday, tomorrow, one, any, every, each, some等词之前， 一般可以省略。 We go to school every day except (on) Sunday。 In this morning I do morning exercises as usual . (改错）7，在口语中常常出现的省略情况：How come？ 怎么样会这样呢？表示惊讶。 How so? 为什么？What for? 为什么呢？ 要求解释原因。why not? 为什么不呢？表示对意见的赞同。 what？什么？什么事情呢？对对方的话没有听明白时的交际用语。so wh
10、at? 那又怎么样？ Ricks parents are a little strange, I think. How so? Would you like to go out for a picnic with us? Why not?8, 用so，not 代替上文提到过的一部分或整个句子 Is he coming back tonight? I think so. She must be busy now? If so, she can not go with us. Is she feeling better today? I am afraid not.这种用法常见的有: Why so
11、? Is that so? He said so?注意：肯定式用so代替上文的语义，但否定式用“I dont suppose/ believe / think / guess so”。 而hope, be afraid, be sure则用“I hope / am afraid / am sure not”。10 特殊短语中的省略Have nothing to do but do Have no choice but to do Do all / everything what sb can / could (do) to do sth Do as possible as sb can (do
12、) to do sth At present I have nothing to do but _A to wait B wait C waiting D waited We will do everything we _him when he is in danger .A can do B can to do C can doing D can done 省略同步练习：1 _with the size of the whole earth, the biggest ocean does not seem big at all. (2004湖北高考) A. Compare B. When c
13、omparing C. Comparing D. When compared 2 Thats an unpleasant thing to say about your father after _ hes done for you. (2004高考) A. something B. anything C. all D. that 3 A computer does only what thinking people _. A. have it do B. have it done C. have done it D. having it done .4 - Would you like to
14、 go to the Great Theatre with me tonight. - _. A.Yes, I would like to go to the Great Theater with you tonight . B. Id love to, but I have an exam tomorrow. C. No, I wouldnt D. Thats all right 5 - You havent lost the ticket, have you ? - _. I know its not easy to get another one at the moment. A.I hope not B. Yes, I have C. I hope so D. Yes, Im afraid so 6 _ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge. A. Were B. Should C. Would D. Will 7 - Where did you see him last night? -It was in the hotel _ he stayed. A. where B. that C. which D. /
