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1、状语从句的省略 一：状语从句中的省略省略句的规则1. 当从句的主语和主句的主语一致(或者从句的主语为it)2. 从句谓语中包含be动词如：be doing,be done, be to do, be +adj在此种情况下可以省去从句的主语和be动词保留be之后的部分，被保留部分常为现在分词、过去分词、不定式、形容词等。1. Dont speak until（you are）spoken to . 2. Ill buy a TV set if （it is ）necessary. 3. While（ I was ）walking walking alone in the street, I he
2、ard my name called. 4.Tom raised his hand as if (he was ) to say something. 二：常见的几种状语从句的省略1. when，while，as, until引导的时间状语从句的省略 while(they are)visiting the citythey reeeived a warm welcom when(he was)asked why he was late，he kept silent注意After finishing his homework,he went home happily. Before being
3、repaired, the TV set needs a careful examination. 2. if，unless，once引导的条件状语从句的省略 Onee(it is)begunit must be done well Unless（you are invited) to speak, you should remain silent at the conference. Correct mistakes, if any. 3. though，although,even if,even though引导的让步状语从句的省略 Though lacking money, his pa
4、rents managed to send him to university. 4. as though，as if，as引导的方式状语从句的省略 He shook his head as if (he was）to say: “Dont trust her”. She left the room hurriedly as if( she was) angry. He stared at the girl as if (he was) seeing her for the first time. You should finish the homework as (you are)requi
5、red.5. than引导的比较状语从句的省略 They sent us much more materials than required. 1. _ (在北京的时候), I paid a visit to the Summer Palace. 2. _(当是个年轻人的时候), Abraham Lincoln was a storekeeper and a postmaster. 3.He has no money_(要是有的话), he will give us. 4._(除非修理), the machine is of no use. 5. _(要是给更多的关注), The boy co
6、uld have turned out better. 6. A girl stood at the gate of the school as if _ _(跟老师讲话). 7.这次展览比预料的有趣. 8.她张开嘴好象要大哭起来. 9.除非邀请,否则我不会去参加这次晚会. 10.明天早点起来,要是不起来的话,你就赶不上第一班车了. 11当我在做作业时,我听到有人喊救命. 12. 他篮球打得即使没你好,也起码一样好.1.When _ , the museum will open to the public next year . (complete) 2.The flowers his fri
7、end gave him will die unless _every day. (water)3.The boss, not the workers should be responsible for the accident. They just carried out the order as_(tell4. When _what they needed most, the kids said they wanted to feel important and loved.( ask)5.One day while _(work) at the cash register in the
8、gift shop,I saw an elderly couple.6.When_(finish),the knot looks identical from both the front and back.7.They promise to take action,_needed, to maintain financial stability in the euro area as a whole.8.The building was still shaking while I_(walk) along the road.9.Friendship is like money: easier
9、 made than _ .(keep) 10.When I was at your age my father told me that I should go and work wherever _ most. (need)二since，before，after引导的状语从句有时可以变成介词短语或分词短语。如：They had not met any more since leaving（=since they left）school. Having finished（After he had finished）middle school，she entered Beijing Unive
10、rsity. 原因状语从句如果主从句主语一致，也可以将从句省略为分词短语，介词短语或独立结构。如：Being（=As he is）the oldest，Bill looks after his little sisters. Because of smoking（=Because he smokes）too much，Linda doesnt look healthy.so that，in order that引导的目的状语从句，若主从句主语一致，可以用动词不定式短语so as to或in order to代替。如：I left early so as to（=so that I could）
11、catch the first bus. so that，sothat引导的结果或程度状语从句如果主从句主语一致，可以用“enough + 不定式”或“tooto”结构代替。如：Tom studied hard enough to pass（=Tom studied hard so that he passed）the examination. She was too tired to（so tired that she couldnt）go any farther.if引导的条件状语从句，常可省去从句中的主语和系动词，转换为介词短语、不定式短语、分词短语或独立结构。如：If（it is）po
12、ssible，I will help you. With her help（=If I had help from her），I could do the experiment.as，than引导的比较状语从句中，与主句相同的部分可以省略。如：He is a head taller than I（am tall）.When _for his views about his teaching job, Philip said he found it very interesting and rewarding. A. asking B. asked C. having asked D. to be asked Film has a much shorter history, especially when _such art form as music and painting
