1、I.完成句子1. (在使用之前在使用之前)，the machine must be checked.2. Every possible means has been used to (防防止河流受到污染止河流受到污染).3. (必要的时候必要的时候)，we will take on more workers.4. We should keep a healthy lifestyle and (如果可如果可能的话能的话)，have a check-up once a year.Before being usedprevent the rivers from being polluted When
2、 necessary if possible将下列句子改为省略句.1. The reform of College Entrance Examination will begin with English, whose result is not as satisfying as it was expected. .2. A person,when he is challenged, can often do what is normally beyond his ability. .The reform of College Entrance Exami-nation will begin
3、with English, whoseresult is not as satisfying as expected. A person, when challenged, can oftendo what is normally beyond his ability.3. Though they are warned of danger, sightseers have been flocking to the site where the terrorist Bin Laden lived. .4. The other day, while she was walking her dog
4、in the park, she noticed an advertisement for photography lessos. .Thoughwarned of danger, sightseershave been flocking to the site where theterrorist Bin Laden lived The other day, while walking her dog in the park, she noticed an advertisement for photography lessons.经典例句经典例句If its convenient for
5、you, lets meet at 8: 30 outside the school gate. If not, let me know what time suits you best.如果你方便的话，我们就八点半在校门外见吧。如果你不方便，如果你方便的话，我们就八点半在校门外见吧。如果你不方便，,请告知我你什么时候有空。请告知我你什么时候有空。(2017.全国全国I )Once, while working overnight at a store, he let a homeless man sleep in his truck.有一次，他在一家商店通宵工作时，他让一个无家可归的人睡在他
6、有一次，他在一家商店通宵工作时，他让一个无家可归的人睡在他的卡车里。的卡车里。Had the governments and scientists not worked together, AIDS related deaths would not have fallen since their highest in 2005.如果政府和科学家不共同努力，艾滋病相关的死亡人数就不会从如果政府和科学家不共同努力，艾滋病相关的死亡人数就不会从2005年的最高点下降。年的最高点下降。简单句中的省略简单句中的省略根据表达的需要根据表达的需要,简单句中常省略主语、谓语或谓语的一部分、宾语、简单句中常省略
7、主语、谓语或谓语的一部分、宾语、表语等表语等 ,有时甚至同时省略若干成分。有时甚至同时省略若干成分。(You come): This way, please, 请这边走。请这边走。Are you feeling better now?你现在好些了吗你现在好些了吗?-(I am feeling) Much better (now). 好多了。好多了。并列句中的省略并列句中的省略在并列句中在并列句中,后面的分句可以省略与前面的分句中相同的成分。后面的分句可以省略与前面的分句中相同的成分。Tom must have been playing basketball, whileMary (must h
8、ave been) doing her homework.汤姆一定是一直在打篮球，而玛丽一定是一直汤姆一定是一直在打篮球，而玛丽一定是一直在做作业。在做作业。状语从句中的省略状语从句中的省略 在由在由when、while、 if、 as if、though (although)、as、whether、once等连词等连词引导的状语从句中，常常省略与主句相同的主语和引导的状语从句中，常常省略与主句相同的主语和be动词或作主语的代词动词或作主语的代词it以以及及be动词。动词。(2017北京北京) We know that, while awake, freshmemories are recor
9、ded by reinforcing connectionsbetween brain cells.我们都知道，当我们都知道，当(我们我们)醒着的时候，我们通过加强脑细胞之间的联系来记录新醒着的时候，我们通过加强脑细胞之间的联系来记录新的记忆。的记忆。(1) this year, the museum will be open to the public next year.如果今年竣工了，这座博物馆将会在明年向公众开放。如果今年竣工了，这座博物馆将会在明年向公众开放。(2)Unless youd better not refer to the dictionary.除非有必要，你最好不要查词
10、典。除非有必要，你最好不要查词典。If (it is) completed (it is) necessary动词不定式中的省略动词不定式中的省略在同一句话或联系紧密的对话里，常把不定式在同一句话或联系紧密的对话里，常把不定式to后的内容中相同的后的内容中相同的部分省略，只保留部分省略，只保留to。-I will be away on a business trip. Would you mind looking after my cat?我将会出差。请帮忙照看我的猫好吗我将会出差。请帮忙照看我的猫好吗?-I would be happy to.没关系没关系,我非常乐意。我非常乐意。虚拟条件句
11、中的省略虚拟条件句中的省略在虚拟条件句中，如含有在虚拟条件句中，如含有had、were, should 等时，等时，if可省略，句子可省略，句子倒装。倒装。(3) tomorrow, you would have to put off your tour.如果明天如果明天 下雨，你只能推迟行程下雨，你只能推迟行程Should it rain宾语从句中的省略宾语从句中的省略在宾语从句中，连词在宾语从句中，连词that一般可以省略。但在由一般可以省略。但在由that引导的两个或引导的两个或两个以上的并列的宾语从句中，只有第一个两个以上的并列的宾语从句中，只有第一个that可以省略。可以省略。He
12、told me he was ill and that he couldnt go towork the next day.他告诉我他病了他告诉我他病了,第二天无法上班。第二天无法上班。由由which、when、where、how 和和why引导的宾语从句，可以全部或引导的宾语从句，可以全部或部分省略其后的内容。部分省略其后的内容。I know that the famous star will come to our city but I dont know when (the famnous star will come to our city).我只知道这位明星将我只知道这位明星将会来我
13、们的城市，但我不知道他会来我们的城市，但我不知道他/她什么时间来。她什么时间来。 省略句口诀省略句口诀回答问题要简洁回答问题要简洁,并列重复须省略。并列重复须省略。祈使主语必省略，祈使主语必省略，比较比较than后须省略。后须省略。宾从表从宾从表从that省路，省路，主从主从that勿省略。勿省略。前后出现同一词前后出现同一词,惯用习语常省略。惯用习语常省略。(1) This woman works well, but that one( work well).并列复合句中并列复合句中,某些某些 可以省略，以避免重复。可以省略，以避免重复。(2)- Can Emily do this work
14、?- I think so./ I think not.用用 、 或其他方式可省略上文或向句中的一部分或整个或其他方式可省略上文或向句中的一部分或整个句子。句子。(3)If you do not go,neither shallI (go).以以so、nor、neither. no more开头的分句开头的分句,句子常出现倒装或句子常出现倒装或 。仔细观察下列句子中的省略现象并归纳用法仔细观察下列句子中的省略现象并归纳用法相同成分相同成分sonot省略省略(4) When ( water is) pure,water is a colorless liquid.(5)When (they ar
15、e) ripe, these apples are sweet.在由在由when、while, if, as if、though, although,月月as、 until、onice、whether、unless、 where 等连词等连词(短语短语)连接的连接的 中，常省中，常省略跟主句相同的略跟主句相同的 .(6)Answer these questions, if (it is) possible, without referring to the book. 如果状语从句的主语和谓语部分是如果状语从句的主语和谓语部分是itis / was时时,it is/ was也可以省略。也可以省
16、略。(7)The reason why I left the company is (that) the pay is very low.当当that引导较短的引导较短的 或宾语从句时或宾语从句时,that一般可以省略。一般可以省略。状语从句状语从句主语和主语和be动词动词表语从句表语从句(8)That is the naughty boy (whom/ that) we talked about last week.在限制性定语从句中可省略作在限制性定语从句中可省略作 的关系代词的关系代词whom、which、that。(9)Had Thomas Edison (= If Thomas Ed
17、ison had)saved his money, he would have died a wealthy man.如果如果if引导的虚拟条件句中的谓语部分有引导的虚拟条件句中的谓语部分有should、were或助动词或助动词had时，可将这些词提到主语前面，省略时，可将这些词提到主语前面，省略_。(10)It was suggested that the meeting ( should) be put off until the next week.虚拟语气中虚拟语气中 通常可以省略。通常可以省略。宾语宾语ifshould将下列句子变为省略句。将下列句子变为省略句。1. Generall
18、y speaking, when it is taken accrding to the direcionsr the drug has no side effect .- Generally speaking, according to the directions, the drug has no side effect.2. -You havent lost the ticket, have you? - I hope I havent lost it, I know its not easy to get another one at the moment.-You havent lo
19、st the ticket, have you?- I know its not easy to get another one at the moment.when takenI hope not3.-I was wondering if we could go skiing on theweekend. -It sounds good. -I was wondering if we could go skiing on the weekend. - .4.-Have you got any particular plans for the coming holiday? -Yes,if i
20、t is possible,Im going to visit some homes for orphans in the city. -Have you got any particular plans for the coming holiday? -Yes, Im going to visit some homs for orphns in the city.Sounds goodif possibleI wonder why you cant do it as you have been told. Its the third time you have done so.- I wonder why you cant do it .Its the third time you have done so.as told
