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1、状语从句考点导航1掌握九种状语从句的用法（即时间状语从句、地点状语从句、原因状语从句、条件状语从句、目的状语从句、结果状语从句、比较状语从句、方式状语从句和让步状语从句）2状语从句中的紧缩形式重点扫描种类连接词注意点时间状语when, whenever, while, as, before, after, since, until, till, by the time, as soon as, hardlywhen, no soonerthan, the moment, the minute, the instant, immediately, directly, instantly主句表示将
2、来意义时，从句须用一般现在时；while引导的从句中动词一般是延续性的；until用在肯定句中主句动词是延续性的，而否定句中主句动词为短暂性的。地点状语where, wherever原因状语because, as, since, now thatbecause语气最强，since较弱，表示大家都明了的原因，as又次之。条件状语if, unless, once, in case, as long as, on condition that, suppose/ supposing, provided / providing 从句中动词时态不可用将来时，常用一般时代替。目的状语so that, in
3、 order that, for fear thatso that和in order that后常接may, should, could, would等情态动词。结果状语sothat, suchthat在非正式文体中有时that可以省略。比较状语than, asas, not so/asas, the morethe more方式状语as if, as though, asas if 和as though引导的从句一般用虚拟语气。让步状语as, though, although, even if, even though, no matter what, whatever, no matter
4、 who, whoever, no matter which, whichever, no matter how, however, no matter when, wheneveras在让步状语从句中常用倒装形式；although和though用正常语序，可和yet连用，但不可和but连用。关于状语从句的几点注意：1when可用作并列连词，意为“在那时，在这时”，相当于and at this/ that time。常用于下列句式： 1) Somebody was doing when 2) Somebody was about to do / going to do / on the poi
5、nt of doing when 3) Somebody had just done when2when还可表示原因，意为“既然”。如： It was foolish of you to take a taxi when you could easily walk there in five minutes.3while 可作为并列连词，意为“而，却”，表示对比转折。4while还可引导让步状语从句，相当于though / although 引导的让步状语从句。5no sooner than和hardly/ scarcely when 表示“一就”，在此结构中主句常用过去完成时，than和wh
6、en 引导的句子谓语动词用一般过去时。当no sooner和hardly/ scarcely提到句首时，应用倒装语序。6every time, each time, next time, the first time ,the instant等名词短语用来引导时间状语从句时前不可加介词。同时，immediately , directly, instantly等副词也可以引导时间状语从句。7在时间状语从句、条件状语从句和让步状语从句中，当从句的主语和主句的主语一致并且含有be动词时，常把从句的主语和be动词省略。 While (I was) walking down the street, I
7、came across an old friend of mine. He looked everywhere as if (he was) in search of something.8几个相似句式的区别： 1) It was / will be + 一段时间 + before 从句. (多久之后将) 2) It is / has been +一段时间 + since从句. （表示的时间从since从句的动作完成或状态结束时算起） 3) It was / will be + 点时间 + when从句 (此句中when引导时间状语从句，表示“当时候”)走进高考20101. Tim is in
8、 good shape physically he doesnt get much exercise. （湖南） A. if B. even though C. unless D. as long as2. The school rules state that no child shall be allowed out of the school during the day, _ accompanied by an adult. （山东） A. once B. when C. if D. unless3. you may have, you should gather your coura
9、ge to face the challenge. （上海） A. However a serious problem B. What a serious problemC. However serious a problem D. What serious a problem4.Because of the heavy traffic，it was already time for lunch break she got to her office.（四川） A. since B. that C. when D. until 5. John thinks it wont be long he
10、 is ready for his new job. （陕西） A. when B. after C. before D. since6. Today, we will begin _we stopped yesterday so that no point will be left out. （重庆）A. whenB. whereC. how D. what7 The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out to greet her. （福建）高考资源网A. b
11、eforeB. untilC. as D. since高考资源网8. our manager objects to Toms joining the club, we shall accept him as a member. （上海）A. Until B. Unless C. If D. After9. The engineers are so busy that they have zero time for outdoor sports activities, _they have the interest. （安徽）A. wherever B. whenever C. even if
12、D. as if10. Just use this room for the time being, and well offer you a larger one _it becomes available.A. as soon as B. unless C. as far as D. until11 Our holiday cost a lot of money. Did it? Well, that doesnt matter_ you enjoyed yourselves. （江西）A .as long as B. unless C. as soon as D. though12. M
13、ary made coffee _ her guests were finishing their meal . （全国）A. so that B. although C. while D. as if 13. The little boy wont go to sleep _ his mother tells him a story.A. or B. unless C. but D. whether 14. The old man asked Lucy to move to another chair _ he wanted to sit next to his wife. （辽宁）A. a
14、lthough B. unless C. because D. if15.Its no use having ideas only. Dont worry. Peter can show you _to turn an idea into an act. （辽宁）A. how B. who C. what D. where16. they decide which college to go to, students should research the admission procedures. （北京） A. As B. While C. Until D. Once走进高考201117. Id like to arrive 20 minutes early _ I can have time for a c
