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1、 状语从句主要用来修饰主句或主句的谓 语。一般可分为八大类，分别表示时间 、地点、原因、目的、结果、条件、让 步、比较。尽管种类较多，但由于状语 从句与汉语结构和用法相似，所以理解 和掌握它并不难。状语从句的关键是要 掌握引导不同状语从句的常用连接词和 特殊的连接词即考点。 时间状语从句关联词 as /when / while ;after ;before ; since ; till / until whenever ; no sooner than / hardly when 副词immediately ; 名词短语the moment ; the minute ; the second
2、; each (every )time ;the day (year ) ; next time ; the first (second /last ) time ; by the time 条件状语从句if ; unless ; as(so ) long as ; 原因状语从句because ; as ; since ; now (that ) 结果状语从句so (such ) that . 目的状语从句so that ; in order that ; 让步状语从句though ; although ; as ; however ; no matter .; 疑问词+ever； 比较状语从
3、句than ; as(so ). as ; the more .the more 地点状语从句where wherever常用引导词：_,_,_,_ _ _._,_,_,_,_,_.特殊引导词： I didnt realize how special my mother was_ I became an adult._ John was watching TV, his wife was cooking. 3.No sooner had I arrived home _ it began to rain.when as while as soon as , while before after
4、 since till untilthe minute, the moment, the day， immediately , no sooner than, hardly when, scarcely when1) when，while，as的区别： 三者均可表示“当的时候”，如果主句表示的是短暂的动作， 而从句表示的是一段时间，三者可通用。 as和when都可与终止性动词连用， while只能与延续性动词连 用。如： It was snowing _ we got to the airport当我们到达机场时 ，天正下着雪。（不能用 while） as强调主句与从句表示的动作同时发生；wh
5、ile强调主句表示的 动作持续于while所指的整个时间内；when可指主、从句所述动作 同时或先后发生。如： He sang as he went along他边走边唱。 Please write_ I read我读的时候，请写下来。 _ he reached home，he had a little rest回到家后，他休 息了一会儿。 常用引导词：_ ,特殊引导词：要点：引导条件状语从句的连词有if（如果）、unless（除非）等， unless在意义上相当于ifnot。条件状语从句也像时间状语从 句一样，如果主句用将来时，从句要用现在时代替将来时。如： You will fail_ y
6、ou study hard（You will fail if you dont study hard）除非你努力学习，否则你会失败。 if unlessas/so long as, Well start our project _ the president agrees.You will certainly succeed _ _ _ you keep on trying.常用引导词：_,_ 特殊引导词：as(同级比较), than(不同程度的比较)the more the more ; A is to B what /as X is to Y; no more than; She is_
7、bad-tempered _ her mother.The house is three times_ big _ ours._ more you exercise, _ healthier you will be.He spoke _ fast that I couldnt follow him他讲得太快，我跟 不上。 He told us _funny stories that we all laughed 他给我们讲了那么多有趣的故事，我们全都哈哈大笑。 常用引导词：_ _ ,_ _. so that such thatHe got up _ early that he caught t
8、he first bus. Its _ a good chance that we must not miss it.常用引导词：_特殊引导词：_ _ _Where there is a will，there is a way _. Wherever you go，I go too 无论你去哪里，我都去。 where wherever, anywhere, everywhereAir will be heavily polluted where there are factories. Wherever you go, you should work hard.比较: because常回答wh
9、y引导的疑问句，该从句一般位于主句后；since 比as正式，两者不回答why引导的问句，而且其从句一般放在句首。如： Why cant I go？为什么我不能去？ _ youre too young因为你年纪太小了。 As（_）you are not feeling well，youd better stay at home 既然你不太舒服，还是留在家里的好。 常用引导词：_,_,_because since as常用引导词：_ _,_ _ _ so that in order thatThe boss asked the secretary to hurry up with the let
10、ters _ _ he could sign them. The teacher raised his voice _ _ _ the students in the back could hear more clearly. 常用引导词：_ ,_,_ _ ,_ _ 特殊引导词：though although even if even thoughno matter _its hard work，I enjoy it尽管这工作很辛苦，我还是很喜欢。 _ _ how hard the work was，he never gave it up不管工作多么艰难，他都从不放弃。 _ _ _ hard
11、he tried, she could not change her mind. He wont listen _ you may say.【考点1】区分when，if引导宾语从句和状语从句的不同： when引导时间状语从句意为“当时候”，引导宾语从句意 为“什么时候”；if引导条件状语从句意为“如果”，引导宾语从 句意为“是否”。如： 1Mike wants to know if _ a picnic tomorrow YesBut if it _ ，well visit the museum insteadAyou have；will rain Byou will have；will ra
12、in Cyou will have；rains Dwill you have；rains 2Do you know when he _ back tomorrow？ Sorry，I dontWhen he _ back， Ill tell youAcomes；comes Bcomes；will come Cwill come；comes Dwill come；will come 答案1】1C 2C :1）It _ ten years since they _ to France.Aas；covered Bwas；have moved Cis；have moved Dis；moved 2）He
13、_ wait until the rain _ Awont；will stop Bwont；stop Cwill；stops Dwill；will stop 3）He will go to the Great Wall if it _ tomorrow Awont rain Bdoesnt rain Cdont rain Disnt raining 4） _ you eat old food，you may be illABefore BWhy CIf DWhich 5）Jack runs as _ as Tom Afast Bfaster Cfastest Dmuch f 6）30，000dollars is a large amount of money，but its _ than we need Afor moreBvery much Cfar less Dvery little 答案:1) D 2) C 3) B 4)C 5)A 6)C7）Miss Gao asked a question，but it was _ that nobody could answer it Avery difficult
