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状语从句专项复习时间状语从句原因状语从句地点状语从句目的状语从句结果状语从句条件状语从句让步状语从句比较状语从句方式状语从句状语从句有九种，时地原因条状补，目比结果方让步，连词引导各不同；主句通常前面走，连词引导紧随后，从句若在主前头，主从之间有个逗。1.WhileIwaswonderingatthis,ourschoolmastertookhisplace.()2.Wherethereisawill,thereisaway.()3.Nowthat/Sinceeverybodyishere,let’sbeginourmeeting.（）4.I’llspeakslowlysothatyoucanunderstandme.()5.Socleverwasheastudentthathewasabletoworkoutallthedifficultproblems.()6.Aslongasyoudon’tloseheart,you’llsucceed.()7.Tryashemight,hecouldnotfindajob.()8.Theoldladytreatstheboyasifhewereherownson.()时间地点原因目的结果条件让步方式状语从句的分类引导词可分为两部分．whenaswhilebeforeafteruntil(till)sinceassoonaseverytimenexttimethefirst/…lasttimethemomenttheminuteinstantlyimmediatelydirectly(一…就…)becausesinceasfornowthatconsidering(that)seeing(that)既然考虑到／鉴于鉴于／由于／既然／因为where/wherevere.g.WuhanlieswheretheYangtzeandtheHanRivermeet.sothatinorderthatincaseforfearthat(生怕，以免）lest１）though/althoughevenif/eventhough（尽管，虽然）（即便）though/although＊主句前可用yet,常省略．e.g.Thoughitsoundsstrange,yetitistrue.＊倒装句和独立副词放句末只能用thoughe.g.Strangethoughitmayseem,heremainedsingleallhislife.Itwashardwork.Ienjoyedit,though.(但是／不过）２）whoever/nomatterwhowhatever/nomatterwhatwhenever/nomatterwhen．．．．e.g.Lateasitwas,theykeptonworking.Childasheis,heknowsalot.MuchasIadmirehisfather,Idon’tlikeJohn.Tryasyoumay,youmightfailaswell.Borrowthebookasyoumay,youmustreturnitontime.３）as倒装－－“虽然／尽管”than/as—从句中常有成分省略e.g.Theprojectwascompletedearlierthan(itwas)expected.Heworkedasfastasaskilledworker(worked).Repeatthisasoftenas(itis)necessary.Thenseeadoctorassoonas(itis)possible.asasif/asthough依照／如／像仿佛/就象…似的e.g.Thereblackpeoplehadequalrightsandwerefreetolive,studyandworkastheywished.Hekeptworkingasif/asthoughnothinghadhappened.1、各种从属连词的含义及用法比较；2、nomatterwh-与wh-ever引导的从句的区别；3、状语从句的时态问题；4、状语从句倒装及紧缩问题；5、状语从句与其它从句的区别。考点难点1.时间状语从句1.(04北京春)Wewereswimminginthelake______suddenlythestormstarted.A.whenB.whileC.untilD.before2.(02上海)Hewasabouttotellmethesecret______someonepattedhimontheshoulder.A.asB.untilC.whileD.when3.(05上海)Hetransplantedthelittletreetothegarden______itwasthebesttimeforit.A.whereB.whenC.thatD.until4.(05福建)－DidJackcomebackearlylastnight?－Yes.Itwasnotyeteighto’clock____hearrivedhome.A.BeforeB.whenC.thatD.until5.(06辽宁)Hewasabouthalfwaythroughhismeal______afamiliarvoicecametohisears.A.whyB.whereC.whenD.whileADBBC6.(06天津)ThecostoflivinginGlasgowisamongthelowestinBritain,______thequalityoflifeisprobablyoneofthehighest.A.sinceB.whenC.asD.while7.(04年江苏)______Iacceptthatheisnotperfect,Idoactuallyliketheperson.A.WhileB.SinceC.BeforeD.Unless连接词while的用法小结1.while引导的动作必须是持续性的，侧重主句动作和从句动作相对比。如：Pleasedon’ttalksoloudwhileothersareworking.2.while作为并列连词，意为“而，却”，表示对比。3.while可表示尽管，相当于although。DA问题3:1.(01北京春)－DidyouremembertogiveMarythemoneyyouowedher?－Yes.Igaveittoher______Isawher.A.whileB.themomentC.suddenlyD.once2.(1998上海)Ithoughtherniceandhonest______Imether.A.firsttimeB.forthefirsttimeC.thefirsttimeD.bythefirsttime3.______enteredtheofficewhenherealizedthathehadforgottenhisreport.A.HehardlyhadB.HadhehardlyC.HardlyhadheD.HardlyhehadBCC小结：1．一些词，如themoment,theminute,theinstant,immediately,directly,instantly,hardly…when,scarcely…when,nosooner…than等也可引导一个时间状语从句，相当于assoonas的意思。Ididn’twaitamoment,butcameimmediatelyyoucalled.2．一些含有time的名词短语，如everytime,eachtime,nexttime,bythetime等，以及theday,theyear,themorning等，也可引导一个时间状语从句。Thedayhereturnedhome,hisfatherwasalreadydead.Nexttimeyoucome,pleasebringyourcomposition.3.如果hardly或nosooner或scarcely置于句首，句子必须用部分倒装结构。HardlyhadIgothomewhenitbegantorain.问题4:1.(03北京春)－Washisfatherverystrictwithhimwhenhewasatschool?－Yes.Hehadneverpraisedhim______hebecameoneofthetopstudentsinhisgrade.A.afterB.unlessC.untilD.when2.(03上海)Agoodstorytellermustbeabletoholdlisteners’curiosity______hereachestheendofthestory.A.whenB.unlessC.afterD.until3.Itwasnot______shetookoffherdarkglasses______Irealizedshewasafamousfilmstar.A.when;thatB.until;thatC.until;whenD.when;thenCDB连接词before的小结：一、含义1．Wehadsailedfourdaysandfournightsbeforewesawland.2．Wehadn’trunamilebeforehefelttired.3．Pleasewriteitdownbeforeyouforgetit.4．BeforeIcouldgetinaword,hehadmeasuredme.“……才”“不到……就”“趁……”“还没来得及”二．Before从句中谓语不用否定式。如：Beforetheyreachedthestation,thetrainhadgone.三．1）句型Itwillbe/was＋段时间＋before…“还要过多久才……”如：Itwillbetwoyearsbeforeheleavesthecountry.2）句型Itwillbe/wasnot＋一段时间＋before…“不多久就……”如：Itwasn’ttwoyearsbeforeheleftthecountry.3）句型Itis＋段时间＋since…时间的计算一律从since从句的动作完成或状态结束时算起。如：Itisthreeyearssinceshewasinthearmy.Itisthreeyearssinceshejoinedthearmy.2、条件状语从句问题1：1、TheWTOcannotliveuptoitsname____itdoesnotincludeacountrythatishometoonefifthofmankind.（2000全国）A．aslongasB．whileC．ifD．eventhough2、Itisknowntoallthat_____youexerciseregularly,youwon’tkeepgoodhealth.（05重庆卷）A.unlessB.wheneverC.althoughD.ifCAunless相当于ifnot，意思是“除非…”“如果不…就…”。这也是高考的热点之一。复习时也应给予高度重视。问题2：1、_____Icansee,thereisonlyonepossiblewaytokeepawayfromthedanger.（04北京春季）A.AslongasB.AsfarasC.JustasD.Evenif2、IalwaystakesomethingtoreadwhenIgotothedoctor’s________Ihavetowait.（05全国卷3）A．incaseB．sothatC．inorderD．asifBAaslongas与asfaras都可引导条件状语从句，aslongas表示“只要…”，asfaras表示“就…而论（而言）”。题1根据题意应该选用B。