状语从句重难点归纳

•1状语从句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、状语从句倒装及省略问题；•5、状语从句与其它从句区别。时间状语从句问题1:1.(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.whileADBBC连接词when的用法小结1.when可用来引导时间状语从句，意为“当……的时候”从句的谓语动词可以是延续的，也可以是短暂的。如：Whenthefilmended,theywentback.WhenIlivedthere,IusedtogototheseashoreonSundays.2.When常用于下列句式：意为“就在那时”。如：wasdoingsomething…whenwasabouttodo…whenwasonthepointofdoingsth...when…haddone…when3.when可以表“既然”，如：HowcanIhelpthemtounderstandwhentheywon’tlistentome?注意同一个从属连词的多义性：问题2:6.(06天津)ThecostoflivinginGlasgowisamongthelowestinBritain,______thequalityoflifeisprobablyoneofthehighest.A.sinceB.whenC.asD.while7.(04年江苏)______Iacceptthatheisnotperfect,Idoactuallyliketheperson.A.WhileB.SinceC.BeforeD.Unless8.________itistruethatastudent’smostimportantgoalistodowellinhisorherstudies,itdoesn’tneedtobetheonlygoal.AwhenBAsCWhileDBefore25.Marymadecoffeeherguestswerefinishingtheirmeal.(全国)A.sothatB.althoughC.whileD.asifDACC1.while可用来引导时间状语，意为“当……的时候”；引导的动作必须是持续性的，如：Pleasedon’ttalksoloudwhileothersareworking.2.while作为并列连词，意为“而，却”，表示对比。JanewasdressedinbrownwhileMarywasdressedinblue.3.while也可用来引导让步状语，意为“尽管，虽然”；可表示尽管，相当于althoughWhileIadmitthattheproblemsaredifficult,Idon’tagreethattheycan’tbesolved.4趁…的情况赶紧做,否则来不及了Strikewhiletheironishot.连接词while的用法小结1.as可用来引导时间状语，意为“一边…一边”；随着如：Shesangasshewalkedhomealltheway.(一边…一边）Shewasdoingherhomeworkasshewaslisteningtothemusic.Asshegrewolder,shebecamemorebeautiful.（随着）Asthedaywenton,theweathergotworse.2.as也可用来引导原因状语从句意为“因为”；如：Assheisfreetoday,shewouldliketodosomeshopping.（因为）3.as还可用来引导让步状语从句（通常用倒装结构）意为“尽管”。如：Tiredashewas,herefusedtotakearest.（尽管）Hardasheworked,hecan’tworkouttheproblem.Childasheis,heknowsalot.连接词as的用法小结连接词when,while,as的用法区别：when,while,as这三个连词都可表示“当……的时候”，使用时应注意：1)when可表示一个时间点，也可表示一个时间段。如：Whenhecamein,wewerehavingsupper.Whenwewerehavingsupper,thelightsuddenlywentout.2)while则只表示一个时间段。它所引导的时间状语从句中的时态常用进行时态。如：When/Whilehewaseatinghisbreakfast,heheardthedoorbellring.WhilehewaswatchingTV,theboyfellasleep.3)as则强调主句和从句的动作在同一时间进行;也可表示“随着……”，。Shesangasshewalkedalong.Astheelectionapproached,theviolence（暴行）gotworse.问题3:1.(01北京春)－DidyouremembertogiveMarythemoneyyouowedher?－Yes.Igaveittoher______Isawher.A.whileB.themomentC.suddenlyD.although2.(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等也可引导时间状语从句，相当于assoonas的意思。Icameimmediatelyyoucalledmeup.2．一些含有time的名词短语，如thefirst/second/lasttime,everytime,eachtime,nexttime,bythetime等，也可引导时间状语从句。ThefirsttimeIdrovethecar,Ifeltverynervous.Nexttimeyoucome,pleasebringyourcomposition.3.如果hardly或nosooner或scarcely置于句首，句子必须倒装。Hardly/scarcelyhadIgothomewhenitbegantorain.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小结：till,until和not…until：1.until/till从句用于肯定句时，主句的动词是延续性动作，意为“某动作一直延续到某时间点才停止”。如：Wewaiteduntil/tillhecame.2．用于否定句时，主句谓语动词是非延续性动词，意为“某动作直到某时间才开始”。如：Hewon’tgotobeduntilherfatherreturns.3．till不可以置于句首，而until可以。如：UntilyoutoldmeIhadnoideaofit.4．not…until句型中的强调和倒装说法：ItwasnotuntilyoutoldmethatIhadanyideaofit.NotuntilyoutoldmedidIhaveanyideaofit.问题5:1.(03年北京)Hemadeamistake,butthenhecorrectedthesituation______itgotworse.A.untilB.whenC.beforeD.as2.(04福建)Scientistssayitmaybefiveorsixyears______itispossibletotestthismedicineonhumanpatients.A.sinceB.afterC.beforeD.when3.(06四川)－Whydidn’tyoutellhimaboutthemeeting?－Herushedoutoftheroom____Icouldsayaword.A.beforeB.untilC.whenD.after4.(05北京春)Itisalmostfiveyears______wesaweachotherlasttime.A.beforeB.sinceC.afterD.becauseCCAB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”三．1）Itwillbe/＋段时间＋before…“还要过多久才……”Itwillbetwoyearsbeforeheleavesthecountry.2）Itwas+时间段+before从句（动作已发生）Itwasthreeweeksbeforehecameback3）Itwillnotbelongbefore…“不多久就会……”Itwon’tbelongbeforeshecomesback4）Itwasnotlongbefore…“不多久就……了”如：Itwasn’tlongbeforeheleftthecountry.5）Itis＋时间＋since…如：Itisthreeyearssinceshewasinthearmy.