大学英语语法--状语从句-课件

theAdverbial状语句子+引导词作状语。修饰动词、形容词、副词或整个句子，说明动作或状态特征的句子成分，叫做状语。theAdverbialClauses状语从句九种状从时间状语从句地点状语从句原因状语从句条件状语从句让步状语从句结果状语从句目的状语从句方式状语从句比较状语从句1.WhileIwaswalkingalongthestreet,Ifoundmanybeatifulbuildings()2.Wherethereisawill,thereisaway.()3.Nowthat/Sinceeverybodyishere,let’sbeginourmeeting.（）4.I’llspeakslowlysothatyoucanunderstandme.()5.Socleverwashethathewasabletoworkoutallthedifficultproblems.()时间地点原因目的结果状语从句的分类•6.Aslongasyoudon’tloseheart,you’llsucceed.()•7.Tryashemight,hecouldnotfindajob.()•8.Theoldladytreatstheboyasifhewerehisownson.()•9.HeistallerthanIam.()状语从句的分类条件让步方式比较九种常用的状语从句及其常用的连接词时间状语从句when,while,as,before,after,since,once,bythetime,till,until,not…until,thefirst/second…/lasttime,assoonas,themoment,theminute,theinstant,immediately,directly,instantly,hardly…when,scarcely…when,nosooner…than,everytime,eachtimewhere,whereverbecause,since,as,for,nowthat(既然）,inthat（因为）if,unless,as(so)longas,onconditionthat,要……)等。如：地点状语从句原因状语从句条件状语从句九种常用的状语从句及其常用的连接词结果状语从句sothat,so…that,such…thatsothat,inorderthat,incase,as,asif/asthoughthan,as…as,notso/as…as,the+比较级…,the+比较级…目的状语从句方式状语从句比较状语从句让步状语从句although,though,as,eventhough/evenif,while(虽然）,nomatter+which/what/when/where/who/how,whichever,wherever,whatever,whoever,whenever,however,whether…or；•1.Childassheis,sheknowsalotofthings.•2.ThemoreIcandofortheclass,thehappierI’llbe.•3.Hetalksasif(asthough)heknewallaboutit.•4.Heissuchagoodteacherthatthestudentsloveandrespecthim.•5.Ishallgototheparkunlessitrains.•6.NosoonerhadIgothomethanitbegantorain.让步比较方式结果条件时间•7.Wherethereiswater,thereislife.•8.Hestudiedhardsothathecouldcatchupwithhisclassmates.•9.Sinceyouareverybusy,Iwon'ttroubleyou.•10.Evenif(though)Ifail.I’llneverloseheart.•11.Onceyoubeginthework,youmustcontinue.•12.Althoughthesunwasshining,itwasn’tverywarm..地点目的原因让步时间让步•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1.Wewereswimminginthelake______suddenlythestormstarted.A.whenB.whileC.untilD.before2.Hewasabouttotellmethesecret______someonepattedhimontheshoulder.A.asB.untilC.whileD.when3.Hetransplantedthelittletreetothegarden______itwasthebesttimeforit.A.whereB.whenC.thatD.until4.－DidJackcomebackearlylastnight?－Yes.Itwasnotyeteighto’clock____hearrivedhome.A.BeforeB.whenC.thatD.until5.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：6.ThecostoflivinginGlasgowisamongthelowestinBritain,______thequalityoflifeisprobablyoneofthehighest.A.sinceB.whenC.asD.while7.______Iacceptthatheisnotperfect,Idoactuallyliketheperson.A.WhileB.SinceC.BeforeD.Unless8.________itistruethatastudent’smostimportantgoalistodowellinhisorherstudies,itdoesn’tneedtobetheonlygoal.AwhenBAsCWhileDBefore25.Marymadecoffeeherguestswerefinishingtheirmeal.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.1.－DidyouremembertogiveMarythemoneyyouowedher?－Yes.Igaveittoher______Isawher.A.whileB.themomentC.suddenlyD.although2.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/scarcelyhadI