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拿出听写本状语从句讲练状语从句(theadverbialclauses状语从句(theadverbialclauses概述:一个从句用来作状语,表示时间,地点,条件,方式,原因,结果,让步,比较，目的等.这样的从句叫状语从句.I.时间状语从句(timeclauses)引导时间状语从句的从句属连词有when,whenever,while,as,before,after,till(until),since,once,assoonas等.除些外还有可以由everytime,bythetime;thefirsttime;themoment(instant,minute,),nosooner---than---;hardly(scarcely)…when…;immediately,directly;on+doing;at+名词等引导.Eg:MotherwasworriedbecauselittleAlicewasill,especially______FatherwasawayinFrance.AasBthatCduringDif题干中需要引导时间状语从句的从句从属联词,故A为正确答案,as在此等于when/while.as,when,while当……时的区别.在引导时间较长的“背景”时,可通用.As(when,while)Iwaswalkingdownthestreet,InoticedapolicecarinfrontofNo.37.Asmeans①atthesametimethat---尤指两个动作或两个事件同时发生.Theytalkedastheywalked.AsIworked,someonecamenear.as②可以说明两种正在变化或发生的情况.AsIgetolder,Igetmoreoptimistic(乐观的).③主从句中都是终止性动词时,as=when,Hecamejustas(when)Ireachedthedoor.“when”means①duringthetime=while②atthemoment不可与while或as互换.Whenhearrived,wewerehavingsupper.③when从句当主句的动作先后发生时,不可与as,while互换。Whenwehadshutthewindows,wewenthome.(4)固定句型：beabouttode/bedoing…when…while在引导让步状语从句,和表示对比关系或条件关系时Whilerespected,heisnotliked.(while=although)HeisadoctorwhileIamateacher(while=but)但是,然而,whilethereiswater,andair,therewillbelife.(while=aslongas只要)PracticeA.whenB.whileC.as1.Tomhurthisleg_____hegotoffthebus.2.Fatherwascooking______motherwaswatchingTV.3.______youaretired,youhadbetterrest.4.Rich_____heis,heisnothappy.5.______hehadfinishedhiswork,TomwasallowedtowatchTV.6.______Janewasyoung,shereallyknowsalot.7.Johngetsmoremature_____timegoesby.8.______Lileihadexpected,hewasadmittedintoakeyuniversity.9.Pleasedotheexperiment______yourteachertellsyouto.10.Shewasabouttoanswerthedoor_____itwasforcedopen.11.Tomwasspeakingillofhisteacher_____thedooropenedandincamehisteacher.1,C;2,B;3,C;4,C;5,A;6,B;7,C;8,C;9,C;10,A;11,A表示：“一……就……”那个失踪的孩子一见到她的妈妈就大哭起来。(1).hardly(scarcely)…when…;nosooner…than…;assoonas…(2).themoment(instant,minute,(3).immediately,directly;(4).on+doing;(5)at+名词等引导.(6)once,一但…；每当…Themissingchildhadhardlyseenhismotherwhenheburstintotears.Nosoonerhadthemissingchildseenhismotherthanheburst……Themissingchildburstintotearsassoonashesawhismother.Themomentthemissingchildsawhismother,heburstintotears.Immediatelythemissingchildsawhismother,heburstintotears.Onseeinghismotherthemissingchildburstintotears.Themissingchildburstintotearsatthesightofhismother.玛丽一躺下就睡着了。HardlyhadMarylaindownwhenhewenttosleep.Marywenttosleepassoonashelaydown.Maryfellasleeptheminuteshelaydown.Maryfellasleepdirectlyshelaydown.由till,until;notuntil引导的状语从句他每天都学习到深夜；他每天学习到他父亲下班回家Hestudiesfarintothenighteveryday.Hestudiestill/untilhisfathercomesbackhomeafterwork.我们每天都等爸爸下班回来再吃晚饭Wedon’thavesupperuntilfathercomesbackfromwork.Notuntilfathercomesbackfromworkdowehavesupper.昨天我们确实等到爸爸下班回来才吃晚饭。Itwasnotuntilfathercamebackfromworkthatwehadsupper.我们每天上课到6点20分。我昨天12点才睡觉。这件事得等老师来了再做决定。你昨天确实完成作业后才睡觉的吗？Wehaveclassestill/until6:20everyday.Ididn’tgotobeduntil12o’clock.Wewon’tmakeadecisionaboutituntilourteachercomes.Wasitnotuntilyouhadfinishedyouhomeworkthatyouwenttobed?（3）Before在…之前;还没…就;…才…，还没来得及…就…1。没等我插上话，裁缝就给我量完了尺寸2。不久我们就会有见面的。3。很长时间我们才又见面。4。大约3年后他才回来。BeforeIcouldgetinaword,hehadmeasuredme.Itwon’tbelongbeforewemeetagain.Itwillbequitelongbeforewemeetagain.Ithadbeenabout3yearsbeforehecameback.（4）since的用法（1）自从…以来；（2）Itis/hasbeen…since…从我大学毕业以来就在这所学校任教。IhaveworkedasateacherinthisschoolsinceIleftcollege.我结婚20年了。Itis/hasbeen20yearssinceIgotmarried.Ihavebeenmarriedfor20years.汤姆不在这儿住已有10年了Itis10yearssinceTomlivedhere.Everytime(多次;总是)Everytimehecomeshere,hegetsmoved.Bythetime到------时（后接过去完成时或将来完成时）Bythetimehewasfourteen,hehadlearnedtoplaythepiano.Whenever无论何时Wheneverhehastime,hewillcometoseeme.我第一次见到这本书,我就喜欢上了.ThefirsttimeIsawthebook,Ilikeditverymuch.注：It’sthefirst/second…time后面的句子用完成时态。It’s(high)time后面句子的谓语用过去时或should+动词原形。(5)Everytime,eachtime,anytime,allthetime(每当…每次…)nexttime,（下次…）thefirst/second/lasttime,(第一次…)的用法。到我20岁时，我就已经上大学了。BythetimeIam20yearsold,Iwillhavegonetocollege.这是我第一次来北京。It’sthefirsttimeIhavecometoBeijing.你该上学了It’stimeyouwenttoschool.每当我按时完成了作业，我都会有很强的成就感。achievement.EachtimeIfinishmyhomeworkintime,I’llhaveastrongsenseof完成下列句子1.(他一进屋)______________thanhefoundhisTVsetstolen.2.Notuntilhehadfinishedhishomework,______(他才回家).3.Hehasworkedhere_____________________(从他来到这里).4.(一旦你意识到英语的重要性)______________________youwillputyourheartintoyourstudies.5.(到他18岁时)___________________________________hehadlearnedenoughtoreadarticlesinEnglish.6.Theytalked________________(一边走).7.Theywerefighting_____________________(正在那时老师来了).8._______________________(当他到来站时),thetrainhadleft.9.Hefellasleep______________________________(他一躺下).10.______________________(每次我见到他),heisalwaysbusy.11.It’stime_________________________(你该起床了）12.Hehitmeonthenose_______________(没等我伸出手）Nosoonerhadheenteredtheroomdidhegohome.OnceyourealizetheimportanceoflearningEnglishwellsincehecamehereBythetimehewas18yearsold,astheywalkedwhentheteachercamein.Whenhereachedtherailwaystation,assoonas/themoment/immediatelyhelaydown.EverytimeImeethim,yougot(should)getup.beforeIheldoutmyhands.地