时间状语从句之when

时间状语从句之when;while;as&延续性动词and非延续性动词延续性动词and非延续性动词延续性动词---①表示能够延续的动作如：learn,work,stand,lie,know,walk,keep,have,wait,watch,sing,read,sleep,live,stay…..②可以与表示时间段的状语连用e.g.:1.for+一段时间2.howlong一段时间+ago3.since+时间点从句（过去时）1.Istayedherefor2weekslastyear.去年我在这儿待了2个月2.Hehaslivedherefor6years.他在这儿住了6年了。时间段的状语•延续性动词非延续性动词——也称终止性动词，或瞬间动词,①表示不能延续的动作②发生后立即结束如：open,die,close,begin,start,finish,come,go,move,borrow,lend,buy,join……③与表示时间点的状语连用e.g.Hejoinedthearmy3yearsago.3年前他参军了。Iborrowedthebooksat5o’clock.我在5点借的书。时间点非延续性动词引导词词义用法when当….时在…..之后主句、从句的动作①同时发生②先后发生while在…期间与…同时从句动词常用①延续性动词②表状态的词时态常为过去进行时as随着…一边…一边强调主句和从句的动作几乎同时发生非延续性动词转化为延续性动词，有以下4种1.转化成：相应的延续性动词buy—haveborrow--keepputon--wearcatchgetacold--haveacoldbecome--be2.转换成：be+名词jointhearmy---beasoldiergotoschool----beastudent4.转化成：be+adj./adv.die---bedeadfinish--beoverbegin/start--beonleave--beawayclose--beclosedopen--beopenfallasleep--beasleep3.转化成：be+介词短语gotoschool---beinschooljointhearmy---beinthearmy1.IwaswalkingtoschoolwhenIsawacatinatree.I持续性的的的kingtoschool短暂性的2.WhenSallyarrivedhome,hermomwascleaningthehouse.短暂性的持续性的在时间状语从句中：用_when_引导从句，主句用过去进行时态，从句用_一般过去_时态1.WhileIwassleepinginthebedroom,someoneknockedofthedoor.持续性的短暂性的1.Davidfellwhilehewasridinghisbike.短暂性的持续性的用__while_引导从句，主句用_一般过去_时态，从句用__过去进行_时态。B1.Themeetingdidn'tstart___everyonewasthere.A.BecauseB.untilC.whyD.if2.Theboy___tobed___hismothercamein.A.wentnot;untilB.didn'tgo;afterC.went;untilD.didn'tgo;until()3.Iwon'tbelieveyou___Ihaveseenitwithmyowneyes.A.beforeB.untilC.afterD.whenDBA4He___home___shewassatisfied___hisansweryesterday.A.didn'tgo;until;withB.wasn'tgo;after;toC.doesn'tgo;before;withD.didn'tgo;until;to5He___backuntilthework___done.A.isn't;willbeB.isn't;isC.won'tbe;willbeD.won'tbe;is6Theydidn'tstartthework___theirteachercameback.A.untilB.whileC.assoonasD.ifDAC1Tomwillcallmeassoonashe___Shanghai.A.ArrivesB.willreachC.arrivesinD.getto2I'msurehe'llcometoseemebeforehe___Beijing.A.willleaveB.isleavingC.leaveD.leaves3Iwilltellhimthenewsassoonashe___back.A.comeB.comesC.willcomeD.cameDBD1Tomhasgotawatch.He___itfortwoyears.It_______byhisfather.A.hasbought;wasboughtB.hasgot;isbought,C.wasbought;hasbought.D.hashad;wasbought2Whenhegottothestation,thetrain___.A.leftB.hadleftC.leavesD.hasleft3Theboytoldhisfatherwhathe___inthestreet.A.sawB.haveseenC.hadseenD.seeBCB()4We___TVwhenthetelephone____.A.watched;wasringingB.werewatching;rangC.watch;ringsD.arewatching;rang()5Bytheendoflastterm,I___tenbooks.A.hadfinishedreadingB.havefinishreadingC.hadfinishtoreadD.finishreadAC1.I___youforalongtime.Where___you___?A.didn'tsee;did;goB.didn'tsee;have;goneC.haven'tseen;have;beenD.haven'tseen;have;gone2.Tom___Chinafor3years.A.hasbeenB.hasbeeninC.hasbeentoD.hasbeenat()3Iwon'tgotoseethefilmtonight,becauseI___myticket.A.lostB.havelostC.willloseD.didn'tloseBBD•()4-Hello!MayIspeaktoBob?-Sorry,buthe___foramonth.A.hadbeenawayB.wasleft•C.leftD.hasbeenaway()5I___himsinceIbegantoliveinthecity.A.knowB.haveknown•C.knewD.willknow()6.ZhaoLan___already___inthisschool•fortwoyears.A.was;studyingB.will;study•C.has;studiedD.are;studyingBCA•()1Iwanttoknow___sheisgoingtoseeafilm.A.ifB.thatC.whatD.which()2Youaresuretopasstheexam___youstudyhard.A.ifB.thoughC.thatD.since()3I'llgotoseethefilmwithyou___Ihavetimethisevening.A.whetherB.soC.ifD.when()4___youstudyharder,you'llneverpassthefinalexam.A.IfB.UntilC.UnlessD.ExceptACCD•()1Thereare___manyleaguemembersinclass2___inClass4.A.both;andB.'so;that•C.either;orD.as;as()2-Doyouhaveabiglibrary?-No,wedon't.Atleast,not___yours.A.asbigasB.asbigthan•C.asbiggerthanD.biggerasSuzhouisnot____beautiful____Hangzhou.A.as;thanB.so;as•C.even;thanD./;than()4Ironismoreuseful___anyothermetal.A.asB.thanC.thenD.soABBC•()4___hecametostudyintheuniversity,hehasmademuchprogressinthestudyofEnglish.A.WhileB.WhenC.SinceD.After•()5I'dliketogoswimming_____thewaterisnottoocold.A.forB.unlessC.ifD.whetherCA•()1Bettydidn'tgotoseethefilmyesterday___shewasill.A.becauseB.butC.untilD.if()2MayIsitnearer___Icanseemoreclearly?A.asifB.sothatC.evenifD.so()3___youworkhard,youwillcertainlysucceed.A.ThoughB.IfC.BecauseD.ForBBC1Althoughitwasraining,oostillworkedinthefields.A.buttheyB.andtheyC.theyD.andyetthey()2___therewereonlyfivesoldiersleftatthefront,___theywentonfighting.A.Because;soB.If;andC.Though;butD.Though;\3___sheisveryold,___shecanstillworkeighthoursaday.A.Because;soB.Though;butC.As;yetD.Though;yetDDC•()1Pleaseanswerthequestioninaloudenoughvoice___alltheclassmayhear.A.so,thatB.orC.inorderthatD.and()2Liftitup___Imayseeit.A.thoughB.sothatC.asD.than()3Ihurried___Iwouldn'tbelateforclass.A.soB.sothatC.ifD.unless()4Weshouldgobybus___wecangetthereearlier.A.assoonasB.where•C.inorderthatD.asBBCC•()1Thedictionaryissoexpensive___Ican'tbuyit.A.becauseB.whenC.thatD.if()2Igotthere___late___Ididn'tseehim.A.too;toB.such;thatC.so;thatD.so;as()3Itis___hotintheroom___wehavetogooutforawalk.A.such;thatB.so;thatC.as;asD.such;as()4Hehas___aninterestingbookthatwewanttoreadit.A.soB.suchC.thesameD.asCBB