高考专项复习-时间状语从句.ppt

时间状语从句,AdverbialClause,时间状语从句,时间状语从句的引导词when,while,as,before,after,since,until,till,assoonas,once,hardlywhen,nosoonerthan,whenever等,when的用法小结,1.可用作并列连词，其意义为“这时,突然”，相当于andthensuddenly。常用于下列句式：bedoingbeabouttodosthbeonthepointofdoingIwasabouttogooutwhenthedoorbellrang.OneeveningIwashavingmydinnerwhenanunexpectedfriendknockedmydoor.,+when,2.还可以表示原因“既然”，相当于since;consideringthat。如：Itwasfoolishofyoutotakeataxiwhenyoucouldeasilywalkthereinfiveminutes.Howcanhegetgoodgradeswhenhewontstudy?,3.When的省略句型:当when引导的从句与主句主语一致,且从句中包含be动词时,可省略从句主语和be动词。Ihavetriedtokeepthisadviceinmindwhen(Iam)writingthebook.Hegavegoodpracticaladvicewhen(hewas)asked.WhenatRome,doastheRomansdo.Whenstillayouthhewitnessedtherisingdissatisfactionofthemasses.Wewilldothatonlywhen(itis)necessary.,while,Iliketeawhileshelikescoffee.Whiletheyaremyneighbors,Idontknowthemwell.Whilethereislife,thereishope.,然而(对比),尽管(句首),只要,as,AsyouwerentthereIleftamessage.YoungasIam,IalreadyknowwhatcareerIwanttofollow.DoasIsayandsitdown.Asachild,hewashopelessatmaths.,因为(句首),尽管(倒装),以.方式,当.的时候(省略结构,常保留名词),till,until和notuntil,1.until/till引导时间状语从句用于肯定句时，主句的动词是延续性动词,表示动作或状态一直持续到until/till所表示的时间,意为“某动作一直延续到某时间点才停止”。如：Wewaiteduntilhecame.直到他来,我才买了这本书。2用于否定句时，主句谓语动词是非延续性动词，从句为肯定，意为“某动作直到某时间才开始”。如：Ididntbuythisbookuntilhecame.,3till不可以置于句首，而until可以。如：UntilyoutoldmeIhadnoideaofit.4notuntil句型中的倒装和强调说法：NotuntilhecamedidIbuythisbook.ItwasnotuntilhecamethatIboughtthisbook.,before,一、含义1Wehadsailedfourdaysandfournightsbeforewesawland.2Wehadntrunamilebeforehefelttired.3BeforeIcouldgetinaword,hehadmeasuredme.,才,就,不等就,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：Itwasnttwoyearsbeforeheleftthecountry.,Since,1.since表“自从”，所引从句使用非延续性动词，主句使用完成时态。Sincehegraduatedfromthecollege,hehasworkedinthiscity.若since所引从句使用延续性动词或状态动词的过去式，则表示动作或状态的完成或结束。SincehelivedinNanjing,Ihavenotheardfromhim.Sincehewasastudent,hehasnevercomeback.注意：下面一句的翻译SinceIwasachild,IhavelivedinLondon.Therefore,Iknowthecityverywell.从我小时侯起，我就住在伦敦了。,2.句型Itis/hasbeen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：Itis/hasbeenthreeyearssinceshejoinedthearmy.Itis/hasbeenthreeyearssinceshewasinthearmy.,before/when/since/that,Itwas8pm._theygottothevillage.Itwas8hours_theygottothevillage.Itsalongtime_Imetyoulast.Itwasat8pm._theygottothevillage.,when,before,since,that,小结,1一些词，如themoment,theminute,theinstant,等也可引导一个时间状语从句，相当于assoonas的意思。Hejumpedoffthecouchthemomentthetelephonerang.2.immediately,directly,instantly,也可引导时间状语Theyphonedmeimmediatelytheyreachedhome.3.hardlywhen,scarcelywhen,nosoonerthan引导时间状语，相当于assoonas的意思。如果hardly或nosooner或scarcely置于句首，句子必须用部分倒装结构。主句使用过去完成时，从句使用一般过去时。HardlyhadIgothomewhenitbegantorain.4.一些含有time的名词短语，如everytime,eachtime,nexttime,thefirsttime等，以及theday,theyear,themorning等，也可引导一个时间状语从句。Thedayhereturnedhome,hisfatherwasalreadydead.Nexttimeyoucome,pleasebringyourcomposition.,1.(04北京春)Wewereswimminginthelake_suddenlythestormstarted.A.whenB.whileC.untilD.before2.(04年江苏)_Iacceptthatheisnotperfect,Idoactuallyliketheperson.A.WhileB.SinceC.BeforeD.Unless3.(05福建)DidJackcomebackearlylastnight?Yes.Itwasnotyeteightoclock_hearrivedhome.A.beforeB.whenC.thatD.until,A,A,B,4.(01北京春)DidyouremembertogiveMarythemoneyyouowedher?Yes.Igaveittoher_Isawher.A.whileB.themomentC.suddenlyD.once5._enteredtheofficewhenherealizedthathehadforgottenhisreport.A.HehardlyhadB.HadhehardlyC.HardlyhadheD.Hardlyhehad6.Agoodstorytellermustbeabletoholdlistenerscuriosity_hereachestheendofthestory.A.whenB.unlessC.afterD.until,B,C,D,7.(03年北京)Hemadeamistake,butthenhecorrectedthesituation_itgotworse.A.untilB.whenC.beforeD.as8.(06天津)ThecostoflivinginGlasgowisamongthelowestinBritain,_thequalityoflifeisprobablyoneofthehighest.A.sinceB.whenC.asD.while9.(1998上海)Ithoughtherniceandhonest_Imether.A.firsttimeB.forthefirsttimeC.thefirsttimeD.bythefirsttime,C,D,C,10.(05北京春)Itisalmostfiveyears_wesaweachotherlasttime.A.beforeB.sinceC.afterD.because11.(06辽宁)Hewasabouthalfwaythroughhismeal_afamiliarvoicecametohisears.A.whyB.whereC.whenD.while12.(06四川)Whydidntyoutellhimaboutthemeeting?Herushedoutoftheroom_Icouldsayaword.A.beforeB.untilC.whenD.after,B,C,A,13.(05上海)Hetransplantedthelittletreetothegarden_itwasthebesttimeforit.A.whereB.whenC.thatD.until14.-Howlongdoyouthinkitwillbe_Chinasendsamannedspaceshiptothemoon?-Perhapstwoorthreeyears.（06福建）A.whenB.untilC.thatD.before15.Imgoingtothepostoffice.yourethere,canyougetmesomestamps?A.AsB.WhileC.BecauseD.If,B,D,B,16.MotherwasworriedbecauselittleAlicewasill,especially_FatherwasawayinFrance.(94)A.asB.thatC.duringD.if17.Generallyspeaking,_accordingtothedirections,thedrughasnosideeffect.(03上海)A.whentakingB.whentakenC.whentotakeD.whentobetaken18.Severalweekshadgoneby_Irea