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延续性动词与非延续性动词及其转换动词按其动作发生的方式、发生过程的长短可分为延续性动词与非延续性动词。一.延续性动词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等。延续性动词可以与表示时间段的状语连用。表示时间段的短语有:for+一段时间,fortwoyears;since从句,sincehecamehere;since+时间点名词,sincelastyear,sincefivedaysago;howlong;foralongtime等。二.非延续性动词也称终止性动词、瞬间动词,表示不能延续的动作,这种动作发生后立即结束。如:open,die,close,begin,finish,come,go,move,borrow,lend,buy等。非延续性动词在肯定句中与表示时间点的状语连用，如：twoyearsago;at5o'clock;否定的终止性动词可以与表示时间段的时间状语连用。如：Ihaven’theardfromUncleWangforalongtime.Wehaven’tseenhimsince1992.三．延续性动词与非延续性动词之间的转换：一些短暂性动词及相应的延续性动词：arrive（getto/reach）→behere(in)begin(start)→beondie→bedeadcomehere（back）→behere（back）leave→beaway(from)fallill(sick,asleep)→beill(sick,asleep)getup→beupgo/getout（there）→beout（there）finish→beover例:Theoldmandied4yearsago.--Theoldmanhasbeendeadfor4years.=---Itis4yearssincetheoldmandied.=---Fouryearshaspassedsincetheoldmandied.HejoinedtheParty2yearsago.=----HehasbeeninthePartyfor2years.Iboughtthebook5daysago.=--Ihavehadthebookfor5days.补充练习：1.Whenhearrivedatthebusstop,thebus________for20minutes.A.hasleftB.hadleftC.hasbeenawayD.hadbeenaway2.I______theLeague（共青团）for5yearssofar.A.joinedB.havejoinedC.havebeenin3.Thefactory________sincetheFebruaryof1988.A.hasbeenopenB.hasopenedC.wasopenD.opened4.MaryandRose_______friendssincetheymetin2000.A.havemadeB.havebeenC.madeD.havebecome5.Youmustn't________untilhecomesback.A.beawayB.leaveC.beleft6.Themeeting_______foraweeknow.A.hasfinishedB.hasendedC.hasbeenover7.MissGao______thisschoolfornearly5years.A.hasbeeninB.hascometoC.hastaught8.Ben______ateacherfor4years.A.hasbeenB.hasbecomeC.wasD.became9.I______homeforaweek.puton→wear或beonopen→beopen（keepsth.open）join→bein或beamemberof…+组织机构close→beclosedgotoschool→beastudentborrow→keepbuy/get→havecatch(acold)→have(acold)gettoknow→knowbegintostudy→studycometowork→workmoveto→liveinfinish→beovercometo→beinsitdown→beseatedmarry→bemarrieddress→bedressedbecome→beA.havereturnedB.havebeenbackC.returned10.Howlong_______he________?A.diedB.has,diedC.has,beendead11.He______ateightyesterdayafternoon.A.sleptB.wassleepingC.hassleepD.hadslept12.He________thecarforaweek.A.boughtB.hasboughtC.hashad13.-----Howlong_____you_____ill?-----Twoweeks.A.didfallB.have,fellC.have,been14.Since2000,he_____hishometown.A.hasleftB.hasmovedawayC.hasbeenawayfrom15.I'lllendyouthebook,butyoucanonly_____itfor2days.A.borrowB.keepC.take16.Thebus______ontheroadfor2hourssofar.A.hasstoppedB.stoppedC.hasbeen17.Areyou_____thejacketthesedays?A.wearingB.puttingonC.dressingD.on18.He________foe2hours.A.gotupB.hasgotupC.hasbeenup19.Tomisillinhospital.He_______acoldforseveraldays.A.isB.catchesC.hascaughtD.hashad20.-----HowlongcanI______thebook?------Twoweeks.A.borrowB.lendC.getD.keep时态和语态专项复习()1.Don’tmakesomuchnoise.We_______tothemusic.A.listenedB.listenC.arelisteningD.havelistened()2.ImustreturnthecameratoLiLei.I_______itfortwoweeks.A.keepB.borrowedC.havekeptD.havelent()3.–Whenwillyoutellhimthegoodnews?--Iwilltellhimaboutitassoonashe_______back.A.comesB.cameC.willcomeD.iscoming()4.–Dad,pleaseopenthedoor,it_______.–OK,dear.I’mcoming.A.locksB.lockedC.islockedD.waslocked()5.–DidyougotoJim’sbirthdayparty?--No,I_______.A.amnotinvitedB.wasn’tinvitedC.haven’tinvitedD.didn’tinvite()6.AtalkonChinesehistory_______intheschoolhallnextweek.A.begivenB.hasbeengivenC.willbegivenD.willgive()7.Youmaygofishingifyourwork_______.A.isdoneB.willbedoneC.hasdoneD.havedone()8.–Whatdoyouthinkofthefootballmatchyesterday?--Well.It’ssurprising.Thestrongestteamofourschool_______.A.wasbeatenB.wonC.scoredD.wasfailed()9.–WouldyouryoungerbrothergoforapicnicthisSunday?--IfIdon’tgo,_______.A.sodoesheB.sohewillC.neitherwillheD.neitherdoeshe()10.Thetreesmust_______threetimesaweek.A.waterB.iswateringC.bewateredD.waters()11.–DidyouseeTomattheparty?--No,he_______bythetimeIgotthere.A.leftB.wasleavingC.hadleftD.hasleft()12.–Whynotgotoseethedolphinshowwithme?--BecauseI______it.A.sawB.willseeC.seeD.haveseen()13.–DoyoulikewatchingcookingprogramsonTV?--No,Idon’t,butmytwinbrother_______.He’sveryfondofcooking.A.doesB.doC.isD.are()14.Catherin_______theletterbeforehermothercameintoherbedroom.A.haswrittenB.waswrittenC.hadwrittenD.iswriting()15.Theoldmanisquiteweakaftertheaccident,sohe_______.A.musttakecareofB.mustbetakecareofC.mustlookafterD.mustbelookedafter()16.Theticketisonthefloor.Wouldyouplease_______forme?A.pickitupB.pickupitC.pickupthemD.pickthemup()17.He_______livinginthecountrytothecity.A.likesB.prefersC.enjoysD.loves()18.Howlonghaveyou_______thebook?A.boughtB.lentC.hadD.borrowed()19.–Doyouknowhimwell?--Sure.We_______friendsincetenyearsago.A.wereB.havebeenC.havebecomeD.havemade()20._______mecarefully,boysandgirls.Canyou_______me?A.Listento;hearB.Hear;listentoC.Hear;hearD.Listento;hearfrom()21.–ThesefarmershavebeentotheUnitedStates.–Really?When______there?A.willtheygoB.didtheygoC.dotheygoD.havetheygone()22.I’msorryIhaven’tgotanymoney.I_______myhandbagathome.A.havemissedB.haveleftC.haveputD.haveforgotten()23.–WhereisMissGao.Lily?--She_______totheteachers’.A.hasbeenB.hasgoneC.