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延续性和非延续性动词延续性动词:work,learn,lie,wait,watch,read，sleep,live…非延续性动词:open,close,finish,begin,arrive,leave,borrow,buy,fall,die…延续性和非延续性动词和现在完成时：延续性和非延续性动词都可用于现在完成时：1.Thetrainhasarrived.2.Haveyouboughtthebook?3.Ihavereadthisbook.4.JackhaslearnedsomeChinese.非延续性动词，因其不能持续的特点，不可与表示一段时间的状语（fortwoyears,howlong，inthepastfewyears,sincelastyear等）连用:(1)他去去世有三年了Hehasdiedforthreeyears.(x)Hehasbeendeadforthreeyears.()Hediedthreeyearsago.()(2)他来了有5天了。Hehascomeforfivedays.(x)Hehasbeenhereforfivedays.()Hecamefivedaysago.()(3)这本书你可以借两周Youcanborrowthisbookfortwoweeks.(x)Youcankeepthisbookfortwoweeks.()非延续性动词可转换为相应的延续性动词:非延续性动词延续性动词die死come来go/leave去/离开borrow借buy买begin,start开始finish结束marry结婚jointhearmy参军getangry发怒catchacold得感冒catchfire着火bedeadbeherebeaway(from)keephavebeonbeoverbemarriedbeinthearmybeangryhaveacoldbeonfire1.WhenHenryarrivedatthebusstop,thebus____fortwohours.A.hasleftB.hadleftC.hasbeenawayD.hadbeenaway2.I____theLeagueforfiveyearssofar.A.joinedB.havejoinedC.havebeeninD.hadbeenin3.Thefactory_____sincetheFebruaryof1995.A.hasbeenopenB.hasopenedC.wasopenD.opened4.MaryandRose____friendssincetheymetinLondon.A.havemadeB.havebeenC.madeD.havebecome5.Themeeting____foraweeknow.A.hasfinishedB.hasendedC.hasbeenoverD.hasbeenclosed6.Areyou____thebluejacketthesedays?A.wearingB.puttingonC.dressing7.JohnandMary_____ayearago.A.marriedB.hasmarriedC.hasbeenmarriedD.hadmarried8.MissGao____thisschoolsince1998.A.hascometoB.cametoC.hasbeeninD.cameto9.I_____ateacherfor23years.A.havebeenB.havebecomeC.wasD.hadbeen10.Howlong____MrSmith____?A.did,dieB.was,deadC.was,dyingD.has,beendead10.Jack___tothelibrary.He___anhourago.A.hasgone,hasleftB.hasgone,hasbeenawayC.hasgone,leftD.hasbeen,hasgone11.–Howlong___you___ill?--Twoweeksbynow.A.did,fallB.have,fallenC.were,/D.have,been12.I’lllendyouthebike,butyoucanonly__itfortwodays.A.borrowB.lendC.keepD.take1.Yoursisteroftencomeshomelate,_________?2.Youhavelunchatschool,__________?3.Tomwon’tbehometoday,__________?4.Heneverspeakstoyou,___________?5.Pleasesitdown,______________?6.Let’sgotogether,__________?7.Don’tsmokeinthereading-room,__________?8.Whatafineday,__________?9.Peterwenttothelibrarythismorning,________?10.TheTurnersliveinthatstreet,_________?11.Therewon’teanyclassestomorrow,________?doesn’tshedon’tyouwillhedoeshewillyoushallwewillyouisn’titdidn’thedon’ttheywillthere1）lie,laylie躺,卧lie–lay–lain;lying(现在分词)lie撒谎lie–lied–lied;lyinglay放置;下蛋lay—laid—laid;laying2)come，become，overcome(克服)，但welcome属规则动词，其过去式、过去分词为：welcome–welcomed–welcomed3)fly属不规则变化，但flow(流动)是规则变化fly–flew–flownflow–flowed--flowed4)find发现,找到find--found--foundfound创建found–founded—founded5)wind绕,蜿蜒wind–wound–woundwound使…受伤wound–wounded–wounded