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1、短暂性动词延续性动词Module4Unit3短暂性动词也称做终止性动词、非延续性动词或瞬间动词，表示动作不能延续，只是一瞬间就结束的动作。常见的短暂性动词有：come,go,arrive,reach,see,hear,close,open,leave,begin,start,lose,buy,fall,join,die,become,borrow,getup等。用法：１、它们可以用于完成时态，说明某个动作的结果还存在．Hehascomeback.Thefilmhasbegun.2、这类动词不能和表示一段时间的状语连用，但在否定句中，非延续性动词也可以用表示一段时间的状语来修饰．Ih
2、aven’theardfromUncleWangforalongtime.Wehaven’tseenhimsince1992.Shehasn’tlefthomeallherlife.3、还可改用一般过去时来表达．Hecamebackaweekago.4、也可用“Itis﹢一段时间﹢since…”句型来表达．Itisaweeksincehecameback.非延续性动词可以转换成延续性动词，主要有以下几种：①、用相应的延续性动词；buy------have,borrow-----keep,puton------wear,catch/getacold------haveacold,co
3、me/go/become------be.②、转换成be﹢名词;jointheParty------beaPartymember,jointhearmy------beasoldier,gotoschool------beastudent.③、转换成be+介词短语:gotoschool------beinschool,jointhearmy------beinthearmy.④、转换成be+adj./adv.:die------bedead,finish------beover,begin/start------beon,leave(…)------beaway(from),clo
4、se------beclosed,open------beopen,fallasleep------beasleep.巩固练习：（同义转换，每空一词）１.LiLeijoinedthePartythreeyearsago.LiLeithePartythreeyearsago.LiLeithePartythreeyears.threeyearsLiLeijoinedtheParty.ThreeyearsLiLeijoinedtheParty.hasbeeninsincehasbeeninforIt’ssincehaspassedsince2.MyfatherleftGuchenglas
5、tweek.MyfatherGuchenglastweek.MyfatherGuchengaweek.3.Thefactoryopenedin1996.Thefactorytenyears.Thefactorysince1996.hasbeenawayfromsincehasbeenawayfromforhasbeenopenforhasbeenopen4.Hisgrandfatherdiedfiveyearsago.Hisgrandfathersince.Hisgrandfatherfiveyears.fiveyearshisgrandfatherdied.Fiveyearshi
6、sgrandfatherdied.hasbeendeadfiveyearsagohasbeendeadforIt’ssincehaspassedsince5.Mr.WangreachedBeijingfivedaysago.Mr.WangBeijingfivedaysago.Mr.WangBeijingfivedays.6.Thefilmbegantenminutesago.Thefilmfor.Thefilmsince.hasbeeninsincehasbeeninforhasbeenontenminuteshasbeenontenminutesago7.Myfatherboug
7、htanewcartwoyearsago.Myfather__________anewcar_____twoyears.Myfather__________anewcar_____twoyearsago.8.Tomborrowedthisbookfourdaysago.Tom___________thisbook_____fourdays.Tom___________thisbook_____fourdaysago.hashadforhashadsincehaskep
