短暂性动词和延续性动词用法：１、它们可以用于完成时态，说明某个动作的结果还存在．e.g.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．e.g.Ihaven’theardfromUncleWangforalongtime.Wehaven’tseenhimsince1992.Shehasn’tlefthomeallherlife.3、还可改用一般过去时来表达．e.g.Hecamebackaweekago.4、也可用“Itis﹢一段时间﹢since…”句型来表达．e.g.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,快乐学习轻松提分1puton------wear,catch/getacold------haveacold,come/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),close------beclosed,open------beopen,fallasleep------beasleep.巩固练习：（同义转换，每空一词）１.LiLeijoinedthePartythreeyearsago.LiLeithePartythreeyearsago.LiLeithePartythreeyears.threeyearsLiLeijoinedtheParty.ThreeyearsLiLeijoinedtheParty.快乐学习轻松提分22.MyfatherleftGuchenglastweek.MyfatherGuchenglastweek.MyfatherGuchengaweek.3.Thefactoryopenedin1996.Thefactorytenyears.Thefactorysince1996.4.Hisgrandfatherdiedfiveyearsago.Hisgrandfathersince.Hisgrandfatherfiveyears.fiveyearshisgrandfatherdied.Fiveyearshisgrandfatherdied.5.Mr.WangreachedBeijingfivedaysago.Mr.WangBeijingfivedaysago.Mr.WangBeijingfivedays.6.Thefilmbegantenminutesago.Thefilmfor.Thefilmsince.7.Myfatherboughtanewcartwoyearsago.Myfather__________anewcar_____twoyears.Myfather__________anewcar_____twoyearsago.8.Tomborrowedthisbookfourdaysago.快乐学习轻松提分3Tom___________thisbook_____fourdays.Tom___________thisbook_____fourdaysago.9.JimjoinedtheLeaguelastyeas.Jim__________aLeaguemember_____ayear.Jim_______________theLeague_____lastyear.10.TheycametoChinatenyearsago.They_______________China_____tenyears.They_______________China_____tenyearsago.11.Mysonfellasleephalfanhourago.Myson_______________for_______________.Myson_______________since____________________.快乐学习轻松提分4
