瞬间动词在现在完成时态中的用法瞬间动词(也叫点动词、终止性动词、结束性动词、非延续性动词),
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示短暂的、持续时间很短的动作。常用的瞬间动词有以下这些:arrive,begin,borrow,lend,buy,become,come,go,die,join,leave,lose,find,finish,start,stop,see,hear,open,close瞬间动词的肯定式不能与表示一段时间的状语连用:IhaveleftXi’anfor3days.×IleftXi’an3daysago.√Hehasdiedfor5months.×Hedied5monthago.√瞬间动词的肯定式不能与表示一段时间的状语连用,但可以转换为对应的延续性动词后再接段时间状语。leave–beawayfromIleftXi’an3daysago.I’vebeenawayfromXi’anfor3days.come–beElenacamehere5minutesago.Elenahasbeenherefor5hours.comeback–bebackHarrycamebackfromMarsamonthago.HarryhasbeenbackfromMarsforamonth.buy–haveTonyboughtacomicbookaweekago.Tonyhashadthiscomicbookforaweek.borrow–keepAmyborrowedacomicbookfromTonythedaybeforeyesterday.Amyhaskeptthisbookfortwodays.die–bedeadAdolfHitlerdied65yearsago.AdolfHitlerhasbeendeadfor65years.begin–beonThemoviebegan10minutesago.Themoviehasbeenonfor10minutes.