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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,等延续性动词可以与表示时间段的状语连用wait,watch,sing,read,sleep,live,stay表示时间段的短语有()一段时间,如()从句,如l for+for2years;2since sincehe过去时间点名词,如例came here;since+since lastyear,since5days agOoHe haslivedhere for6years.You cankeep thebook for5days.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等:open,die,dose,begin,finish,come,go,move,borrow,lend,buy非延续性动词在肯定句中与表示时间点的状语连用,如two years ago;at50doek;例He died5yearsago.三.延续性动词与非延续性动词之间的转换(考试重点)例He leftfive minutesago.=He hasbeen awayfor fiveminutes.这句话的意思是指他离开的动作是分钟之前发生的,是过去时也就是说从5他离开到现在已经有五分钟了,这个动作是延续的,要用现在完成时,并且要把原来的短暂性动词改为延续性动词一些短暂性动词及相应的延续性动词arriveget to/reach-be hereinbeginstart—be ondie-be deadcomehere backbe herebackleave-be awayfromfall illsick9asleep-be illsick9asleep一一get upbe upgo/get out there beoutthere或finish-be overputon-wear beon或组织机构open—be openkeep sth.openjoin-be inbe amember of…+close—be closedgoto schoolbe astudentborrow-keepbuy/get-have catchacold—havea cold一get toknow-know beginto study-study come to work—work moveto-live inHnishbe overcometo-be insit down-be seatedmarry-be marrieddress-be dressedbecome—be。