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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learnworkstandlieknowwalkkeephavewaitwatchsingreadsleeplivestay等延续性动词可以与表示时间段的状语连用表示时间段的短语有1for+一段时间,如for2years;2since从句如sincehecamehere;since+过去时间点名词,如sincelastyearsince5daysagOo例:Hehaslivedherefor6years.Youcankeepthebookfor5days.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:opendieclosebeginfinishcomegomoveborrowlendbuy等非延续性动词在肯定句中与表示时间点的状语连用,如twoyearsago;at5oclock;例:Hedied5yearsago.三.延续性动词与非延续性动词之间的转换考试重点例Heleftfiveminutesago.=Hehasbeenawayforfiveminutes.这句话的意思是指他离开的动作是5分钟之前发生的,是过去时也就是说从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arrivegetto/reach一behereinbeginstart—beondie一bedeadcomehereback一beherebackleave—beawayfromfallillsick9asleep-beillsick9asleepgetup—beupgo/getoutthere—beouttherefinish—beoverputon一wear或beonopen—beopenkeepsth.openjoin-bein或beamemberof…+组织机构close—beclosedgotoschool一beastudentborrow一keepbuy/get一havecatchacold—haveacoldgettoknow-knowbegintostudy一studycometowork—workmoveto一liveinHnish—beovercometo—beinsitdown—beseatedmarry一bemarrieddress一bedressedbecome—be。