延续性动词与非延续性动词及其转换.ppt

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。,如:learn,work,stand,lie,know,walk,keep,have,wait,watch,sing,read,sleep,live,stay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:for+一段时间,for2years;since从句,sincehecamehere;since+时间点名词,sincelastyear,since5daysago;howlong;foralongtime等。?、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:open,die,close,begin,e,go,move,borrow,lend,buy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;at5o'clock;例:。例:Ihaven'':leave---beaway,borrow---keep,buy---have,begin/start---beon,die---bedead,finish---beover,join---bein+组织机构,beamemberof+组织机构,opensth---keepsthopen,fallill---beill,getup---beup,catchacold---ehere---behere,gothere---bethere,e---eback---beback,fallasleep---beasleep,getto/arrive/reach---be(in),leave---beawayfrom,gettoknow---know,go(get)out→beout,puton→wear;catchacold→haveacold等。例:Theoldmandied4yearsago.----Theoldmanhasbeendeadfor4years.----Itis4yearssincetheoldmandied.----.-----.----:,'