表示能够延续的动作。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+ 时间,for 2 yearssince从句,since he came heresince+时间点名词,since last year, since 5 days agohow longfor a long time等。
例:He has lived here for 6 years. You can keep the book for 5 days. I stayed there for 2 weeks last year. How long did you stay there last year?
终止性动词
也称非延续性动词、瞬间动词或点动词,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, finish, come, go, move, borrow, lend, buy,arrive等。
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 agoat 5 o'clock
例:He died 5 years ago.
否定的终止性动词可以与表示时间段的时间状语连用。例:I haven't left here for 3 years. I haven't heard from him for 3 weeks.
1.延续性动词延续性动词表示行为或过程能持久地继续下去或能产生持久的影响。这类动词有:contain,have,hold, lie,live,make,sit,rain,sleep,stand,study,wait, wear,work等。此外,表示状态、感情、思维等动词,如:believe,consider,hate,hope,know,like,love,respect,think,understand,wish等也属延续性动词。要表示状态和延续性动作时必须要用延续性动词。如:
错:This book has been put on the desk for a week.
对:This book has been lying on the desk for a week.
这本书已经在桌子上放一个星期了。
错:Men put on suits when they attend meetings.
对:Men wear suits when they attend meetings.
男人在开会的时候穿西装。
2.非延续性动词
非延续性动词表示行为或过程是短暂的或瞬时间完成的。这类动词有add,admit,answer,arrive,ask, attack,begin,break,bring,buy,catch,close,come, die,discover,fall,do,leave,open,put on,sell, start,stay,stop,return,take off等。要表示非延续性动作时必须用非延续性动词,不可用延续性动词。如:
错:When did she know my e-mall address?
对:When did she get to know my e-mail address?
她什么时候知道我的e-mail地址?
●延续性动词如果要表示瞬时的动作,则需借助come, begin,get等一时性动词。如:
①How did you come to know it?你怎么知道这件事的?
②After lunch it began to rain.午饭后天下起雨来。
③ I can't get used to the wet weather.我不能习惯于这潮湿的天气。