延续动词延续动词与与非延续动词非延续动词 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
延续性动词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+一段时间 , for 2 years; since 从句 , since he came here; since+ 时间点名词 , since last year, since 5 days ago; how long; for 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
非延续性动词也称终止性动词、瞬间动词、短暂性动词 , 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 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 ago; at 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 wee