短暂的,因为完成就是结果性的、瞬间的动作。
1、 延续性动词
也有人叫它持续性动词,它表示能够延续的动作,这种动作可以长时间延续下去或产生持久的影响。英语中的延续性动词比较多,如study, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay等。
He worked all day in the fields. 他在地里干了一天。
I waited for you for an hour. 我等你等了一个钟头。
He stayed in London for over a month. 他在伦敦待了一个多月。
He watched them eating. 他瞧着他们吃饭。
2、 非延续性动词
非延续性动词,也有人叫它终止性动词、短暂性动词、瞬间动词,它表示不能延续的动作,这种动作发生后立即结束。这类动词常见的有begin, buy, close, come, die, fail, find, finish, go, join, kill, leave, lend, lose, sell, start, stop, borrow等。如:
They reached the village in the afternoon. 下午他们抵达那个村子。
I haven';t finished the work yet. 这项工作我还没有干完。
She stood up and left the room. 她站起身走出房去。