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：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, 如 ：for 2 years; since从句, 如 since he came here; since+过去时间点名词, 如 since last year, since 5 days ago. 例: He has lived here for 6 years. You can keep the book for 5 days. 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: open, die, close, begin, finish, come, go, move, borr
