16、sit down—sit/beseated 17、join—be in(…)或be a…member 18、become—be
(2)用it is…since…结构来替换瞬间动词
例如:电影已经开映5分钟了。(两种方法)
(1)the film has been on for five minutes.
(2)it’s five minutes since the film began.
他离开上海已有3天了。(两种方法)
(1)he has been away from shanghai for three days.
(2)it is three days since he left shanghai.
这本书我还给图书馆已有两周了。(一种方法)
it’s two weeks since i returned the book to the library.
他找到他妹妹已有多久了?(一种方法)
how long is it since be found his sister?
4、瞬间动词的否定形式可以与表示一段时间的状语连用
例如:i haven’t seen you for a long time.(好久没见到你了。)
【初中英语现在完成时的用法】相关文章:
★ 关于冠词的用法
★ 人称代词的用法
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