was being done和has been done的区别

答案:4 悬赏:30 手机版

解决时间 2021-03-31 08:06

提问者网友：咪咪
2021-03-30 22:34

最佳答案

五星知识达人网友：上分大魔王
2021-03-30 23:07

1. was being done 为过去进行时的被动语态：正在被......
The bridge was being built at this time last year.
去年的这个时侯这座桥正在被修建。
2. has been done 为现在完成时的被动语态：已经被......
The book has been finished already.
这本书已经被写完了。

全部回答

1楼网友：迟山
2021-03-31 01:38

was being done 是被动语态的过去进行时态,是说某件事情在过去的一个时间点正在被做
has been done 是现在完成时的第三人称单数做主语的形式
例如：
The research was being done when the professor went into the lab last night.
The research has been finished.
希望对你有帮助
望采纳

2楼网友：轮獄道
2021-03-31 00:24

was being done是指过去进行时的被动语态
has been done是指现在完成时的被动语态

3楼网友：春色三分
2021-03-31 00:14

was being done : [过去进行时] 的 [被动语态]
Tom was doing the homework. => The homework was being done by Tom.
has been done : [现在完成时] 的 [被动语态]
Tom has done the homework. => The homeowrk has been done by Tom.

我要举报

如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！