has been done是什么意思
答案:4 悬赏:0 手机版
解决时间 2021-03-15 05:05
- 提问者网友：骨子里的高雅
- 2021-03-14 08:39
它与had been done有什么区别
最佳答案
- 五星知识达人网友：西风乍起
- 2021-03-14 08:46
has been done是现在完成时现在已完成，had been done是过去完成时 过去已完成。
全部回答
- 1楼网友：零点过十分
- 2021-03-14 12:10
已完成
- 2楼网友：洒脱疯子
- 2021-03-14 11:17
has been doing 用于现在完成进行时，表示动作的持续性 had been done 过去完成时的被动语态 has/have been done 现在完成时的被动语态 has done 现在完成时 had done 过去完成时
- 3楼网友：山河有幸埋战骨
- 2021-03-14 10:19
Tom: Hi, Mary, how about your homework? Thursday is the due day.
Mary: Hi, Tom, I have finished them all. What about you?
..........
Lily: Tom, can I ask you some questions about the physics paper? I can't work them out.
Tom: Oh, I'm afraid I can't help you. I haven't done it yet. You can ask Mary for some help. She just told me she had finished all the homework.
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