虚拟语气could/should/would/might +have done 用法的差别?

来源：学生作业帮编辑：灵鹊做题网作业帮分类：英语作业时间：2024/05/01 01:27:45

虚拟语气could/should/would/might +have done 用法的差别?
1.It's a great pity that you _____ have done such a thing.
A.ought to B.should C.could D.might
2.As I have nothing to do now,I _____ as well go with you.
A.should B.would C.could D.might
3._______ he could late ,give him the message.
A.Should B.Would C.Had D .Did

could have done本来能够做什么,事实上没做
should have done本来应该做
would have done将来可能做
might have done可能做了
1. 很可惜你没做那件事,事实上你能够做的,所以选C
2. might as well 做什么更好,既然我无事可做,还不如跟着你好了
3. B, 对将来时的虚拟,他可能会迟到,告诉他这个消息

虚拟语气could/should/would/might +have done 用法的差别? 虚拟语气中would could should might have done与had done都是表示过去,在用法上有虚拟语气中的could/should/might/would的用法情态动词中 should might could would + have done 与它们在if 虚拟语气中用法有虚拟语气would should could might四个词用法讲解虚拟语气would have done 的用法英语的虚拟语气中should.would.could.might的区别与用法虚拟语气中could,might,should,would的用法,有何区别?什么时候能替代对过去事实的虚拟中的:would /could / should /might + have done 有什么区别? 虚拟语气里对过去的虚拟即should\could\might+动词过去完成时和另一种虚拟语气情态动词+HAVE DONE 区别could,might,would,should have done should/must/would/could/might/may have done的问题!