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couldn't have done 表示什么

来源：学生作业帮 编辑：搜狗做题网作业帮 分类：英语作业 时间：2024/07/30 03:32:32
couldn't have done 表示什么
Jim!Did you have a good time at the party?
Yes,but I really _____ have because I had a lot of work to do.
A shouldn’t
B couldn’t
注解说是对过去发生的事情的否定猜测用couldn’t have done ,我不明.明明不是参加了吗?不是用shouldn’t have done “本不该”
couldn't have done 表示什么
可以这么想：
could have done是说本来可能做而没有做.那么,couldn't have done就是本来不可能做却做了.
因为有很多工作,本来不能玩得很开心的,却在聚会上玩得很开心.
如果句子是下面这样,就应该用shouldn't.
- Did you go to the party?
- yes.But I really shouldn't have because I had a lot of work to do.
couldn't have done 表示什么 couldn't have done? couldn't have done和mightn't have done有什么区别 情态动词can't have done 和couldn't have done 有什么区别吗 couldn't have done与couldn't区别 couldn't have done,"不可能已经"? they couldn't have done better是什么意思 should have done ,shouldn't have done.could have done,couldn should have done和shouldn't have done,couldn't have 有mustn't have done这个结构么?表示什么? --She couldn't have done that sort of thing. couldn`t have done 不用于虚拟语气 么