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1、shouldn't have done mustn't have done can't havedone 有什么区别

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1、shouldn't have done mustn't have done can't havedone 有什么区别？请举例
2、a second time the second time
3、in good order 和 in a good order 什么区别？
4、作文中可以运用的连词 如 、 因为 但是 所以 有没有什么比较新颖的、
1、shouldn't have done mustn't have done can't havedone 有什么区别
这四道题的答案完全正确.1、A:have been doing 是现在完成进行时,表示已经做了并且还在做的事情.2、B:be said to do sth 据说..3
1、shouldn't have done mustn't have done can't havedone 有什么区别 区别shouldn't have done 和 needn't have done mustn't have done和can't have done的区别 情态动词can't have done 和couldn't have done 有什么区别吗 有mustn't have done这个结构么?表示什么? needn't have done与shouldn't have done的区别? 可用mustn't have done表示对过去的推测吗?若可以,那这个结构与can't have done有区别吗? shouldn’t have done的几个意思 关于shouldn"t have done的用法 couldn't have done和mightn't have done有什么区别 can't have been和can' have done有什么区别 请问shouldn't have done和might not have done 在此题中的区别?