must＋have done 句型must＋have done 表对过去发生事情有把握推测.但是可不可以用must +be 这样的句子来表示?比如说 He must have made it for you.可以变成 He must be made it for you 另外 疑问否定中的can't/could

must have been done must have done need have done ,must have done ,can/could have done ,should have done 的区别是什么?意思是什么?主要用于哪种句型?请分别举例说明, needn't have done用法needn't have done 用法 这是个什么句型?还有别的吗?别如must't have done等 must＋have done 句型must＋have done 表对过去发生事情有把握推测.但是可不可以用must +be 这样的句子来表示?比如说 He must have made it for you.可以变成 He must be made it for you 另外 疑问否定中的can't/could that must have done the 新概念英语2级问题用must be done,can be done,should be done,have to be done,will be done这些句型造句,每种造两个,每种句型各两个 must be must have done 区别 must have been done/must be done求解两者异同 must be done和 must have done区别 must have done和have done有什么区别 have done……when 的句型? must have been与must have done的区别? must have done 的反义疑问句怎么说 He must have done nothing but ____ Must Have Done Something Right 歌词 用Something must be done to句型造十个句子 Ought to have done .must have done.should have done的区别 could have done,should have done ,must have done,的区别是什么...