must have done的用法要详细一点,快…………

must have done的用法要详细一点,快………… have done 的详细用法. must have donemust have done 的用法详细说明.可以归结为虚拟语气里面的么?must have been down 是must have down 的被动语态么 情态动词+have+done 的详细用法? should have done .would have done. must have done三者之间的意思和用法上有什么区别? have done的用法要例句I have done。 情态动词加上完成时的意思?could not have done must not have done should not have done would not have done 以及它们的用法? have done 和gave been done的用法last night it must have been rained为什么错 雨是被下的,所以我觉得应该用have been done. have done 的相关用法 英语的几道语法问题求解can/would/must/need +have done各个的用法 情态动词+have done 用法及意义must have done need have done daren't have donecould never have done could have done must have been done must have done must have been与must have done的区别? 有have have done 的用法吗 should/could/must/might have done用法?请详细讲解一下这几种用法和区别,最后举一些例子.最后把它们的否定式意义再讲解一下~ must have done 的反义疑问句怎么说 MUST have been donemust have been doing must have been +名词must have done以上的区别还有是否有must have been done 的用法 和区别EG1 I must have been sleeping 2 your dress must have been expensive.3 I didn't hear the phone,I must have have done和have been done的用法是什么?