关于must have been的用法must have been用法是作对过去的事情猜测,例如she must have been a singer但是如果有一句话是这样,he must have noticed me,我应该翻译成“他曾一定是注意到我了”还是翻译成“你本

must be的用法和must have been的用法是什么? can't have been和must have been每一个的用法 must have/ must have been的区别 关于must have been的用法must have been用法是作对过去的事情猜测,例如she must have been a singer但是如果有一句话是这样,he must have noticed me,我应该翻译成“他曾一定是注意到我了”还是翻译成“你本 have been 的用法? 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 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 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 been+adj的用法 have ever been 的用法? have been on的用法 must have been与must have done的区别? He must have been的用法.He must have been它的后面可以跟哪几种类型的词语?如果我想要表达“那时他一定在家里”。He must have been at home.must have been 有must had been 这种说法吗？如果有表达的又是什么 英语翻译1.you must have used...2.you must have been used...3.you must have been using...以上三种情况哪个是标准的用法?以上说的均是对过去的猜测 I' m sure he must have been sleeping at the moment 的反义疑问句 have to,must ,gotta的区别?用法! 关于MAY HAVE BEEN的用法当它表过去时,为什么不用变成MIGHT HAVE BEEN have been to和have gone to 的区别和用法!关于”语法”方面”意思”方面”用法”方面等