He might have been a policeman,wasn't he?Mr Green must have been punished for his being rude at yesterday's meeting,didn't they?请问这两句都是对过去情况的推测而且谓语部分有情态动词+have+done也没有表示过去的时间状

___to the doctor right away,he might have been alive.A.If he went B.Were he gone C.Should he have gone D.Had he gone He ____ to your home,because he didn't know your address.A must have beenB mustn't have beenC couldn't have beenD might have been 这题答案是D,但我选了C,31 Bob _____to New York before .He seems to know everything about the place A can have been B should have been C might Have been D must have been He may have been busy和He might be busy请问它们的区别?may have been 和might be的区别?请问? David didn't tell his wife that be had been fired, but he-----A might have to Bshould have 为什么选B I still haven't got the letter he sent to me a week ago.I wonder if the letter___ wrongly delivered[A] might be [B] might have been[C] should be [D] should have beenAnd reason,please.Thanks. 怎样理解这个句子where others might have been satisfied ,he had higher ambiti 英语翻译I dont know whether he was doing a schtick,but he looks like he might have been phoning it in.And Anne Hathaway looked a little earnest for my taste.其中的he might have been phoning it in.和 She is earnest for my taste..在这个语 -Tom graduated from college at a very young age .-Oh,he ——a very smart boy then .A、must have been B、might be C、should have been D、could be 语法题目请分析为什么不选A谢谢“Have u seen David recently?No.I guess he ( )away on vacation.A.must has beenB.must beC.might have been D.may has been He___the truth.Otherwise he might have known it was Tom who had taken his place.A.should have been told B.shouldn't have been toldC.couldn't have been told D.must have been told答案应该选C,为什么?请说明原因, might have been 和 cound have been的区别 Hardware changes might not have been detected Although he isn't family,he might as well have been family.这句话什么意思,拜托解释一下,谢啦. 翻译 He said he might repair my watch this afternoon,so it might have been repaired if I go in onmy way home early in the evening 请问虚拟语气中might的用法?The orders might have been withdrawn earlier,except for a number of events. 1、 What___to you these days?A have been happened B have happened C has happened D are happened2、He __you more help,even though he was very busy.A.might have given B.might give C.may have given D.may give John passed the exam,although he didn't study very much for itThe exam _______ difficult.A.can't have beenB.must have beenC.couldn't be D.might have been选哪一个 为什么