He must have come have yesterday ,didn'he?这里的have是什么意思?这句是什么时态?

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He must have come have yesterday ,didn'he?这里的have是什么意思?这句是什么时态?

He must have come have yesterday ,didn'he?这里的have是什么意思?这句是什么时态?
He must have come have yesterday ,didn'he?这里的have是什么意思?这句是什么时态?

He must have come have yesterday ,didn'he?这里的have是什么意思?这句是什么时态?
must have done是固定搭配 表猜测(比较肯定的猜测)
have表示现在完成时
时态是:现完
意思是:他昨天一定来过这里,是么?

must have done 是对过去的推测把握性较大,后面用didn't来反意疑问是因为句子中含有明显过去时间状语yesterday,如果没有明显过去时间状语就还用have't来反意疑问,但要根据句子的主语来确定单复数,主语是 he所以还得改成has't.即:
He must have come ,hasn't he?
你写的句子第二个have(come后面那个)是多余的,肯定是...

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must have done 是对过去的推测把握性较大,后面用didn't来反意疑问是因为句子中含有明显过去时间状语yesterday,如果没有明显过去时间状语就还用have't来反意疑问,但要根据句子的主语来确定单复数,主语是 he所以还得改成has't.即:
He must have come ,hasn't he?
你写的句子第二个have(come后面那个)是多余的,肯定是你抄错题了。

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must have done 表示把握比较大的猜测,一定做了什么事的意思。
至于语态应该还是得算完成时态,但你肯定会质疑后面反义疑问的did't he,请看:
当must用来表示对过去的情况进行“推测”即must have done时,如强调对过去情况的推测,反意疑问句部分要用 didn't
希望可以帮到你...

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must have done 表示把握比较大的猜测,一定做了什么事的意思。
至于语态应该还是得算完成时态,但你肯定会质疑后面反义疑问的did't he,请看:
当must用来表示对过去的情况进行“推测”即must have done时,如强调对过去情况的推测,反意疑问句部分要用 didn't
希望可以帮到你

收起

He must have come have yesterday ,didn'he?这里的have是什么意思?这句是什么时态? he didn't come yesterday,he ______busy working in the lab怎么选must have been?.3Q He thinks that work must come john must have come back yesterday,----?he must have waited here for a long time,------?两句反以疑问句,各该用什么?为什么? 翻译:The Christian believes that man came from above.The evolutionist believes that he must have come from below. if he has time,he must come改错 He _______here since breakfast.A.must come B.must been here C.must come here D.come here选择正确答案 he said he must leave early 此句的同义句可为He said he had got to leave early吗?为什么?有些朋友可能没明白我的意思,我看新概念二册上说,have got to是可以代替must 如:We must leave early tomorrow可变为We ha 完成以下句子,用had to或must have been填空.Example:He is very tired because he had to get up early this morning.He didn't get up early this morning.He must have been tired.1 He didn't come to work yesterday.He ______ ill.2 He didn't come t must与have to的区别例如:1.Bob can not come out to play because he ________help Dad in the garden.A.can B.can not C.has to D.must如何判断用must还是have to --I haven't seen Mike for some time,what---to him?--He's got crazy and has ---hospitalA,should have happened,come inB,can have happened,ended inC,could have happened,come inD,must have happened,likely选哪个?为什么? 英语好的进,关于a lot 和manyLook at his red face,he must have drunk a lot.这名话中a lot可不可以换成many 为什么,而且lot就是大量的意思,为什么前面要加一个a了,he must have drunk a lot这句话为什么要加have ,ha He must have done nothing but ____ where must the puma have come from 其中must have done是什么用法? He must come on time,____ ____?翻译疑问句 Must he come early every day?做肯定否定回答 He must be ill,___he doesn’t come to school. Your dream will come true.She must have been wonderful.