must+done

  • must have done,must do,can't have done,can't do的区别
    答:must have done对过去发生的动作很有把握的肯定推测 must do“必须做”,含有一种命令的口吻,语气强 can't have done对过去发生的动作很有把握的否定推测,意为“不可能做了”can't do“不能做”表示不给予许可,语气没有must do强
  • must have done的解释是什么?
    答:must have done 是对过去发生的动作最有把握的猜测,意思是“一定”。例如:走到门外看到地上湿的,便猜“刚才一定下过雨了”,英语就是 It must have rained. 把握差一点的用should;例如地上不是太湿,你猜“刚才应该下过雨吧。” It should have rained. 把握再差一点的用may: It may ...
  • demand后面能用must be done
    答:D 解析试题分析:考察虚拟语气。名词demand后面的同位语从句中要使用虚拟语气,使用should+动词原形;should可以省略。句意:他们收到这个命令,这份工作要立刻被做。故D正确。考点:考察虚拟语气点评:英语中有4——四个表示“要求”的词,require ask tell demand;3——三个表示“建议”的词,suggest ...
  • must和have done的区别
    答:must+have done过去一定做了某事(对过去的事情一种肯定的猜测、推测)。如:He said I must have done something bad to deserve it.他说我肯定是罪有应得。That car must have cost a packet.那辆汽车一定花了一大笔钱。I think we must have taken a wrong turning somewhere.我觉得我们一定...
  • must have done什么意思
    答:情态动词+动词完成时,即情态动词+have+done.表示对过去的行为或动作进行推测,评论或者判断.1.must have done.表示对过去某事的肯定猜测,其否定或疑问形式都用can/could来表示。例如:since the road is wet,it must have rained last night.2;当然对现在发生或者将来发生的事情,要用must do表示猜测...
  • must have done是什么意思?
    答:“must have done”通常指过去发生了某件事情并且很可能被认为是真实的或必然发生的。它表示对某个事件的推断或假设,并不一定意味着它确实发生了。
  • must have done后面跟什么?
    答:包括四种常用用法,must have done sth.、can/could have done sth.、can't/couldn't have done sth.、ought to/should have done sth.。一、must have done sth.一定做某事。表示对过去事情的较有把握的推测,这时只能用在肯定句中,“肯定/必须已经干过…”,在否定句和疑问句中用can't或...
  • must have done什么意思
    答:must have done 网络 对过去的推测; 表示对过去的推测; 肯定已经做了; 过去一定做过某事; 一定 1 A mature performance which must have done his career prospects a world of good 肯定为他的事业打开了一片坦途的成熟表演 2 The man must have done something right, more right than all ...
  • must have done的问题?
    答:"Must have done"通常被称为虚拟完成时,表示过去某个时间发生的事情。在这种情况下,"must"表示说话者对事情发生的推测或假设,而"have done"则表示发生在过去的动作或事件。当使用"must have done"时,它通常暗示过去的时间,但并没有具体指明。因此,它可以用于现在完成时的某些情况下,例如:对于...
  • must与must have done 的区别是什么?
    答:must是必须的意思,must have done是对过去发生的事的肯定推测,表示某事一定发生了

  • 网友评论:

    端治14757538610: must+have done 句型 -
    28984延卖 : 不能用must be done的形式.因为must have done强调的是动作已经完成. can't和couldn't是可以通用的,但是后者的语气较委婉.

    端治14757538610: should have done;must have done;need have done;could have done的区别是什么? -
    28984延卖 :[答案] 一、 “must+have+done”表示对过去事情的肯定推测,译成“一定做过某事”,该结构只用于肯定句.1.It must have rained last night,for the ground is wet.昨晚一定下雨了,因为地面还是湿的.2.You must have been mad ...

    端治14757538610: Have/Has been done 与Have/Has done 到底有什么区别啊 -
    28984延卖 : 1、一个是被动语态,一个不是.Have/Has been done是完成时态的被动语态 例如:the clothes have been washed already.衣服已经被洗了.2、Have/Has done单纯的完成时态 例如:I have washed the clothes already.我已经把衣服洗了.扩展资...

    端治14757538610: must do表示什么?有没有must done这种用法? -
    28984延卖 :[答案] must do 表示必须做某事 没有must done的,因为must 是情态动词,后面必须加动词原形

    端治14757538610: 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? -
    28984延卖 : 1.should/ought to have done的含义. “should/ought to have+过去分词”表示“过去应该做谋事却没有做”; “should not/ought not to have+过去分词”表示“作了不应该做的事”.含有责备或遗憾的意思.例如: You shouldn't /oughtn't to ...

    端治14757538610: must的反义疑问句 是mustn't还是don't -
    28984延卖 : 这个分情况哒,不用情况用不一样的~ 当陈述部分有情态动词must,问句有4种情况: (1)mustn't表示“禁止,不可,不必”时,附加问句通常要用must. You mustn't stop your car here,must you? 你不能把车停在这地方,知道吗? (2)must表...

    端治14757538610: Must后面必须跟动词原形吗 -
    28984延卖 : 对.情态动词后加原形

    端治14757538610: could have done与would have done 的区别是什么?
    28984延卖 : 答:同学你好,请看他们的区别 “would+have+done”虚拟语气,表示对过去事情的假设,意思是“本来会做”. 1. I would have told you all about the boy's story, but you ...

    端治14757538610: could have -
    28984延卖 : 1.could have done的意思是“本可以做某事(而实际上没做)”.句型:Sb could have done sth, but + 一般过去时.的意思为:某人本可以做某事的,但(实际情况是)…….由于后句讲述的是真实情况,故用一般过去时. 我乱弄个句子:You ...

    端治14757538610: must 的句型 -
    28984延卖 : 一、情态动词的意义及构成:情态动词用来表达说话人的语气和态度,如命令、劝告、建议等.初中阶段要求掌握的情态动词有:can, could, may, must, have to, need, shall, should, will, would 等.情态动词有以下两个特点:1. 本身有一定的意...

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