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must have done否定
must
have
done
和 should have done 的表示推测区别?
答:
都表示推测时,
must
have
done
的可能性更大,可译为“肯定做了”;should have done的可能性稍小,可译为“可能做了”或“应该是做了的”
must
/may/might/could/can/should……+
have
done
的意思?
答:
1)
must
/may/might +
have
done
表对过去动作、事实、状态推测 FOR EXAMPLE:He must have arrived already.他一定已经到了。They may have seen him.他们可能见到过他。They might not have considered me as their friend.或许他们没把我当成他们的朋友。<表示本来或许可以的,但事实已不可能了> Y...
must
have
done
,can have done
答:
must
have
done
一定做过某事(表示对过去发生的事的肯定推测)can have done 可能做过某事(表示对过去发生的事的不确定的推测)如:He must have been there yesterday.他昨天肯定去过那儿。He can have been there yesterday.他昨天可能去过那儿。
must
have
done
与may( might) have done的区别
答:
情态动词+
have
done
表示对过去事情的猜测。
must
have done 一定做过 may have done 可能做过,或许做过 might 与may意思相同,但可能性更小。
过去完成时被动语态反意疑问句怎么改
答:
must
have
done
的反意疑问句 对已发生的过去情况的推测,若陈述句谓语部分有“must have done”,而且有表示过去的时间状语,问句部分用didn't;若没有表示过去的时间状语,问句部分用haven't或hasn't。如:1)They must have gone there last night,didn't they?2)They must have arrived by ...
must
be must
have
done
区别
答:
must
be是对现在情况的肯定推测;而 must
have
done
是对过去发生的事情的有把握的推测
must
have
been与must have
done
的区别?
答:
其实两者在时态都没有什么区别,都是表示过去一定做过某事~但是~
must
have
been强调的是状态 must have
done
强调的是动作~
she
must
have
been forty. 变反意疑问句!求答案!
答:
You must
have
told her about it,haven't you?The old man must have been a Swedish.改否定句 The old man can't have been a Swedish.参考2:.
must的否定
形式表示“禁止/不许”,不能表示推测;mustn't have
done
sth此种形式的确不存在,must have done sth“一定做过某事”的否定形式...
must
/should/shouldn't/needn't/could/couldn't/may/mought+
have
done
有...
答:
Must
have
done
一定做了某事,表肯定推测 should have done 应该做某事,却没做,表现在后悔或惋惜之情 shouldn't ..本不应该做,却做了。。needn't..不需要做,却做了。。could...本可能做,却没做。。couldn't...表示不可能做,却做了。。。(虚拟语气)may...表示可能做了某事。。。
mustn't
have
done
和can't have done的区别最好有例子
答:
首先
have
done
表示已经做过,这点就不用谈了.can't have done 表示以前不可能做某事.例句 ---Where___Margaret have put the empty bottles?---She___them away.They
must
be somewhere.A.can;can't have thrown B.must;must have thrown.C.must;needn't D.can;must throw 答案为A.第一...
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