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might have done
情态动词加
have
done
表示过去 主语是单三时,have需要变为
has
吗?_百度...
答:
have
done
:可用于肯定句、否定句或疑问句,表示责备或遗憾等,意为“本来应该……”。5.need + have done:用于否定句或疑问句,用于否定时意为“本来不必”,用于疑问句时意为“有必要……吗”。6.
may
+ have done:用于肯定句或否定句,表示推测,意为“可能(已经)……”。7.
might
+ have d...
must后面接
have
done
吗
答:
He can't
have
missed the way. I drew him a map. 他不可能迷路。我(当时)给他画了张图。“The dictionary
has
disappeared. Who could have taken it?” 词典不见了,(过去)谁可能把它拿走了?2.
may
/
might
have
done
may / might have done 表示“过去可能做了某事”。may 比 ...
几个情态动词的用法should
have
done
can have donewould have done等...
答:
情态动词+
have
+过去分词 除should外,
may
,
might
,must,couldn’t,needn’t,ought to等都可以用于这一句型,但要注意,使用不同的情态动词,句子的意思就有所不同.表示对已发生的事情进行推测,就表示的可能性程度而言,must最大,could其次,may更次之,might最小.must + have
done
表示对过去情况的推测,...
有英文高手知道吗?would
have
done
和would do的区别,
答:
would
have
been/
done
本应是/做…不是对将来事情的推测,而是表示与过去事实相反的情况,虚拟语气。———表示与过去事实相反的情况的虚拟语气构成:从句:
Had
+过去分词,主句:Should/would/could/
might
have done。例If I
had
got there earlier, I should/could have met her. 如果我早到那儿,我...
may
和
might
的区别是什么
视频时间 04:12
情态动词加
Have
done
用法
答:
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 to speak to the servant. 你和仆人说话,一定是发疯了。 二、...
请问could
have
和
might
have的用法区别!
答:
could
have
表示本能够去做的事,但是没做到。
might
have 表示可能能做到的事,但没做到,如 I could have lent you the money but I have just bought a house and spent all my money.He might have helped ...
may
和
might
有什么区别吗
答:
may
与
might
的区别为:意思不同、用法不同、侧重点不同。一、意思不同 1、may:(有可能但不肯定)也许,可能。2、might:(may的过去时,用于间接引语)可能,可以。二、用法不同 1、may:may可表示可能性,意为“可能,也许”。它后面可接不定式的完成式或进行式表示“或许已经,或许正在〔将要〕”等...
shall should
may
might
can could must虚拟语气的用法与区别比较_百 ...
答:
must
have
done
: 表示对过去动作的肯定推测,常译作“一定做了……”,只能用于肯定句中。其否定形式为can’t/couldn’t have done� 疑问式为Can/Could...have done?。 could /
might
have done:表示对过去发生的动作的可能性推测,常译作“可能做了……”。如: 1) My sister met him at the Grand ...
求教几组词用法区别SHOULD
HAVE
DONE
COULD HAVE DONEWOULD HAVE DON...
答:
—What
has
happened to George?—I don't know.He
may
have
got lost.—乔治发生了什么事?——我不知道,他可能迷路了.六、 “
might
+have+
done
”表示对过去事情的推测,might与may意思相同,但可能性更小.多用于虚拟语气结构中.1.He might have given you more help,even though he was busy....
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