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虚拟语气have done的用法
would/ should+
have
+过去分词,是什么意思?
答:
would/should+have+过去分词,这是虚拟语气的一种用法。would have done表示对过去事情的假设,意思是“本来会做”
。1、have done的用法 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“...
...
have
fooled you.情态动词+完成时形成
虚拟语气用法
,本来可以作但...
答:
表虚拟语气时,
should have done=ought to have done本应该做而没做;would have done本来就会去做而没做;could have done本可以做而没做
;might have done本可能/可以做而没做。表对过去猜测时,must have done一定做过某事,否定形式:cannot have done.例:she must have come here last night...
虚拟语气的用法
。关于would/should/could/might
have
done 的
区别。
答:
一、“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 didn't ask me.我本来会告诉你这个小男孩的故事,但是你没有问我。2. Without your help, I wouldn't have achieved so much.没有你的帮助,...
would/could/must
have
done
在
虚拟语气
中怎么用
答:
对过去虚拟,倒退成过去完成时;对现在虚拟,倒退成过去时;对将来虚拟,也倒退成过去时
(因为一般的条件状语从句遵循“主将从现”的原则,所以从句在不虚拟的时候就是现在时,倒退一个时态,也是过去时,主句跟随这个倒退原则)。这一条讲解,情态动词+have done是怎么来的。先理解虚拟语气从句与主句的意...
情态动词+
have
done
表示什么意思?
答:
情态动词+have done 是一种虚拟语气,和情态动词+动词原形的区别是:
用原型表示事情发生在现在或将来,而用have done ,表示事情发生在过去
。例如,You must be tired now。(你现在一定很累)You must have seen the film。(你一定看过这部电影)指的是你过去一定看过。考试常考这么几种:must ...
would
have
done
, might have done, could have done,should have done...
答:
一、在
虚拟语气
中
的用法
1. should
have
done
表示“过去本应该做某事却未做。”其否定结构 shouldn't have done 表示 “过去本不该做某事却做了。”2. ought to have done 表示“过去本应该做某事却未做。”其否定结构 oughtn't to have done 表示 “过去本不该做某事却做了。”3. need ...
would
have
done和 should have
done的
区别是什么
答:
would/should +
have
+ 过去分词,这是
虚拟语气
的一种
用法
。would have done和 should have
done的
区别是 would have done :表示对过去事情的假设,意思是“本来会做”。should have done:表示对过去事情的假设,意思是“本来应该做”。例句:would have done 1、I asked myself what I would ...
虚拟语气
would
have
done 的用法
答:
当主句与if条件句中的动作都发生在过去时,主句谓语动词就要使用
had
done
形式,if条件句中谓语动词则要使用would
have
done形式 。e.g.If I had worked hard,I would have passed all the exams.当主句以及if条件句中的动作都发生在现在时,主句的谓语动词必须使用did(be动词用were),if条件句动词须...
虚拟语气
中,什么时候用would
have
done
,would do
答:
would
have
done
是对过去的虚拟,would do是对现在或将来的虚拟 第二句正确,“come to the party”是过去发生的事,句子对过去虚拟,所以用would have done 顺带说一句,这句句子是混合
虚拟语气
。如果是正常的虚拟语气句,主句的时态是用过去完成时,但是主句中有明显的时间词yesterday,所以就用了...
would
have
done和 should have
done的
区别是什么?意思分别是什么_百 ...
答:
would/should +
have
+ 过去分词 这是
虚拟语气的
一种
用法
。would have
done
:表示对过去事情的假设,意思是“本来会做”。比如:I would have told you all about the boy's story, but you didn't ask me. 我本来会告诉你这个小男孩的故事,但是你没有问我。should have done: 表示对过去...
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