99问答网
所有问题
当前搜索:
could have done
帮忙一下,请告诉我
could
have
done
的意思?
答:
could
have
done
和should have done 是指本该做的事情而没做。比如:I could have finished my homework.意思是我本该完成作业的,但是由于某种原因而没完成。相反 should not have done 或者could not have done 的意思是本不该做的,而做了。比如我本不该辞职的,意思是我已经辞职了 ...
could
have
done
与could do区别
答:
could
have
done
与could do区别 因为是已经过去了的事情,所以用could,而非can;因为是完成了的事情,是完成时,所以要用have。简单地说因为是上个星期,而且是事情已完成,用过去完成时! 另一种解释:这是without引导的隐蔽形虚拟语气,和过去事实相反的,用could+现在完成时。could have done和...
could
have
been
done
,could have done各有什么意思
答:
could
have
done
什么意思 could have done 本来能做成的(却没做成) 双语例句 1. But we could have done it all so much better. 但是,我们本可以把这一切做得更好。 2. If you do a good job, you may tell yourself that it wasn’t good enough or that anyone could ...
could
have
done
和 might have done 的区别
答:
could
have
done
表示“过去本能够做某事却未做。”例句:Whoever could have done such a dreadful thing?究竟是谁能干出这种可怕的事呢?might have done 表示“过去本可以做某事却未做。”例句:She rubbed away a tear angrily, the way Arya might have done it.她气愤地抹去眼泪,艾丽娅抹...
could
have
done
和 might have done 的区别
答:
could
have
done
1.本可能做.,而实际上未做; 2.有可能做过某事,可能性较大 might have done 有可能做过某事,可能性较小.would have done 常用在虚拟语气中,表示对过去情况的虚拟,意为会做某事,其实未做; should have done 结构也是一种虚拟,表达一种责备或内疚的语气,意为,本应该做某事...
could
have
done
是什么时态
答:
have
done
是现在完成时态(过去发生的动作对现在造成的影响);
had
done是过去完成时态(过去发生的动作对过去造成的影响)。例句:She
has
been sweeping the street all day. She is too tired.她一整天都在扫大街,她太累了。 扩展资料 完成时态的构成分为两部分:一是助动词,二是实义动...
should
have
done
could
have done;might have done 有什么区别_百度知 ...
答:
should
have
done
:本应该做而没做某事,强调“本来应该”;
could
have done:本可以做却没做某事,强调“本来可以”;might have done: 可能已经作了某事,强调猜测.前两个都是假设,是与实际情况相反的假设.第三个是猜测.除此之外,should have done还明显含有懊悔或责怪之意.举例来讲:小明把家里的钥匙...
关于这个句子的时态
答:
could
+
have
+
done
这种为情态动词后面加完成时的结构 could+have+done”是虚拟语气,表示对过去事情的假设,意思是本来能够做某事而没有做。例如:You could have passed the exam, but you were too careless. 本来你能够通过考试,但是你太粗心。在告诉楼主其他类似的用法吧 1.“must+have+done”表示...
为什么
could
have
done
可以译为“本来可以…”而不是表示过去将来完成时...
答:
2. There is nowhere to find them. Where can they
have
gone? 到处找不到他们,他们可能到什么地方去呢?四、 “
could
+have+
done
”是虚拟语气,表示对过去事情的假设,意思是本来能够做某事而没有做。He could have passed the exam, but he was too careless. 本来他能够通过考试,但是他太...
couldn't
have
done
和
could
have done
答:
前者是否定,后则是肯定.
could
have
done
表示“过去本能够做某事却未做。”couldn't have done 没有虚拟语气的用法 ,表否定推测,“不可能做过某事”
<上一页
1
2
3
4
5
6
7
8
9
10
下一页
尾页
其他人还搜
could have been doing
BBC关于could have done的
would could should的区别
could的用法条件从句
could have been done
would表虚拟语气的用法
should would could might
must have done 的反义疑问句
could not have done