求两组英语句型的解释could have done 和 couldn't have doneshould have done 和 shouldn't have done

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求两组英语句型的解释couldhavedone和couldn''thavedoneshouldhavedone和shouldn''thavedone求两组英语句型的解释couldhavedone和coul

求两组英语句型的解释could have done 和 couldn't have doneshould have done 和 shouldn't have done
求两组英语句型的解释
could have done 和 couldn't have done
should have done 和 shouldn't have done

求两组英语句型的解释could have done 和 couldn't have doneshould have done 和 shouldn't have done
could have done一般是指原本有能力可以做某事,结果没做成.往往是现在对过去的懊悔.couldn't have done指不可能做某事,是表示否定的猜测.
should have done 本应该做某事的,现实情况是没有做 shouldn't have done本不应该做的事,现实情况是做了

做得了和做不了（偏重于能力方面）
应该做和不应该做（偏重于应不应该和能力没有关系）

could have done可能做了某件事，表猜测的和 couldn't have done 不可能做了某事
should have done 本应该做某事的，现实情况是没有做 shouldn't have done本不应该做的事，现实情况是做了
都是关于情态动词表推测的用法

求两组英语句型的解释could have done 和 couldn't have doneshould have done 和 shouldn't have done I will have some made 这个句子will have 的句型是不得不的解释吗? 英语be 、can、 do、 have 句型的语法 need have done ,must have done ,can/could have done ,should have done 的区别是什么?意思是什么?主要用于哪种句型?请分别举例说明, 我可以教给孩子们很多知识用英语怎么说用 I WISH I COULD 的句型英语句型“Would you mind...和Could you please...”的区别这个句型改怎么解释?Could I have any meat?中的meat为什么要换成some,some不是用于陈述句吗?这该怎么来理解? Can/Could you please句型的用法英语将来时句型be　going　to的句型中可以有have呢还是there　be　going　to句型中不能有have? 英语上总共有几种句型啊,求【详解】!每种的句型的解释和应用! 英语的强调句型英语的句型转换, 初二的英语句型英语的句型有哪几种英语的所有句型英语的全部句型? 英语的从句句型英语的句型转换,