情态动词中 should might could would + have done 与它们在if 虚拟语气中用法有

来源：学生作业帮编辑：灵鹊做题网作业帮分类：英语作业时间：2024/04/20 21:36:14

情态动词中 should might could would + have done 与它们在if 虚拟语气中用法有何关系?

should have done“本应该做某事”
might have done“可能做过某事”
could have done“本可以做到某事”
would have done“本愿意做某事”
都是表示与过去事实相反.if条件句中的虚拟基本含义相同,只是要注意主从句时态一致.

情态动词中 should might could would + have done 与它们在if 虚拟语气中用法有虚拟语气中would could should might have done与had done都是表示过去,在用法上有关于虚拟语气在虚拟语气的主句中,would/could/should/might这几个情态动词可以互换吗? 虚拟语气中would,should,might,could有什么区别虚拟语气could/should/would/might +have done 用法的差别? 英语的虚拟语气中should.would.could.might的区别与用法虚拟语气中could,might,should,would的用法,有何区别?什么时候能替代虚拟语气中的情态动词帮忙解决下would,should,could,might等在虚拟语气句子中的区别. 虚拟语气里对过去的虚拟即should\could\might+动词过去完成时和另一种虚拟语气情态动词+HAVE DONE 虚拟语气中的两个问题1.should,could,might,would的区别,注意是在虚拟语气中2.if条件的倒装中n 英语虚拟语气主语+would/should/could.动词原形 / have+pp 中would/should/cou should、would、could在虚拟语气中有什么区别?

情态动词中 should might could would + have done 与 它们在if 虚拟语气中用法 有