虚拟语气中的would/conld/should do/have done 与 did/had done有何区别
虚拟语气中的would/conld/should do/have done 与 did/had done有何区别
虚拟语气中had done与would have done,did与would do 的用法有何区别
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
should have done 与would have done有区别吗?有would/should had done
虚拟语气中的would have done 与could have done结构 有什么 区别?什么时候用would什么
英语虚拟语气中sb should /would do(have done) 与主语人称的搭配有什么讲究吗
虚拟语气 should have done 与 could have done
对过去事实的虚拟中的:would /could / should /might + have done 有什么区别?
虚拟语气中,什么时候用would have done,would do
情态动词中 should might could would + have done 与 它们在if 虚拟语气中用法 有
could.should.would+have don 与had done 有什么区别?
would rather have done 与should have done 的区别