should have done是什么意思?

should've have done.'ve是什么? could have done,should have done ,must have done,的区别是什么... should have done是什么意思? must have done 和 should have done 的表示推测区别?must have done 和 should have done 都表示推测时,区别是什么? would have done和 should have done的区别是什么?意思分别是什么 Could have done would have done should have done should have done这个句型有吗好像是什么虚拟 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, should have done与should have been done的区别? should have done 和should not have done的区别 should ought to have done would have done,might have done,could have done,should have done分别表示什么意思? should have done ,shouldn't have done.could have done,couldn't have done should have done 可以换成 ought to have done嘛? would rather have done 与should have done 的区别 should have done和could have done的区别? 英语：should have done与could have done区别? should have done 和have done有什么区别