should have done可以省略成should have 或should吗 should have been可以省略成should 或 shouil haveshould have done可以省略成should have 或should吗should have been可以省略成should 或 shouil have

should have done可以省略成should have 或should吗 should have been可以省略成should 或 shouil haveshould have done可以省略成should have 或should吗should have been可以省略成should 或 shouil have should have done 可以换成 ought to have done嘛? should have done 和should都可以表示竟然吗 should have done是什么意思? should have done 可以表示对过去的推测 Could have done would have done should have done were/was to have done 可以代替would/should have done 或者是不是只有were to have done 存在?没有was to have done 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 用法中的have可以省略吗?完整的题目是：John repeated his suggestion that the meeting____ .A.to be put offB.be put offC.been put offD.being put off这题应该选什么呢?为什么?have真的可以省略？为什么啊 什么时候的should可以省略 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