问几个短语的区别could have donemight have done should have done

问几个短语的区别could have donemight have done should have done 英语中几个短语的区别 意思.so could Inor could Iso can Inor I could take短语与have短语的区别 问几个英语短语的区别be about to do be going to dobe to do这三个的区别 英语几个单词用法?Tom's parents have spent______money on his education.A.a lot B.plenty of C.quite a few D.a number of这几个短语的用法区别有什么不同?该怎么用? 一些,几个的短语我有几个问题要问你.I have got ()()()questions to ask you. could have done和would have done的区别 should have done和could have done的区别? can have ddone 与could have done 的区别在于? could have done 和 might have done 的区别 could't do 和could't have done还有could do,could have done的区别和用法 谁知道有关have look with 的短语?有的说几个 Could和Can用法的区别,顺便例几个句子 汉译英的几个短语几个短语 couldn't have done与couldn't区别以及当could have done表示对过去的猜测时,could have done与could有什么区别? must have+P.P 与may,might could have +p.p的区别 may have +P.P.might have +P.P .could have +p.P 之间的区别 动词短语 和 短语动词 的区别?（英语）最好举几个例子 详细一点 could have done,should have done ,must have done,的区别是什么...