may have been和may be怎么翻译

may have been和may be怎么翻译 might be和 may have been的区别?还有是might do和 may have done may have been和may be有什么区别?请举例. 请问May be 和May have been 的区别,它们分别在什么时候用? Have been Be请问She may be swedish .和 She may have been swedish.的区别.have been什么意义?谢谢. He may have been busy和He might be busy请问它们的区别?may have been 和might be的区别?请问? may have been 和may have done的区别,特别是may have been doing和may have done的区别,他们都表对过去推测啊? may have been怎么用 请问英文高手,why is he late ,he may be busy .和why was he late,he may have been busy 翻译区别. may have been和 must have been been是不是不仅表示被动? can't have been和can' have done有什么区别或者must have been和must hane done;may have been和may have done you MAY BE HAVE A may,maybe和may be的区别 may 和may be,maybe的用法 maybe may和 may be的用法 and that just may have been the best thing I have seen这里的may have done 什么作用?加了JUST和不加到底有什么区别？may have been 为什么不直接用may be 它们有什么区别？ You may have been in my heart. Mwasures have been taken to solve the problem ,but it may be some time____ t