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和may be怎么翻译 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 might be和 may have been的区别?还有是might do和 may have done may have been和 must have been been是不是不仅表示被动? 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? 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 have been in my heart. 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. 在英语里coms been、must been和may been和come have been、must have been和may have been的区别?请举例!哪些词是宾语、定语、介词,请举例!coms应该是comes 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 do和may have done的区别 may not have been...与 may have not been ...We may not have been proved great adventurers,but have done the greatest march ever made in the past ten years.可以说成We may have not been proved great adventurers ... 有must/could/can/may/maight have been done吗 翻译:Human error may have been a contributing factor may have done和may have done 的区别RTmay have done和might have done 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.