请问May be 和May have been 的区别,它们分别在什么时候用?

请问May be 和May have been 的区别,它们分别在什么时候用? may have been和may be怎么翻译 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? 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. might be和 may have been的区别?还有是might do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 may have been和may be有什么区别?请举例. 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. i have a fever.---( )you should drink lots of water.a.may b.be c.may be d.maybe may be maybe和may be区别? 请问possible,probably,may,might,may be,maybe,的区别 everyone may be have是啥意思 英语翻译A.may be B.can be C.maybe D.must其实也就是 may be 和maybe的区别 may be 和have to be 应该怎么样?为什么句子里有BE