must have been doing与must have been done都表示推测,有什么区别呀?

有没有have been doing 这个时态?must have been doing呢? must have been doing与must have been done都表示推测,有什么区别呀? MUST have been donemust have been doing must have been +名词must have done以上的区别还有是否有must have been done 的用法 和区别EG1 I must have been sleeping 2 your dress must have been expensive.3 I didn't hear the phone,I must have have been doing sth 写省略句（英语）1.Jack must have playing football and must have been doing her homework must have been done must have done must have/ must have been的区别 when he _____something useful,he wasted his time drawing little pictures.a.must have done b.shall be doing c.should be doing d.should have been doing have been doing 神马意思? what you have been doing has been doing have been done区别 have been doing ,have done和have doing区别 英语have been doing反意疑问句You must have been playing tennis at the time,反意疑问句怎么问?句中有“have been doing，和“at the tiem，不是应该用weren't i has been doing 还是i have been doing I figured you must have been going out of ypur mindhave been doing 在这是什么用法”详细点谢谢 must not have been;could not have 选择：You have been doing washing all the morning.You must be tired,( )you?A.mustn`t B.are C.aren`t D.must must have been与must have done的区别?