He must have been here yesterday,( 改为反义疑问句为什么

He must have been ill,___ he?如何变反意疑问句 i think he must have been a mechanic,中的must和have been是什么词啊? He looks tired,he _______ too little sleep.A must have had B must have C must have been He must have been here yesterday,( 改为反义疑问句为什么 he must have been mistaken 帮助翻译一下 he can't haue been a dcntist.he must have been a doctor.翻译下 must be和must have been有什么区别he must have been sleeping.为什么这里要用must have been而不用must be He can't find his key.He ---------- them.A.must lost B.must have been lost C.must have lost translate please :He must have had an accident,or he would have been here then. he must have had an accident,or he should have been here then.求详解 He can't have been.He must have been.不是说单三用has吗?这里怎么用的have? He must have been away 哪个是情态动词 是must还是have同上 he must have gone to Japan,_____he?he must have been to Japan,_____he?he must have gone to Japan last week,_____he?he must have been to Japan last week,_____he? he must have done it yesteraday,――?he must have done it for 2 years ――?he must have done it yesteraday,――?he must have done it for 2 years ――?he must have been here yesterday――?he must have been here for 2 years――?这几个反 he must have done it yesteraday,――?he must have done it for 2 years ――?he must have done it yesteraday,――?he must have done it for 2 years ――?he must have been here yesterday――?he must have been here for 2 years――?这几个反 He must have been sent to the hospital 改反意疑问句是didn't he 还是 wasn't he 高中反义疑问句He must go now,_____?He must be in the hospital,___?He must have been in the hospital.____?He must have gone to the hospital last night,_____?He must have been in the hospital last night,______?He must have gone to the hospital,_ he-----blind not to see that car cominga can hve been b will have been c may have been d must have been