i must have a ipad 对还是i must be have a iPad 正确?哪个对?

i must have a ipad 对还是i must be have a iPad 正确?哪个对? I must have a problem i think he must have been a mechanic,中的must和have been是什么词啊? 1.I didn’t hear the phone.I ___ asleep.A.must beB.must have been Oh dear,i must have catched a cold! 英语翻译i must have left the camera in a shop I must have a problem 用中文读出来 i believed that we must have a happy future i must have a ideas in my heart for ever there is something wrong with my iPad.I have to have it____at once You__me,beause i did not say that.A.must have misunderstood B.must misundertand That must have been a terrifying experience.Yeah.i ____in the damaged car,unable to move.A.waswas stuck B.had been stuck must have done是对过去的假设,这句不是过去的过去吗?选B? I can't find my umbrella.You __________it in the office.A.must have forgotten B.must have left C.must leave D.must forget Guess what!I have got A for my term paper!Great!You _____ read widely and put a lot of work into it.A.must B.should C.must have D.should have我知道应该是选A或者C,must have是对过去情况的肯定推测got A算不算过去的事?应该 I didn't hear the phone,I___out,A .must be B,must have gone C.must go I have a toothache.I must see a dentist的同义句转换 I have a toothache today,I must see a dentist now我这样写对吗? 英语翻译--You didn't invite Anna?--______her,too?A Should I have invited B Must I have invited C Must I invite D Should I invite