could be /must be/ should be/would be的区别

could be /must be/ should be/would be的区别 You must be I could be wrong呢？ should be could be must be will be 的用法及区别 It's so cold and you've walked a long way.You___tired.Have a rest,pleaseA.must B.maybe are C.must be D.could be must be must be could be might belong to cant be什么区别 what must be must be! let's hurry. they ________ be waiting for us. A.must B.could C.can D.would It must be she‘s 还是 hers? it could be carol‘s she studies 英语：what 's should be?what's must be?should be 和must be有什么不同 whose pens are these?this one is mine ,the other （must） be Mary's,这里为什么用must?而不是用can,could travelling can be especially funcan be +形容词是个什么用法,表示什么好像还有should be,must be,could be ,may be,might be 一个初中的英语句子问题It must belong to Tony → It must be Tony'sIt could be Tony's → It could belong to TonyIt might belong to Tony → It might be Tony'sIt can't be Tony's → It can't belong to Tony这些句子可以转换 Do you know where your father is?I think he______on the computer A.must chaA.must chatB.must be chattedC.could chatD.could be chatting could ,must do,must be反意疑问句后面分别用什么 what's wrong with your car?A.must be repairB.must be repaired原因是什么 it could be (carol's) book 对划线部分提问 ____ ____ could it be?