关于He can't be at home,isn't he?此句是否为反义疑问句?请问和He isn't at home,isn't he?有什么关系?为什么?也请解释一下“can't”在此处的意思.He must be a doctor,isn't he?You must have studied English for three years,

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关于He can't be at home,isn't he?此句是否为反义疑问句?请问和He isn't at home,isn't he?有什么关系?为什么?也请解释一下“can't”在此处的意思.He must be a doctor,isn't he?You must have studied English for three years,

关于He can't be at home,isn't he?此句是否为反义疑问句?请问和He isn't at home,isn't he?有什么关系?为什么?也请解释一下“can't”在此处的意思.He must be a doctor,isn't he?You must have studied English for three years,
关于He can't be at home,isn't he?此句是否为反义疑问句?
请问和He isn't at home,isn't he?有什么关系?为什么?也请解释一下“can't”在此处的意思.
He must be a doctor,isn't he?
You must have studied English for three years,haven't you?/ didn't you?

关于He can't be at home,isn't he?此句是否为反义疑问句?请问和He isn't at home,isn't he?有什么关系?为什么?也请解释一下“can't”在此处的意思.He must be a doctor,isn't he?You must have studied English for three years,
can 和must这些既可以表能力又可以表推测的情态动词在构成反义疑问句时是不同的,当他们表推测的时候,比如he can't be at home.这个句子的反义疑问句应该由can后面的动词决定,所以用isn't he?当can 表示能力的时候,如,He can speak english.这句是说他能讲英语,所以反义疑问句用can he?以此类推.

这里几个句子都是表示 推测句子， 写反义疑问句的时候，改成不需要推测的句子。
He can't be at home. 他不可能在家， 改成他不在家， he isn't at home, is he.
he must be a doctor 改成he is a doctor , isn't he
You must have studied english for thr...

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这里几个句子都是表示 推测句子， 写反义疑问句的时候，改成不需要推测的句子。
He can't be at home. 他不可能在家， 改成他不在家， he isn't at home, is he.
he must be a doctor 改成he is a doctor , isn't he
You must have studied english for three years改成
you studied english for three yrear, didn't you
You have studied..., haven't you

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他将在6点回家为什么是“he will be hom at six 而不是“he will go hom at six he can't be at school反义疑问句he can't be at school.反义疑问句 He can't be at home.为什么can't后要加be? He can't be at home.为什么在at前面有be?什么情况下要加Be? He ______ be in the classroom,I think.No,he ______ be in the classroom.I saw hom go home a minute ago.A.can,may notB.must,may notC.may,can'tD.may,mustn't Today is Wednesday.He _______be at home.He ______ be at school.A.can’t,can B.can’t,must C.mustn’t,must D.mustn’t,can 关于He can't be at home,isn't he?此句是否为反义疑问句?请问和He isn't at home,isn't he?有什么关系?为什么?也请解释一下“can't”在此处的意思.He must be a doctor,isn't he?You must have studied English for three years, He can't be at school,___?A.is he B.isn't he C.can he D.can't he He can't be at school, ____ ? A.is he B. isn't he C.can he D.can't he 选哪个?为什么? .He can't be at school,____ A.is he B.isn't he C.can he D.can't he请帮忙解释为什么选A. he can't be at home与he may not be at home有什么不同?跪拜请求指点迷津. can be的反义疑问句1 I don’t think he can be a teacher2 He can swim at the swimming pool yesterda3 He can be at school now(这三个can都是表推测的,变反义疑问句怎么变?为什么?在具体的讲一下can的用法呗谢谢（关于 He isn't at school .I think he ( )be ill.can,shall,must,has to ,原因. He can't be at home.He went to the cinema.合并成一句话 he can't be her father,-----he? Bob must be at home,________?A.mustn't he B.can't he C.isn't he D.doesn't he 选哪一个?为什么? Today is Wednesday.He _______ be at home.He _____ be at school.A.can’t,can B.can’t,must C.mustn’t,must D.mustn’t,can he isn't at school.i think he ------be ill A.has to B.shall C.can D.have to