i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?为什么不是mustn't he?i think he can be a teacher反义疑问句是不是i think he can be a teacher,isn't he?这句是不是这样变?是不是从句有be反义疑问句就要把be还原?he thinks she isn't a student反义疑问句是不是he thinks she isn't a student,does he?
问题描述：
i think he must be a teacher,isn't he 这句反义疑问句为什么这样变?
i think he must be a teacher,isn't he
这句反义疑问句为什么这样变?
为什么不是mustn't he?
i think he can be a teacher反义疑问句是不是i think he can be a teacher,isn't he?
这句是不是这样变?是不是从句有be反义疑问句就要把be还原?
he thinks she isn't a student反义疑问句是不是he thinks she isn't a student,does he?
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