I think 引导的宾语从句，反义疑问句该怎样变？

Question

例如：I think he must be a teacher;I think you are a student;I don't think he she likes English;I don't think she is a good student.请大家帮我变一下反义疑问句。还有must分别表一定和可能时，应该怎么用？

Answer 1

I think he must be a teacher,isn't he?I think you are a student,aren't you?I don't think she likes English,does she?I don't think she is a good student.is she?当主句的主语是第一人称时，反义疑问句和从句一致，并且将否定转移，比如I don't think she is a good student,is she?当主句主语是非第一人称，反义疑问句和主句一致。

Answer 2

为您解答如下-----------
1，主语是第一人称时，含有think / suppose / believe 宾语从句的反义疑问句，其简略问句，要根据从句来提问，同时如果主句用了否定，要否定转移（即当作从句否定）。
2，含有must be的反义疑问句，当must be表示“推测”的意思时，简略问句要根据be的实际时态来提问；当must是表示“必须”的意思时，简略问句要用must / mustn't来提问。

依照上述规则：1，I think he must be a teacher，isn't he?
2，I think you are a student，aren't you?
3,I don't think she likes English,does she?
4,I don't think she is a good student,is she?

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