Your mother must be cooking in the kitchen,的反义疑问句用isnt she?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/10/03 00:52:48

Your mother must be cooking in the kitchen,的反义疑问句用isnt she?还是doesn't she?为什么

应该是 isn't she
因为 must be cooking 是对现在进行的动作的推测,构成反义疑问句的时候,要以mus后面的助动词为准,联系主语 your mother 所以be 动词应该选择 is ,再者前面句子是肯定式,那么后面就应该是表示否定的 isn't she .
再问： cook不是实义动词吗为什么不用dosent she
再答：因为cook 在这句话中用的进行时态所以助动词是 be

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Your mother must be cooking in the kitchen,的反义疑问句 用isnt she?

Your mother must be cooking in the kitchen,的反义疑问句用isnt she?