isn't he
陈述句中的谓语动词含有“推测”性的词must(一定)时,反意疑问部分多与must之后的动词形式和时态与句子主语保持一致.
Her mother must be a teacher,isn’t she?
She must have read the novel,hasn’t she?
isn't he
陈述句中的谓语动词含有“推测”性的词must(一定)时,反意疑问部分多与must之后的动词形式和时态与句子主语保持一致.
Her mother must be a teacher,isn’t she?
She must have read the novel,hasn’t she?