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doesshe和hasshe怎么区分用法比如Janehasnothingtodo,为什么用doesshe?两个要怎么区分

题目详情
does she和has she怎么区分用法
比如Jane has nothing to do ,为什么用does she?两个要怎么区分
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答案和解析
has/have有两种动词用法.当它是助动词时可提到主语之前构成问句也可加否定词构成否定句.当它是实义动词时要用does来构成问句或否定句.如下面两个句子
He has never been to Beijing,has he?
He has breakfast at seven,doesn't he?