陈述句变一般疑问句She had a fever yesterday.have什么情况下是助动词呢?

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陈述句变一般疑问句She had a fever yesterday.have什么情况下是助动词呢?
陈述句变一般疑问句
She had a fever yesterday.
have什么情况下是助动词呢?

陈述句变一般疑问句She had a fever yesterday.have什么情况下是助动词呢?
Did she have a fever yesterday?
have在现在完成时是助动词
句式如:主语+have+动词的过去分词

did she have a fever yesterday?

Have her had a fever yesterday?