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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?
人气:211 ℃ 时间:2020-01-27 19:31:26
解答
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
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