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has的否定形式和一般疑问句

has的否定形式和一般疑问句

更新时间:2023-09-15 20:40:48

has的否定形式和一般疑问句

has 的否定式和疑问取决于Has在句子中是实义动词还是助动词,区分这两句: He has a book. He has finished his homework. 第一句中,Has是实义动词,变否定和疑问时要用助动词does帮忙,He does not have a book. 而第二句has是助动词,否定句在助动词上直接加not,He hasn't finished his homework.

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