1.have表示“有”的意思时,其反意疑问句可以用haven't也可以加doesn't,一个是英式英语,一个是美式英语。.
You have a book, haven't/don't you?
2.have 作助动词构成完成时,其反意疑问句必须用haven't ,第三人称单数当然要改为hasn't.
He has finished his homework, hasn't he?
3.have是其他含义就看做是实意动词。
如在词组have a meeting开会, have breakfast/lunch/dinner等
祝学习愉快!
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