句中有have to 的怎么反问?

句中有have to,如he has to do homework ,............
怎么用反问疑问句?

He has to do homework,doesn't he?
我看你是把have done sth 和 have to do sth混淆了。
1.have done sth 中have是个助词,没有实在意义,所以反问句是haven't sb?
2.have to do sth中have to 是一个固定短语,表示主观的“必须”“不得不”,是实义动词,所以反问句是don't sb?
3.当have做实义动词表示“有”时,有两种反问句句式:don't sb?和haven't sb?
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第1个回答  2009-03-13
第2个回答  2009-03-13
He has to do homework,doesn't he?
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