核心问题
Longman Dictionary of Common Errors(中译本,安徽科技出版社,p.168)把下列句子列为错句:
Some wives earn a lot of money and so their husbands haven't to work.
难道 haven't to 不是 have to 的否定形式吗？我在英语辞书上就查到不少 haven't to 的例句：
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You haven't to go to school today, have you? (ALD) 你今天不必去上学, 是吧?
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We haven't to go to school on Sunday. (Wood) 我们星期天不必上学。
词典解答
这确实是一个难于回答的问题，它曾困扰我很长的时间。但是读到两部权威英语语法著作的解释，这一个问题就豁然开朗了。CGEL(p.146)说：“对英国英语惯用法的研究表明，在否定句和疑问句中，have to 在 以上的情况下都是借助do来造句的。”LEG则说：“(you) haven't to 是(you) don't have to 在英国英语方言中的变体。”
练习题
请做下面的英语试题：
"That's very kind of you. I wish I ____ give you so much trouble."
A. don't have to B. haven't to C. hadn't to D. didn't have to (Nelson, 350C)