5.当陈述部分主语为everything, anything, something, nothing时，疑问部分用it. 例：Nothing happened to him, did it ?
6.当陈述部分为this, that或these, those时，疑问部分用it或they. 例：This isn’t a fast train, is it ?
7.当陈述部分为There be句型，疑问部分用there. 例：There will be rain tomorrow, won’t there?
8.当陈述部分的谓语动词是have to时，疑问部分用助动词do. 例：You have to study hard, don’t you ? I don’t have to get up early, do I ?
9.当陈述部分的谓语动词是had better时，疑问部分用助动词had. 例：We’d better call off our appointment, hadn’t we ?
10.当陈述部分的谓语动词是would rather时，疑问部分用情态动词would. 例：You’d rather not do it, would you ?
11.当陈述部分的谓语动词是used to时，疑问部分用usedn’t或didn’t. 例：⑴You used to sleep with the windows open, usedn’t/didn’t you ? ⑵He used to get up at six in the morning, _____? (2004) A. used he B. did he C. didn’t he D. should he
12.当陈述部分的谓语动词是ought to时，疑问部分用oughtn’t或shouldn’t. 例：He ought to attend the lecture, oughtn’t/shouldn’t he ? 41 / 44
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