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1) 陈述部分的主语是I，疑问部分要用 aren't I. I'm as tall as your sister，aren't I? 2) 陈述部分的谓语是wish，疑问部分要用may +主语。 I wish to have a word with you, may I? 3) 陈述部分用 no, nothing, nobody, never, few, seldom, hardly, rarely, little等否定含义的词时，疑问部分用肯定含义。 The Swede made no answer, did he / she? Some plants never blown (开花), do they ? 4) 含有ought to 的反意疑问句，陈述部分是肯定的，疑问部分用shouldn't / oughtn't +主语。 He ought to know what to do, oughtn't he? / shouldn't he? 5) 陈述部分有have to +v. (had to + v.)，疑问部分常用don't +主语(didn't +主语)。 We have to get there at eight tomorrow, don't we? 6) 陈述部分的谓语是used to 时，疑问部分用didn't +主语或 usedn't +主语。 He used to take pictures there, didn't he? / usedn't he? 7) 陈述部分有had better + v. 疑问句部分用hadn't you? You'd better read it by yourself, hadn't you? 8) 陈述部分有would rather +v.，疑问部分多用 wouldn't +主语。 He would rather read it ten times than recite it, wouldn't he? | 
