在四六级考试中，单独考察的题几乎没有，但是语法知识点却贯穿整张试卷，下面是小编为大家整理的2021年12月英语四级语法知识：反意疑问句知识，希望可以为大家带来帮助，一起来学习一下吧。下面跟随小编一起来了解和学习一下吧。
　　 反意疑问句
　　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?
　　9)陈述部分有You'd like to v. 疑问部分用wouldn't 主语。 You'd like to go with me, wouldn't you?
　　10) 陈述部分有must 的疑问句，疑问部分根据实际情况而定。 He must be a doctor, isn't he? You must have studied English for three years, haven't you? / didn't you? He must have finished it yesterday, didn't he?
　　11) 感叹句中，疑问部分用be 主语。 What colours, aren't they? What a smell, isn't it?
　　12)陈述部分由neither… nor, either… or 连接的并列主语时，疑问部分根据其实际逻辑意义而定。 Neither you nor I am engineer, are we?
　　13)陈述部分主语是指示代词或不定代词everything, that, nothing, this, 疑问部分主语用it。 Everything is ready, isn't it?
　　14) 陈述部分为主语从句或并列复合句，疑问部分有三种情况： a. 并列复合句疑问部分，谓语动词根据邻近从句的谓语而定。 Mr. Smith had been to Beijing for several times, he should have been in China now, shouldn't he? b. 带有定语从句，宾语从句的主从复合句，疑问部分谓语根据主句的谓语而定： He is not the man who gave us a talk, is he? He said he wanted to visit Japan, didn't he? c. 上述部分主句谓语是think, believe, expect, suppose, imagine等引导的定语从句，疑问部分与宾语从句相对应构成反意疑问句。 I don't think he is bright, is he? We believe she can do it better, can't she?
　　15) 陈述部分主语是不定代词everybody, anyone, somebody, nobody, no one等，疑问部分常用复数they，有时也用单数he。 Everyone knows the answer, don't they?(does he?) Nobody knows about it, do they? (does he?)