专四必考语法第2讲反意疑问句

专四必考语法第 2 讲:反意疑问句 Tag Questions 反意疑问句Detailed Points首先判断是助动词还是情态动词1. Have to反意疑问句的陈述部分谓语有 have to 时，附加疑问句通常用助动词 do。You have to study hard, don't you?I don't have to get up early, do I?They had to obey the rules and regulations of the school, didn't they?She didn't have to do it herself, did she?2. Need反意疑问句的陈述部分谓语有 need 时，need 做情态动词，附加疑问句仍用 need，need做实义动词时，附加问句用助动词 do。They needn't make such a loud noise, need they?He needs the money for his son's education, doesn't he?3. Had better反意疑问句的陈述部分为 had better 时，附加问用助动词 had。You had better go at once, hadn't you?We'd better call off our appointment, hadn't we?4. Would rather反意疑问句的陈述部分为 would rather 时，附加问句用情态动词 would。You'd rather not do it, would you?She would rather die than surrender to the enemy, wouldn't she?5. Used to反意疑问句的陈述部分为 used to 时，附加问句用助动词 did。You used to stay up late every evening watching TV, didn't you?6. Ought to反意疑问句的陈述部分为 ought to 时，附加问句用助动词 should.She ought to go by plane, shouldn't she?We ought not to laugh at others'mistakes, should we?7. Must反意疑问句的陈述部分有 must，附加问句分三种情况：⑴must do—mustn't⑵must be—随人称用系动词一般现在时⑶must have done—didn't①We must book the ticket in advance, mustn't we? （必须）②She must be in the office, isn't she? （肯定）对现在事情的肯定猜测。③He must have done his homework, didn't he? （肯定）对过去事情的肯定猜测。8. Wish反意疑问句的陈述部分是 wish 时，附加问句用情态动词 may。I wish to shake hands with you, may I?人称和数1. 陈述部分主语是"I"时，附加问句的人称分二种情况：⑴I hope that…, don't you?I can't believe it, can you?⑵I will be 14 tomorrow, aren't I?...