She thought it is meaningless ，didn't she？
如果是转述的要注意： He said that you were in hospital ， weren't you?（这里是对着那个 you 说的） 8）祈使句的反义疑问句中： let's 的要用 shall we ；let us 的要用 will you ；其他形式的都用 will you 。如：
移）。如： I believe that the boy can get a ticket for you, can ’ t he?
I don't think he is bright, is he?
We believe she can do it better, can't she? 若是第二第三人称的话，反义疑问句应该看主句：
反义疑问句
It looks like rain, doesn ’ t it? He doesn’ t need to work so late, does he?
This is a dictionary, isn ’ t it? Those are shelves, aren’ t they? There once was a man named Saint Nicholas, wasn’ t there?
a. are you b. do you c. don’ t you d. aren ’ t you 3. I wish to shake hands with you, ______? a. shall b. may I c. do I d. will I 4. Three hours ought to be enough time, ______? a. oughtn’ t three hours b. didn ’ t they c. shouldn ’ t it d. shouldn ’ t three hours 5. They have to study a lot, ______? a. don’t they b. haven ’ t they c. did they d. hadn ’t they 6. When the car crashed, your brother escaped being hurt, ______ ? a. didn’ t he b. did he c. did it d. didn ’ t it 7. I'm sure dirty, ______? a. am I b. isn’ t I c. aren’t I d. am not I 8. You seem to be dissatisfied with your present post. I don ’ t think you judged your ability objectively when you applied for it, ______ you? a. do b. did c. don ’ t d. didn ’ t 9. That’ s the sort of the book you want, ______? a. is it d. isn ’ t that c. is that d. isn ’ t it 10. All these dictionaries are a great help to you, ______? a. are they b. aren’ t they c. are all these dictionaries d. aren ’ t all these dictionaries
You must work hard next term, mustn't you ? 下学期你应该努力学习，对吗？ B ．must 表示“必须” ，其疑问部分用 needn't（不必），如：
They must finish the work today, needn ’t they? 他们今天必须要完成这项工作，是吗？ C．陈述部分含情态动词 mustn't，表示禁止时，疑问部分就可以用 must 或 may，如：
That must be your bed, isn't it? 那一定是你的床，是吗？ ②对过去发生的动作或存在的情况的推测：句中陈述部分没有表示过去的时间状语，这时疑问部分中
的动词就用现在完成时。 （ haven’ t / hasn’t + 主语）
You must have told her about it, haven ’ t you? 你一定把这事告诉她了，是吗？ 10） have 作为动词的反义疑问句：
17) 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?
18) 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?
① have to 的短语，且只充当一般动词的作用，助动词为 提问还是用 do,does 引导。
do,does,和普通的一般疑问句没有任何差别，
We have to finish it ,don't we? ②当用 have,has 做助动词的时候，疑问句才用它们引导
,如：
She has seen it,hasn't she？这里的助动词就是 has ③当陈述部分有 had better,或其中的 have 表示完成时态时，疑问句应用
hadn’ t 等开头：
You’ d better get up early, hadn’t you? ④其他情况句中有 have 时疑问句应用 don't 等开头；如 have 表示“有”的时候， 有两种形式： do 或 have
He has two sisters,doesn't he? =He has two sisters,hasn't he? He doesn't have any sisters, does he? ⑤当 must+have done 表示对过去的情况进行推测（一般句中有明确的过去时间状语）
对反意 疑问句的回答 ，无论问题的提法如何，如果事实是肯定的，就用 要特别注意陈述句部分是否定结构， 反意疑问句部分用肯定式提问时， 种省略回答的 yes 要译成 “不 ”， no 要译成 “是 ”。
yes，事实是否定的，就要用 no。 回答 yes 或 no 与汉语正好相反。 这
例 --- He likes playing football, doesn
’他t喜he欢?踢足球，是吗？
--- Yes, he does. / No, he doesn 是的。’/ t不. 是。
--- His sister didn
’ t attend the meeting, did他s妹he妹?没有参加会议，是吗？
---Yes, she did. / No, she didn 不，她’参加t. 了。 / 是的，她没参加。 反意疑问句的练习
，问句要根据陈
述部分谓语的情况用“ didn't+ 主语”或“ wasn't/weren't+ 主语”； 如果强调动作的完成（一般没有明确的过去时间状语） ，问句要用“ haven't/hasn't+主语”。
She must have read the novel last week,didn't she? 她上星期一定读了这本小说，是吗？ You must have told her about it, haven't you? 你一定把这事告诉她了，是吗？ 11） 带情态动词 dare 或 need 的反意疑问句，疑问部分常用 need (dare ) +主语。 We need not do it again, need we ?
do + 主语。
13） 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?
14） 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? 15) 含有 ought to 的反意疑问句，陈述部分是肯定的，疑问部分用
Go and get it for me, won't you? 去帮我取个东西，好吗？ Let's meet at the airport, shall we ? 我们在机场碰头，行不行？ Have a little more wine, will you ? 喝点儿酒，好吗？
9） must 的反义疑问句：陈述部分有 must 的疑问句，疑问部分根据实际情况而定。 A ．must 表示“应该” ，其疑问部分用 mustn't（不应该） ，如：
You mustn’ t stop your car here, must you? (may we? ，其疑问部分必须与 must 后面的主要动词相呼应。如： ①对现在动作或存在的情况的推测 ：
You must know the answer to the exercise, don't you? 你一定知道这项练习的答案，是不是？
I am very interested in learning English, aren ’ t I? 4） 陈述句的主语是动词不定式，动词的 -ing 形式或从句时，疑问部分的主语多用