反义疑问句

①wish若在陈述部分作谓语，用May I”反疑

②祈使句后边的反义疑问句，用will you,won't you,would you,can you,can't you,could you.

*won't用于邀请别人，其他是自己要求别人干某事

*祈使句否定结构后边，只能用will you?

Sit down please,won't you?

Do me a favor,can you?

③let's开头祈使句用shall we?(包括双方）

let's meet him,shall we?(征求对方意见）

特例：Let's not invite him,ok(all right)?

④dare用作情态动词，反义本身用作实意，

Mary dare not go out,dare she?

⑤陈述部分用need't构成，后边可用need或must。

⑥ought to 用陈述部分，反义用本身 oughtn't

⑦had better用在陈述部分，反义用hadn't

⑧would rather/sooner/like,用wouldn't

⑨used to放在陈述部分，若用作情态动词用usen't,用作实意动词用didn't

There used to be a chair,wasn't there?

⑩have to 放在陈述部分，反义用do各种形式。

She has to get there on time,doesn't she?

⑪must用在陈述部分，反义用法比较复杂。

a、must 当应当，必须”讲时，用mustn't,needn't均可。

b、当must在陈述句中当不准意思表否定时，后用must.

c、当must当猜测时，还原本意在看

He must in his office,isn't he?

They must be talking,aren't they?

He must have seen the film yesterday,didn't he?

The street have been cleaned yesterday,wasn't it?