We need not do it again, need we ?

He dare not say so, dare you?

当dare, need 为实义动词时，疑问部分用助动词do + 主语。

She doesnt dare to go home alone, does she?

17) 省去主语的祈使句的反意疑问句，疑问部分用will you。

Dont do that again, will you?

Go with me, will you / wont you ?

注意： Lets 开头的祈使句，后用shall we?

Let us 开头的祈使句，后用will you?

Lets go and listen to the music, shall we?

Let us wait for you in the reading-room, will you ?

18) 陈述部分是;there be;结构的，疑问部分用there省略主语代词。

There is something wrong with your watch, isnt there?

There will not be any trouble, will there?

19) 否定前缀不能视为否定词，其反意疑问句仍用否定形式。

It is impossible, isnt it?

He is not unkind to his classmates, is he?

20) must在表;推测;时，根据其推测的情况来确定反意疑问句。

He must be there now, isnt he?

It must be going to rain tomorrow, wont it?

快速记忆表

陈述部分的谓语 疑问部分

I arent I

Wish may +主语

no,nothing,nobody,never,

few, seldom, hardly, 肯定含义

rarely, little等否定含义的词

ought to shouldnt/ oughtnt +主语

have to+v. dont +主语

used to didnt +主语或 usednt +主语

had better + v. hadnt you

would rather + v. wouldnt +主语