通常情况下都是前肯后否，如果表示请求，问句部分一般用will you的形式，形式表示委婉请求或邀请，则用won’t you？。如：
①Do sit down, won’t you?/ will you?
②You feed the bird today, will you?
③Please open the window, will you?(won’t you?)
陈述部分为否定祈使句时，问句部分一般用will you?形式。
Don’t make any noise, will you?
省去主语的祈使句的反意疑问句，疑问部分用will you。Don't do that again, will you?Go with me, will you / won't you ?注意： Let's 开头的祈使句，后用shall we（或用shan't we) ?Let us 开头的祈使句，后用will you（或won't you）?Let's go and listen to the music, shall we（或用shan't we)?Let us wait for you in the reading-room, will you （或won't you）?
