Why don`t you的用法

why don't you 的用法? Why don`t you的用法 why don‘t you和why not的不同用法 why don't 的用法 why aren't you 和Why don't you 的区别和用法 why don't you ; why not ; what about 三者的区别与用法 why don't you Why don't you like it 是不是对的?还是 Why you don't like it? why 否定的用法 why not 是不是等于why don't? Why don't you come____earlier? why don't you sleep why don't you do