why don't you do sth中的you是什么物主代词,

why don't you do sth中的you是什么物主代词, why don’t you （to）do sth 中的to用加不 why not do sth.=why don't you do sth.还等于什么 Why not do sth.=Why don't you do sth.=什么? 22题,不是有why not to do sth why don't you do sth You don't need to do sth.还有 You need not do sth 中的need分别是什么词 why don't you do don't you do sth=why not do sth造句,词组造20句子, 英语造句急!why not do sthwhy don't you do sth 几个英语语法 1.don't allow sb to do sth 对吗 | 2,Why are you worried 问一首歌.why don't you do so why not 同义词是 why don't you 还是 why don't you do