why don't you do sth中的you是什么物主代词,

Why not do sth.=Why don't you do sth.=什么? why not do sth.=why don't you do sth.还等于什么 don't you do sth=why not do sth造句,词组造20句子, 22题,不是有why not to do sth why don't you do sth22题,不是有why not to do sth why don't you do sth 的句型么? 英语造句急!why not do sthwhy don't you do sth why don't you do sth中的you是什么物主代词, why i don't like my job?为何不是why don't i like my job?那Why don't you do sth？ why don’t you （to）do sth 中的to用加不 Why don't do sth和 why not do sth有什么区别? why don,t sb do sth同意句 请问：这两种说法有什么区别?一个是Why don't you do sth.一个是Why do you not to do sth.还有How could you not to do 和 How couldn't you do why don’t sb do同义句1.____ do sth.2.____ ____ do sth.3.____ we ____ do sth.4.will ____ ____ sth.5.would you ____ ____ do sth.就这样, why not 同义词是 why don't you 还是 why don't you do why not do sth全句是 why shall we not do sth why not do sth?以前我记得是why don't you do sth 可今天我在教师用书中发现是why shall we not do sth 这该怎么讲?请赐教 why don't you do=why not doing why not do sth why not do sth 例如:why don't sb do sth 是七种喔快点想出几种就报上几种 为什么是 Why don,t you like koalas 不是 Why do you don,t like koalas? why not的英语语法?是不是有wht not do sth = why don't you do sth 那祈使句not to do sth 成立不成立?既有not do sth 又有not do sth 祈使句只有用Dong't开头?我记得以前老师有说Not to....是祈使句...