Do /don`t you think that.would you consider.why/ why not.

Do /don`t you think that.would you consider.why/ why not. why don't you do=why not doing why not 同义词是 why don't you 还是 why don't you do Why don't you+...why not +. why don't you do Do you understand?That don't you why say是什么意思 题建议用法Do you mind ,Would you like,What about,Why not,Why don' why don't we =why not 还是why don't you=why not 为什么Why don't you不能写成Why do not you? why don't you?可以说缩写成why do not you why don't you,why not,what\how about ,how do you feel about why don't you still come 还是why do you still not come?