why don't your do sth?why don't your sth?哪個(gè)對(duì)?

熱心網(wǎng)友

我們是不是一個(gè)學(xué)校的啊？好巧啊，剛好我們下午也考英語(yǔ)。

熱心網(wǎng)友

why don't your do sth?是正確的因?yàn)閐on't在本句中只是助動(dòng)詞，而每個(gè)句子中必需有動(dòng)詞，所以后面的do 是做動(dòng)詞用的，必不可少的！！ 例，why didn't you call me yesterday

熱心網(wǎng)友

why don't you do sth?why not do sth?

熱心網(wǎng)友

Why not to do sth=Why don't sb do sth

熱心網(wǎng)友

thefirstone 'tyoudosomething?