why not 后面加动词什么形式?why don't呢?

问题描述:

why not 后面加动词什么形式?why don't呢?

都加动词的原形。
不过 what/how about +动名词(ing)
希望可以靠靠清楚、往年这种考题都是很多的。

动词原形

why not 后面加动词原型,
如:why not go to the park?
why don't 后加句子,人称代词在前,
如 why don't we go to the park?

和楼上观点一致