why not后加do还是doing还是to do? "why not "后面加do还是to do还是doing？...

"why not "\u540e\u9762\u52a0do\u8fd8\u662fto do\u8fd8\u662fdoing\uff1f\u4e3a\u4ec0\u4e48\uff1f\u80fd\u4e0d\u80fd\u5177\u4f53\u70b9\uff1f

why not "\u540e\u9762\u52a0do\uff0c\u8868\u793a\u5efa\u8bae\uff0c\u5982\uff1a
why not go with him\uff1f\u5e72\u561b\u4e0d\u548c\u4ed6\u4e00\u8d77\u53bb\u554a\uff1f\uff08\u5efa\u8bae\u4e00\u8d77\u53bb\uff09
\u5176\u4ed6\u90fd\u4e0d\u80fd\u76f4\u63a5\u52a0

why not do
Why don't \u540e\u52a0\u4eba\u79f0\u3001\u8c13\u8bed
\u5982\uff1a
Why don't you take a bus?
Why not take a bus?

why not就等于why don't you,所以后面是加do

why not do sth.
why not 后是接不带to 的不定式，也就是动词原形

后加 do 用的是原型

why not do
Why don't 后加人称、谓语
如：
Why don't you take a bus?
Why not take a bus?

do

扩展阅读：make sb do还是doing ... why not和why don't的区别 ... why not do还是doing ... finish doing还是todo ... why not doing对不对 ... why not you后面跟什么 ... why don't后面加什么 ... promise后面加do还是doing ... how about后面跟什么 ...