"why not "后面加do还是to do还是doing？为什么？能不能具体点？ why not后加do还是doing还是to do?

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

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\u5c31\u7b49\u4e8ewhy don't you,\u6240\u4ee5\u540e\u9762\u662f\u52a0do

why not "后面加do，表示建议，如：
why not go with him？干嘛不和他一起去啊？（建议一起去）
其他都不能直接加

why not du something 这是英语的固定语法，不可以改的哦！

WHY NOT + 动词原形，固定语法。

why not do sth，固定搭配

Why not +do 　　例句：Why not make a kite? 　　为什么不做一个风筝呢?

扩展阅读：www.sony.com.cn ... would you like ... mac蜜桃奶茶314 ... why not ask someone ... you are welcome ... how about doing ... why not explicit ... don t mention it ... come with me ...