you woule better 后面接什么？动原？动名？还是？

You would better +词原形do，否定用not do

如You”d better_______your homework now.

A.don”t do B.not do C.not doing D.did
选B

是would吧.

you would better do sth

would better do sth.（肯定句）
would better not do sth.（否定句）
would better 后接动词原形~`

you would better 后面必须接“原型动词”。

后面接动词原形