本能解析:是you 'd better not do 还是you 'd better not to do

You'd better 是you 'd better not do 还是you 'd better not to do 关于 You'd better you'd better to do / you'd better do 有什么区别哇？ 请问"你最好不做某事”是You'd better not do 还是You'd better not to do , If you want to keep __,you'd better have less fast food.这里是填heslthy? you'd better have the colour TV set------- you'd better watch yourself. 的意思 填词You'd better ______(拜访)him You'd better __this word up in the dictionary.