had better要加to吗

had better要加to吗 had better之后不能加to吗? had better后面需要加to吗?为什么? If I had to choose, David would be the better choice.为什么要加the? 谢谢 had better do sth与had better to do sth用法有区别吗?什么区别? You had better go to Beijing by train.改为否定句.（是不是 better 后加个not还是don't?）不是句中有动词要加do么, 是had better to do还是had better do had better do还是had better to do had better +do sth 还是had better +to do sth You had better get to bed early为什么bed不加冠词? you had better 是后面加动词ing形式或者加动词原形还是加to在动词前? had better后加动词什么形式 you had better 后面加什么? you had better give up trying to win the gamehad better 是什么语法?better 是比较级.trying为什么是加ing..GIVE UP 是动词? would better和had better一样吗? 有had better not to do sth. ought to ,should,had better 有什麽区别? I had better ___(do/to do)