You'd better 后面加啥?

You'd better 后面加啥? you'd better后面加什么? I you'd better It's better 后面分别加什么? you'd better后面是加原形吗,为什么i think it would be better to have.急, you'd better后加什么 You'd better take an umbrella in case that 如果表达的是真实语气 后面加it you had better 后面加动词什么时态?急 you'd better后面接动词什么形式 have better后面加什么 You'd better know you'd better do YOU'D better