1.had better的基本用法

had better和had best及may/might as well都含有“最好……”的意义，表示一种委婉的劝诫。后面跟一个不定式。

You'd better get some sleep．

你最好睡一下。

We'd better be off．

我们最好离开。

Come，you'd much better have that bad tooth pulled out．

嗨!你最好把那颗坏牙拔了。

提示：

有时省去had。

Better stay inside．

你最好呆在家里。