had better是什麼時態

He thought he had better track this wolf and kill it

他認爲最好跟蹤這隻狼,殺了它。

I wish I had better news for you

我多希望能帶給你好消息。

I worried for ages and decided that I had better break it to her.

我煩惱了很長時間,後來決定還是把這事告訴她。

The Republicans had better get used to the fact that in all probability, they are going to lose

共和黨人最好習慣他們很有可能失敗的'事實。

The Roadrunner had better power, better tyres, and better brakes.

“路行者”汽車的性能、輪胎和剎車都更好。