Question

had better后加动词什么形式？

Answer 1

接动词原形
had better do sth 最好做某事
You had better refrigerate the beer before drinking it.
喝啤酒前你最好先把它冷冻一下。

Answer 2

• had better 表示劝告和建议,意为“最好”可缩写成'd better,如:you'd better
  

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用法

had better是情态动词,后面接动词原形

肯定:had better do sth.        最好做某事

否定:had better not do sth.  最好不做某事

had better 没有人称和数的变化

例句:肯定句:You had better take more exercise.你最好多做运动。

       否定句:You had  better not eat too much.  你最好别吃太多。

Answer 3

had better后加动词什么形式？
had better 加动词原形
you'd better do homework
you'd better buy me a gift

Answer 4

had better + v.原

Answer 5

现在完成时