It is high time you+动词原形.如果加should+动词原形可以吗?

题目

It is high time you+动词原形.如果加should+动词原形可以吗?

答案

It's high time you did something 句子的话要用过去式,是虚拟结构
It's high time you should do something.也是可以的,也是虚拟结构