it is high time that用法

It is (high) time that表示“是该做.的时候了。后面的从句谓语动词要用过去式或用should加动词原形，但should不可省略。例句：It is high time that we should tell him the truth.是我们该告诉他真相的时候了。 It’s high/about/good time that+从句句式的用法...