It is (high) time that 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。It is time that the children went to bed.It is high time that the children should go to bed.喵呜刷题:让学习像火箭一样快速,快来微信扫码,体验免费刷题服务,开启你的学习加速器!