全国大众英语测验语法——Itis(high)timethat
It is (high) time that背面的从句谓语动词要用过往式或用should加动词底细，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.

关键字：英语四级测验语法 英语三级测验语法 测验虫语法 itis ok itis my life