1、"It is time that" 是一种结构,用来表示现在是该做某事的时候了。这种结构通常与将来时连用。例如:"It is time that we start preparing for the exam." (现在是我们开始为考试做准备的时候了。)"It is time that we take a break and rest." (现在是我们休息的时候了。)
2、"It is time that"这种结构还可以用来表示过去本应该做某事,但没有做的事情例如:"It was time that we had left the party earlier, but we stayed too long." (我们本应该更早离开聚会,但是我们待太久了)