英语虚拟语气"it is time."
问题描述：
英语虚拟语气"it is time."
答
这是虚拟语气的典型结构之一.其结构形式如下：
It's (high/the very)time (that) sb did sth或者
It's (high/the very)time (that) sb should do sth(should不可省略）.例如：
It's (high/the very)time (that) we cooperate with each other.