英语语法
完成时被动语态（Perfect Passive）
把被动语态和完成时合在一起，把过去的动作接到现在或者更早的某一刻。新闻和正式场合常用。“It has been confirmed.”“He'd been warned three times.”
has/have/had been + past participle
母语者的真实例句
"Whatever it is, do something new, do something you've been scared to try because with this time, we won't have it when it comes fall semester."
Motivational Message From A Tired Engineering Student
怎么用
公式
has/have/had been + past participle
这一页把课本规则和真实英语放在一起：每个例子都是真人母语者的无脚本片段。你听到的是这个语法点在真实生活里怎么说，不是在课堂上怎么说。