past participle of be. Dismissive slang phrase been there, done that attested from 1994 (been there "had the experience," usually of something disreputable, is from 1880s).
双语例句
1. The house seemed muted, hushed as if it had been deserted.
房子里似乎悄然无声，安静得好像已经没人在住一样。
来自柯林斯例句
2. It had once been the home of a wealthy nobleman.
这里曾是一个有钱贵族的宅邸。
来自柯林斯例句
3. These files have been zipped up to take up less disk space.
这些文档已经进行了压缩，以节省磁盘空间。
来自柯林斯例句
4. The commander and some of the men had been released.
指挥官和一些士兵已经获释。
来自柯林斯例句
5. There has been a busy start to polling in today's local elections.
