be动词的被动语态 be + p.p.

I was born in 1980. 我1980年出生。

The Republic of China was established/founded in 1911.

中华民国建立于公元1911年。

English is spoken all over the world. 全世界都讲英文。

Many traffic accidents are caused by drunken driving.

许多车祸都肇因于酒后驾车。