be+ 过去分词 造句

be+过去分词是被动语态
eg：I was taken away by my mother.
我被我妈妈带走了。

the stick is broken.木棍断了。
be + 过去分词，过去分词视作形容词，表示主语的状态。
the door is locked.门被锁了。

It will be done

The knife is used to cut things.

The pinao will be repaired tomorrow.