There are seven different....

There are seven different sports offered on TV Sunday evening.
請問offered 為什麼可以這樣用?
更新: 是不是 名詞+過去分詞 就可用這個用法
ex:
There are seven persons assigned on this task.
這樣用法對嗎
謝謝
更新 2: There are seven persons assigned on this task.
那我這寫法對嗎??
3 個解答 3