過去分詞作定語表被動的用法

題目：

過去分詞作定語表被動的用法
A boy called Bob.怎麼和A boy is called Bob.區別?

解答：

A boy called Bob.一個短語.只能作句子中的某個成分.過去分詞作定語'一個名叫Bob 的男孩'如:A boy called Bob is my friend./ You can find a boy called Bob.
A boy is called Bob.一個完整的句子.被動結構 '