赖世雄教你学英语语法
时态及语态
2-2:被动语态的构成法
原句的宾语做主语+ be+过去分词=被动语态
例：i love him.---- he is loved by me.
i looked at him.---- he was looked at by me.
i will take care of him.---- he will be taken care of by me.