新概念英语第二册语法总结（4）

英语自学网

　　10. 被动语态：
　　结构：be+过去分词
　　用法：
　　u 主语不清或不需要提及时
　　I was born in 1999. The apple was eaten.
　　u 强调不同的主语时，为了说明动作是谁做的，用by+动作执行者
　　The policeman caught the thief. The thief was caught by the policeman.
　　Be made in/be made of/be made from/be made by
　　双重名词所有格：
　　one of +形容词性物主代词/名词所有格+名词复数
　　单数名词+of+名词性物主代词/名词所有格
　　one of my father’s friends/a friend of my father’s
　　one of my friends/a friend of mine
　　one of your records/a record of yours