1、The man opened the door.The door by the man.was openedAt first.He closed the door quickly.The door by him quickly.was closedHis mom cooks delicious food for him.Delicious food by his mom.is cookedHis mothers heart by him.He breaks his mothers heart.is brokenWe should eat up our food.Our food should
2、by us.be eaten upThe snowman by the girl now.ingis being kissedThe girl is kiss the snowman now.一、什么是被动语态语态是动词的一种形式，表示主语和谓语动词之间的关系。英语动词有两种语态：主动语态：表示主语是动作的执行者 被动语态：表示主语是动作的承受者二、主动语态如何变被动语态 主语 谓语 宾语 时间状语 He speaks English every day.English is spoken by him every day.宾语变主语 be+过去分词 主语变为by 时间状语不变三三.被动语态的
3、用法被动语态的用法1.强调动作接受者强调动作接受者范冰冰范冰冰被很多人所熟知。被很多人所熟知。Fan Bingbing is known by many people.2.不知道或者没有必要表明动作发出者不知道或者没有必要表明动作发出者他的钱包被偷了。他的钱包被偷了。His wallet is stolen.The door is opened.The door is closed.The food was eaten up.Be+过去分词过去分词四、快速说出下列动词的过去式和过去分词 五、各种时态被动语态的构成1.一般现在时：is/am/are+过去分词We clean our classr
4、oom everyday.Our classroom by us everyday.is cleaned2.一般过去时：was/were+过去分词They built a new shop last year.A new shop by them last year.was built3.一般将来时：will be+过去分词The sports meeting will be put off by them.They will the sports meeting.be put off4.现在进行时：am/is/are+being+过去分词Uncle Wang is riding my bik
5、e now.My bike by uncle Wang now.is being riddenis being ride5.含情态动词：情态动词+be（固定不变）+及物动词的过去分词You can in your homework tomorrow.Your homework in tomorrow.handedhandcan be handed五、被动语态的句型转换肯定句：English is spoken by me every day.否定句：English is not spoken by me every day.疑问句：Is English spoken by me every d
6、ay.be动词+not+过去分词be动词+主语+过去分词be动词+过去分词Practice1.Lucy is writing a letter now.肯定句：A letter is being written by Lucy now.否定句：A letter is not being written by Lucy now.疑问句：Is a letter being written by Lucy now.2.A thief stole his bike last night.His bike was stolen by a thief last night.3.Li Lei mended the broken bike this morning.The broken bike was mended by Li Lei this morning.4.They will plant ten trees tomorrow.Ten trees will be planted by them tomorrow.被动语态主+be+过去分词主主+be+be+过去分词过去分词+by by sb.sb.主动变被动1.找主语和宾语2.改be+过去分词3.换主语和宾语位置4.加by
