主动语态表示主语是动作的执行者。主动语态表示主语是动作的执行者。例如：例如：Many people spea English. 主语主语many people是动作是动作speak的执行的。的执行的。 被动语态表示主语是动作的承受者。被动语态表示主语是动作的承受者。例如：例如：English is spoken by many people.主语主语English是动词是动词speak的承受者。的承受者。语态概述语态概述一般过去时被动语态结构：was/were +过去分词last year.2.We planted many trees last year.Many trees were planted by us1.They bought a camera last term by them last term.A camerawas bought肯定句：主语be + 过去分词(by )否定句：主语be not 过去分词(by )一般疑问句：Be 主语过去分词(by )? 句式Many trees were planted by us last year.Many trees were not planted by us last year. Were many trees planted by us last year?Yes , they were. / No, they werent.They built the house last year.He took good care of his sister yesterday.We cleaned our classroom just now.They used this room for resting.The house was built by them last year.His sister was taken good care of by him yesterday.Our classroom was cleaned by us just now.This room was used for resting by them.1. Li Lei gave Tom a new pen last week . （同义句） A new pen _ _ _ Tom last week . 2. People there planted many trees last year. Trees _ _by people there last year. (青岛市中考题）3. The letter _last week，and it didnt _yesterday. A. posted , arrive B. was posted , arrive A. posted , arrive B. was posted , arrive C. posted , arrived D. C. posted , arrived D. was postedwas posted, arrived, arrived4. _ this building_(build)last year?was given bywere plantedWas built 练习练习 Exercise Exercise