一般过去时态 被动语态

主动语态表示主语是动作的执行者。例如：Many people spea English. 主语many people是动作speak的执行的。 被动语态表示主语是动作的承受者。例如：English is spoken by many people.主语English是动词speak的承受者。语 态 概 述 一般过去时被动语态结构：was/were +过去分词last year.Many trees were planted by us1.They bought a camera last term by them last term.A camera was bought 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. 2. People there planted many trees last year. Trees _ _by people there last year. (青岛市中考题）3. 4. _ this building_(build)last year?were plantedWas built