被动语态第1节 基础知识1、 概念被动语态(passive voice)是的一种形式，用以说明与之间的关系。英语的语态共有两种：和被动语态。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。被动语态是动词的一种特殊形式，一般来说，只有需要动作对象的及物动词才有被动语态。2、 结构be+v.ppbe+v-ed 3、 主动语态变为被动语态例句：一般现在时：主：We believe him.被：He is believed by us.一般过去时：主：He bought his children some pens.被：Some pens were bought for his children by him.一般将来时：主：Everyone will know the truth soon .被：The truth will be known by everyone.现在进行时：主：Mary is making a doll.被：A doll is being mad
