被动语态一概念：英语动词有两种语态，即主动语态(The Active Voice)与被动语态（The Passive Voice)。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。例：1. They make trains in Xian. Trains are made in Xian by them. 2. Xm beats Xx evey day. Xx is beaten by Xm every day. 二构成be + done (p.p.-及物动词的过去分词）一般现在时 amis are + v.p.p.一般过去时 waswere +v.p.p.一般将来时 will bebe going to be + v.p.p.过去将来时would be/was,were going to be + v.p.p现在进行时am/is/are being + v.p.p.过去进行时was/were being+ v.p.p.现在完成时 have/has +bee
