高中英语被动语态讲解（共39张PPT）

Grammar 被动语态 Passive Voice Active and Passive Voice Voice The voice of a verb tells whether the subject of the sentence performs or receives the action. In English there are two voices, passive and active.   Active Voice  In active voice, the subject performs the action expressed by the verb:  The student wrote a song.        Passive Voice   In passive voice, the subject receives the action expressed by the verb: A song was written by the student. 一般现在时：am／is／are＋done 一般过去时： 一般将来时： 过去将来时: 现在进行时: 过去进行时： 现在完成时： 过去完成时： 被动语态的构成 was／were＋done will／shall be＋done am/is/are going to be + done am/is/are to be + done would be+done am/is/are being+done was / were being+ done have/has been+done had  been + done The present and past Passive Voice 一般现在和一般过去时 被动语态 Examples: 1. They cut trees every winter. Trees are cut by them every winter. 2. He bought a cat in the market yesterday. A cat was bought by him in the market yesterday. 小结：主语变宾语 　　　宾语变主语 　　　动词加上be 　　　be后跟v-ed