被动语态.ppt

被动语态( a ) What ’ s it made of ? --It ’ s made of metal. --It ’ s used for riding. --It ’ s made in China. What ’ s it used for ? Where is it made ? 被动语态表示主语是动作的承受者. Who invented the car? _______ invented the car. Karl Benz Karl Benz The car____ ________ by______. was invented him 1885 When was it invented ? was invented 1971 It____ _________ in ______. 1971 Bell A: Who was the telephone invented by? B: It was invented by___. A: When was it invented ? B: I think it was invented in __. 被动语态的用法: 1、当不知道谁、没有必要或不想指出谁是动作的执行者时; 2、只需强调动作的承受者时; 3、汉语中的“被、受、由”等词译成英文时; 4、当动作的发出者不是人时,往往用被动语态 . (1) English is spoken in Canada. (2) She was elected the monitor of our class. (3) I was shocked by the news. 时态一般现在时一般过去时一般将来时现在进行时过去进行时现在完成时过去完成时过去将来时被动语态结构各种时态的被动语态(时态体现在 be 动词时上) am/is/are + done was/were + done will/shall be + done am/is/are being + done was/were being + done have/has been + done had been + done would/should be + done . make trains in Zhuzhou . ( 主动语态 ) Trains __________ in Zhuzhou. ( 被动语态) farmers grow cotton every year. Cotton _______ by the farmers every year. people speak English. English __________ by many people. are made is grown is spoken 助动词 be + 及物动词动词的过去分词被动语态的构成: 注意: (be 有人称、时态和数的变化) 1. Trees ___________ ( plant ) by us in spring every year. 2. The house _________( build ) last year. 3. Li Ming will ________ ( ask ) to attend the lecture. 4. A new building ____________ (build) in our school now. 5. The road were ______________ ( repair ). 6. He has _________ ( send ) to work in Guangzhou. 7. The work _________________ ( finish ) when I got there. 8. The scientist would _________ ( invite ) to visit Iraq. are planted Exercises: was built be asked being repaired is being built been sent had been finished be invited 主动语态变为被动语态的步骤: 1. 把主动句的宾语变为被动句的主语. 2. 把主动句的谓语动词变为 be + 动词的过去分词的形式. 3. 把主动句的主语变为被动句中