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* 被动语态 The passive voice A recorder is used in our English class every day. use …for play often Football is played all over the world. A camera is used for taking photos. rob yesterday send up last year A man-made satellite was sent up into space last year. A bank was robbed yesterday. must plant cover with in a few years’ time The tree must be planted on the ground. The ground will be covered with trees in a few years’ time. send to right now a talk give soon They will be sent to the hospital right now. A talk will be given soon. dig The earth is being dug now. eat up already The food has been eaten up already. Football is played all over the world. A camera is used for taking photos. A bank was robbed yesterday. A man-made satellite was sent up into space last year. Look and find out the similarities (相同点): The tree must be planted on the ground. The ground will be covered with trees in a few years’ time. They will be sent to the hospital right now. A talk will be given soon. The earth is being dug now. The food has been eaten up already. 当我们不知道谁是动作的执行者, 或者没有必要指出谁是动作的执行者时, 或者只需强调动作的承受者时, 要用被动语态。 被动语态：主语是动作的承受者 。 被动语态的构成：be +vt.p.p. Conclusion: (一) 一般现在时—— am／is ／ are + vt.p.p. 一般过去时—— was／were +vt.p.p. 情态动词—— aux.v. (must／can／could／may…+ be + vt.p.p.) 现在进行时—— be(am、is、are)+being +vt.p.p. 一般将来时—— will be／be going to be + vt.p.p. 现在完成时—— have／has +been+ vt.p.p. Turn the following sentences into the passive voice: 1. Many people speak English. → 2. He bought me a new bike yesterday. → English is spoken by many people. I was bought a new bike yesterday. A new bike was bought for me yesterday. 3. The boss made him do the heavy work in the old days. → 4. Tom must hand in the composition after class. → 5. The rain stopped. 6. The soup tastes delicious. He was made to do the heavy work in the old days. The composition must be handed in after class. 主动语态如何改成被动语态？ 1. 主动语态的宾语改成被动语态的主语。 2. 主动语态的谓语动词改成被动语态的谓语动词。do→be done 3.