九上英语被动语态的总结与复习概要.ppt

The Passive Voice 　　 Lesson Style: Revision （被动语态） Ⅰ.Focus on the Passive Voice (Ⅰ)主动语态(The Active Voice)和被动语态(The Passive Voice) Many people speak English. (主动语态:主语是动作的执行者) English is spoken by many people. (被动语态:主语是动作的承受者) Turn the following sentence into the Passive Voice: We planted many trees last month. → Many trees were planted by us last month. 1.主动语态改被动语态的步骤及注意事项: Conclusion (1).步骤: 首先, 要弄清楚主动语态中的主语、谓语和宾 语及其时态; 其次, 把主动语态的宾语改成被动语态的主语;然后, 把主动语态的谓语动词改成相应时态的 被动结构; 最后, 当需要指出动作的执行者时,由by引出组 成介词短语,其它句子成分不变 . Conclusion Ⅱ: 要使用被动语态的几种场合： 1.不知道或者没有必要指出谁是动作执行者时; The cars are made in Japan. 2.需要强调或突出调动作的承受者时; English is used most widely in the world. 3.有的动作的发出者不是人时; His house was washed away in the flood. 4.文章的标题、广告、新闻等用语. Waiters Wanted (招聘服务员,省去了are.) 总结各种不同时态中被动语态的构成 1.Football is played all over the world. 2.Cameras are used for taking photos. 3.I am taught by him this year. 4.The telephone was invented in 1876 . 5. Five eggs were used to make this big cake. Let’s read and observe (观察)carefully, 　　 then draw some conclusions(结论). 一般现在时 一般过去时 6.The ground will be covered with trees in a few years. 7.They will be sent to the hospital right now. 8. A talk is going to be given soon. 9.My watch is being repaired now. 10.Some computers are being checked there. 11.I am being watched by everyone. 一般将来时 现在 进行时 12.Trees must be planted around our school. 13.Teenagers should be allowed to choose their own clothes . 14.Must our homework be handed in now? 15.The food has been eaten up already. 16.Those mobile phones have been stolen. 17.Have the apples been paid for yet? 含情态动词 现在 完成时 构成 be + vt. p. p. 不同时态的被动语态的构成 一般现在时：am / is / are + vt.p.p.