Grammar The Passive Voice1. We plant many trees every year.Many trees are planted by us every year.2. People kill the animals for meat.The animals are killed by people for meat.3. The Chinese speak Chinese.Chinese is spoken by the Chinese.4. Mimi likes milk.Milk is liked by Mimi.被动语态的基本结构为被动语态的基本结构为:承受者承受者+ + +by +执行者执行者beP.P主动变被动的方法:People speak English in the world.主 谓 宾English is spoken by people in the world. 总结: 主动语态被动语态宾语 谓语 主语 其他 抄下来主语主语be+ P.Pby +宾语宾语练习练习: 将下面的句子变为被动语将下面的句子变为被动语 态态.1.We clean the classroom in the afternoon. 2. His brother washes their bowls every day . 3.They make shoes in that factory.4.Lucy does the homework in the evening. 5.We often water the flowers . The classroom is cleaned by us in the afternoon. Their bowls are washed by his brother evry day Shoes are made by them in that factory. The homework is done by Lucy in the evening. The flowers are often watered by us. 用所给词的正确形式填空用所给词的正确形式填空1. Too much water by him every day. (drink)2. Five apples by Tom every day. (eat)3. I _often_by her. (help)4.She _often _by me. ( hit)5.Many trees _planted by us every year.6.1000 trees _planted by us last year. 7.So far, millions of trees _planted by us . 8. More trees _planted by us next year.用be的正确形式填空观察观察: be动词有动词有_,_和和 _的变化的变化.is drunkare eatenhelped is hit are werehave beenwill beam时态时态人称人称数数各种时态的被动语态1.一般现在时 2.一般过去时 3.一般将来时 4.现在进行时 5.过去进行时 6.现在完成时am/is/ are +P.Pwas/were + P.Pwill +be+ P.P am/is/ are +being +P.Pwas/ were +being +P.Phave/has +been +P.P练习: 用be动词的正确形式填空.1.A knife _ used to cut apples.2.2. The air _ polluted already.3.3.The rooms _cleaned later.4.4. The students _ asked to have breakfast. 5.5.They_ encouraged to study hard in the past.6.6.Not only he but also I _ punished last night.ishas beenwill be arewerewas用法:1.她是由我帮助的. 2.她受到了帮助.3.南方种水稻.4.每天要用很多水.5. 山上种了很多树.She is helped by me.She was helped.Rice is grown in the south.A lot of water is used every day.Many trees are planted on the hill.总结: 1.强调动作的承受者. 2.不知道谁是动作的执行者. 3. 没必要指出动作的执行者.比较:1.The book _ yesterday. (return). 2. He _ yesterday. (return) 3. The sun _(rise) in the east. 4. what _ (happen) to him just now 5. when _the World War II _(break) out . 6. Great changes _(take) place in China . 总结总结:并非所有的动词都有被动语态并非所有的动词都有被动语态.was returnedreturnedriseshappeneddidbreakhave taken 练习:单选( )1.- where did you go just now? - I _ to go to the office. A. asked B. am asked C. have been asked D was asked. ( )2. - Look, what a nice garden! - Yes, It _ every day. A. has been cleaned B. is cleaned C. is being cleaned D. was cleaned ( )3. - Why didnt you go to the party last night? - Because I _. A. wasnt invited B. didnt invited C. havent invited D. am not invitedDBA句型转换:1.We dont speak Japanese at school.(被动语态) Japanese _ _ by us at school.2. The desk is made by Tom.(主动语 态) Tom _ the desk. 3. Its made in China,_ _?(反意疑问句)4.Hes caught the thief ,_ _?(同上）5.Tom, be, by, the model plane, make （连词成句） isntspokenmakesisntithasntheThe model plane is made by Tom.