1、 掌握一般現在時、一般過去時掌握一般現在時、一般過去時 的的被動語態，（預習）一般將來時和被動語態，（預習）一般將來時和帶有帶有can，may，must等情態動詞等情態動詞的被動語態的構成和基本用法。的被動語態的構成和基本用法。 Its very important for us to protect Its very important for us to protect the environment. Every day many trees the environment. Every day many trees areare cutcut down. Waste down. Was

2、te is thrownis thrown away. The air away. The air is is pollutedpolluted. Waste water . Waste water is pouredis poured into into rivers. Wild animals rivers. Wild animals are killedare killed 保護環境對于我們來說很重要保護環境對于我們來說很重要. .每天樹木在每天樹木在被砍伐被砍伐. .空氣空氣被污染被污染. .廢物廢物被亂扔被亂扔. .污水污水被排放被排放到河里到河里. .野生動物野生動物被殺被殺 觀察

3、下列句子并總結觀察下列句子并總結. .1.Many trees 1.Many trees are cutare cut down. down. 2.Waste 2.Waste is thrownis thrown away. away. 3.The air 3.The air is pollutedis polluted. . 4.Waste water 4.Waste water is pouredis poured into rivers. into rivers. 5.Wild animals 5.Wild animals are killedare killed一般現在時的被動語態一般

4、現在時的被動語態: am/is/are+過去分詞過去分詞Exercise: The bottle _ (fill) with hot water. 瓶子里裝滿了熱水。瓶子里裝滿了熱水。2. Cameras _ (use) for taking photos. 相機是用來照相的相機是用來照相的.are usedis filled3.The classroom is very clean and it 3.The classroom is very clean and it _ (clean) by us _ (clean) by us every dayevery day. .4.The toy

5、s in the supermarket _ 4.The toys in the supermarket _ (make) in China.(make) in China. 5.Beijing is a beautiful city and it _ 5.Beijing is a beautiful city and it _ (visit) by many people(visit) by many peopleevery yearevery year. . is cleanedare madeis visited Though mom wasnt at home last night,T

6、hough mom wasnt at home last night,Lily and Ted still had a good dinner. TheLily and Ted still had a good dinner. Thevegetables vegetables were cutwere cut by Ted. The food by Ted. The food waswas cookedcooked by Lily. And after the supper, the by Lily. And after the supper, thedishes dishes were wa

7、shedwere washed by Lily. The table by Lily. The table waswas wipedwiped（擦）擦）by Ted. The kitchen by Ted. The kitchen was cleanedwas cleanedby them two.by them two. 盡管媽媽昨晚沒在家，麗麗和泰德仍然吃了一頓盡管媽媽昨晚沒在家，麗麗和泰德仍然吃了一頓很好的晚餐。很好的晚餐。 菜是菜是被被泰德泰德切切的。的。 食物是被麗麗食物是被麗麗煮煮的。的。晚飯后，碗是晚飯后，碗是被被麗麗麗麗洗洗的。的。 桌子是桌子是被被泰德泰德打掃打掃的。的。廚房

8、廚房被被他們他們打掃打掃干凈。干凈。 觀察下列句子并總結觀察下列句子并總結. .1.The vegetables 1.The vegetables were cutwere cut by Ted. by Ted. 2.The food 2.The food was cookedwas cooked by Lily. by Lily.3.The dishes 3.The dishes were washedwere washed by Lily. by Lily. 4.The table 4.The table was wipedwas wiped by Ted. by Ted. 5.The k

9、itchen 5.The kitchen was cleanedwas cleaned by them two. by them two.一般過去時的被動語態一般過去時的被動語態: was/were+過去分詞過去分詞Exercise:1.A new machine _ (invent) last month. 一種新型機器上個月被發明。一種新型機器上個月被發明。2.They _ (ask) a question by the teacher yesterday. 昨天他們被老師問了一個問題。昨天他們被老師問了一個問題。 were askedwas invented 3.The book _ (

10、write) by him 3.The book _ (write) by him last yearlast year. .4.Our school has a long history. And it 4.Our school has a long history. And it _ (build) _ (build) in 1958in 1958. .5.Many students _ (send) to 5.Many students _ (send) to America to study by our school America to study by our school la

11、st yearlast year. . were sentwere sentwas builtwas builtwas writtenwas written 1 1一現被：一現被：Many trees are cut down. 2 2一過被：一過被：The food was cooked by Lily.am/is/are+過去分詞過去分詞was/were+過去分詞過去分詞主動語態和被動語態結構的轉換：主動語態和被動語態結構的轉換：vWe clean our classroom every day.Our classroomis cleaned主語主語謂語謂語賓語賓語by usevery d

12、ay結構：主動語態：結構：主動語態：主語主語謂語謂語賓語賓語 被動語態：被動語態：主語主語 be +過去分詞過去分詞by+賓語賓語注意把主動語態改為被動語態時，句子的把主動語態改為被動語態時，句子的時態不能變。且時態不能變。且bebe動詞和新主語保持一致。動詞和新主語保持一致。如上例，所給的主動句子是一般現在時，改如上例，所給的主動句子是一般現在時，改為被動語態時，也要用一般現在時。為被動語態時，也要用一般現在時。如果主動句中的主語是人稱代詞，改如果主動句中的主語是人稱代詞，改為被動句時作介詞為被動句時作介詞 byby的賓語，要用賓格。如的賓語，要用賓格。如上例中的主語上例中的主語wewe改為

13、改為usus。歸納總結方法 把主動語態改為被動語態可按把主動語態改為被動語態可按“ 、 、 ”來進行。即：來進行。即： 變變把主動語態的賓語改為被動語態的主語，把主動語態的賓語改為被動語態的主語，把主動語態的主語改為被動語態的介詞把主動語態的主語改為被動語態的介詞by的賓語。的賓語。 套套根據原句的時態套用相應時態。根據原句的時態套用相應時態。 注意注意注意人稱的變化而引起的主謂一致問題。注意人稱的變化而引起的主謂一致問題。 例例Many people speak English. English by many people. He washed his shoes yesterday. H

14、is shoes by him yesterday.is spokenwere washed一變一變二套二套 三注意三注意v把主動語態變成被動語態1.She waters the flowers every dayThe flowersare wateredby her every day.3.They do their homework after school.Their homework is done by them after school. 2. I bought a computer last term A computer was bought (by me) last ter

15、m.vStep four:閱讀訓練（內容在講義中）vStep five:讓學生把本節課所學內容總結在筆記本上(在老師指導下）vThank you for your listening Practice Practice1. The sick boy _ to hospital by the police yesterday.A. is taken B. was taken C. takes D. took2.This school has a long history. It _ 100 years ago. A. builds B. built C. was built D. has bui

16、lt B BC C_3.The Olympic Games _ every four years. A. are held B. were held C. are holding D. will hold .4.-Whos the little boy in the photo, Susan? -Its me. This photo _ ten years ago. A. takes B. is taken C. took D. was taken A AD D_1.The children _ not to smoke. A. are told B. told C. tell D. are

17、telling2.English _ by about 400 million people in the world. A. is spoken B. speaks C. speak D. are spoken3.It is said that a new school _ here soon. A. will build B. is built C. will be built D. is building4.-May I use your bike? -Im afraid you cant. It must _ now. A. repair B. be repaired C. repai

18、red D. is repaired 5.This famous tower has a long history. It _ more than 300 years. A. builds B. built C. be built D. was built A AA AC CB BD D_ 觀察下列句子并總結觀察下列句子并總結. 1. Some new buildings will be built soon. 2. More important meetings will be held here. 3. It will be visited by many people. 4. It wi

19、ll be loved by more and more people. 5. We believe it will be known by the people all over the world.1.The letter _ (post) tomorrow. . 這封信明天將被寄走這封信明天將被寄走. .2.A new film _ (show) next week. 一部新電影下周將被上演一部新電影下周將被上演. .一般將來時的被動語態一般將來時的被動語態: will+be+過去分詞過去分詞Practice :will be postedwill be shown/ showed 觀察

20、下列句子并總結觀察下列句子并總結.1.No eating and drinking 1.No eating and drinking cancan be allowed be allowed in the in the chemistry lab.chemistry lab.2.The waste paper 2.The waste paper should be thrownshould be thrown into the into the paper basket.paper basket.3.Nothing 3.Nothing maymay be touched be touched

21、withoutwithout permission. permission.4.Everything 4.Everything must be putmust be put back after the back after the experiment. experiment. 5.The lab 5.The lab should be keptshould be kept clean. clean. 3.The hard work _ (finish) tomorrow and then well have a two-day off. 4.A party _ (hold) for gra

22、ndmas birthday next week.5.She has moved to the new building. Her old house _ (sell) soon. will be finishedwill be heldwill be soldRules for the Chemistry LabRules for the Chemistry Lab1.No eating and drinking can be allowed in the chemistry lab.2.Waste paper should be thrown into the paper basket.3

23、.Nothing may be touched without permission( (允許允許).).4.Everything must be put back after the experiment.5.The lab should be kept clean.在實驗室里吃和喝不在實驗室里吃和喝不能被允許能被允許. .實驗室實驗室應該被保持應該被保持整潔整潔. .廢紙廢紙應該被扔進應該被扔進紙簍里紙簍里. . 不得到允許不得到允許, ,什么都什么都不能不能( (被被) )摸摸. .實驗后每樣東西實驗后每樣東西必須被放回必須被放回. . 3.The young trees must _(

24、look) after well. 4. Wild animals should _(protect).5. The raising of the flag can _(see) every morning at Tiananmen Square. be lookedbe protectedbe seen人民所了解。人民所了解。 Chao Yang is very famous both in Beijing and Chao Yang is very famous both in Beijing and in China . Some new buildings in China . Som

25、e new buildings will bewill be builtbuilt soon. More important meetingssoon. More important meetings will be held will be held herehere. It . It will be visitedwill be visited by many people. It by many people. It will bewill be lovedloved by more and more people. We believe it by more and more people. We believe it will be knownwill be known by the people all over the world. by the people all over the world.朝陽在北京和中國都很著名。朝陽在北京和中國都很著名。 新的建筑很快將新的建筑很快將被修建被修建。更多重要會議將在這里更多重要會議將在這里被召開被召開。 它將它將被許多的人參觀被許多的人參觀。它將它將被被越來越多的人所越來越多的人所熱愛熱愛。 我們相信它將我們相信它將被全世界被全世界 在被動語態中要注意的問題在被動語態中要注意的問