2019_2020学年高中英语Unit4WildlifeProtectionPeriod4课件新人教版必修.pptx

,4 语法专题课,Unit 4 Wildlife Protection,Period,Lead-in: make sentences,A reporter is interviewing Mary now.,A worker is repairing my car.,Scientist is studying the disease at present.,Scientists are studying the life of the panda at present.,Task1. Presentation.,A reporter is interviewing Mary now. 2. A worker is repairing my car.,Mary is being interviewed now.,My car is being repaired now.,. 由主动语态转变为被动语态,3. Scientist is studying the disease at present. 4. Scientists are studying the life of the panda at present.,The disease is being studied at present by scientist.,The life of the panda is being studied at present .,II. Read the sentences from the book, think about their predictive.,1. We are being killed for the wool beneath our stomachs. 2. Our fur is being used to make sweaters for people like you. 3. I wonder what is being done to help you. 4. So good things are being done here to save local wildlife.,被动语态句子的谓语动词形式是：,am / is / arebeing过去分词,Task2. Conclusion,I. Definition 现在进行时的被动语态：表示_或者_主语正在承受的动作。,此时此刻,现阶段,II.一般将来时的被动语态的各种句式,肯定式,主语+_,否定式,主语+_,Am/ is/ are主语 _?,一般疑问式,特殊疑问式,特殊疑问词+ am/ is/ are +主语+ _?,am/ is/ are being done,am/ is/ are not being done,being done,being done,III.变换方法：,1. “三变”: 原句_变为by短语,_变为主语,谓语由_变为_； 2. “三不变”: 原句意思不变, 原句时态不变, 原句主谓宾以外成分不变。,主语,宾语,主动,被动,Task 3 Test yourself!,I. Fill in the blanks. 1. Ill go to work on foot because my bicycle_ (repair). 2. The new machine _ (test) now, which makes much noise. 3.How _the new teaching method _(try) there? 4. These birds_(protect) well there. 5. Mary is such a good student that she _always _(praise) by the teachers.,is being repaired,is being tested,is,are being protected,being praised,being tried,is,II. Complete the sentences.,我们能够听见报纸在快速转动的印刷机上印刷着。 we can hear that the newspapers _ _ quickly on fast-moving printing machines. 2. 现在到处都在播放着这首歌曲。 Now this song _.,are,being published,is being played,3. 具有更多功能的手机现在正在被开发和完善。 Mobile phones with more functions _ _and _now. 4. 目前正在教授他们英语和法语。 They _ English and French _. 5. 约翰不在这里。他现在一定是在接受采访。 John _here. He _now.,are being,developed,improved,are being taught,at present,isnt,must be being interviewed,. Game: describe the pictures.,Christmas tree,Santa are sending Christmas presents.,buy Christmas presents,wrap up Christmas presents,prepare a Christmas feast(盛宴，大餐),put Christmas presents under the Christmas tree,enjoy Christmas feast(盛宴，大餐),find lots of Christmas presents,Unfogettable Christmas,Check your answers:,1. A huge Christmas tree is being decorated with mini cars. 2. Christmas presents are being sent to children by a Santa. 3. Many Christmas presents are being bought by my parents. 4. A Christmas tree is being bought by my uncle and aunt. 5. Christmas presents are being wrapped up by my parents.,6. A Christmas feast(盛宴，大餐) is being prepared by my grandmother, including turkey, pudding and cookies. 7. A wonderful Christmas feast is being enjoyed by my families. 8. Christmas presents are being put under the Christmas tree by Father Christmas. 9. A lot of Christmas presents are being found under the Christmas tree. 10. At breakfast, a photo of my family is being taken.,Task 4 Extension.,1. Shes made rapid progress recently and is always being praised by the teachers. 2. To the teachers anger, the silly questions are always being asked by his students.,. 现在进行时被动语态与_, _, _等词连用时，表示经常性的被动动作，此时往往带有赞赏或厌恶等感情色彩。,always,constantly,all the time,II. be +_ + n. 也可以表示进行时的被动语态。,1. The city is under attack at the moment. =The city is being attacked at the moment. 2. The telephone is in use now. = The telephone is being used now. 3. Many new cars are on show. = Many new cars are being showed.,under / in/ on,III.有些表“状态,心理活动,情感”等的动词,常用一般现在时的被动语态表示“正在进行”。,1. You are wanted on the phone. 2. MP3 is becoming more and more popular. In other words, it is loved by more and more people.,. Test yourself.,1. Im afraid that the road to Wolong Nature Reserve is under repair. 2. How much money we should spend on endangered tigers is under discussion.,Im afraid that the road to Wolong Nature Reserve is being repaired.,How much money we should spend on endangered tigers is being discussed?,3. The side effects of the new drug are under research. 4. The request to buy a video for each classroom is under consideration. 5. The project to make a new home for pandas is under development.,The side effects of the new drug are being researched.,The request to buy a video for each classroom is being considered.,The project to make a new home for pandas is being developed.,Task 5 Consolidation,Correct the following sentences. 1. Look! A frog is swallowed by a snake over there. 2. These animals are hunting at such a speed that they will disappear soon.,being,being,3. Will you go with me to see the film that is shown tonight? 4. The man has killed his wife. Now he is being wanted by the police. 5. Thousands of families are fleeing their homes because their country is under attacked.,being,attack,II. Multiple choices.,1. I dont suppose the police know who did it. Well, surprisingly they do. A man has been arrested and _now. A. has being questioned B. is questioning C. has questioned D. is being questioned 2. A new cinema _ here. They hope to finish it next month. A. will be built B. is built C. has been built D. is being built,3. Selecting a mobile phone for personal use is not a easy task because technology _ so rapidly. A. is changing B. has changed C. will have changed D. will change 4. Rain forests _ and burned at near future. A. cut B. are cut C. are being cut D. had been cut,5. I dont know what time it is now. My watch _. A. is repairing B. has been repaired C. is being repaired D. has repaired 6. It is said that pandas _ in our country year after year. A. are being disappeared B. are disappearing C. will be disappeared D. will disappear,7. With more forests being destroyed, huge quantities of good earth _ each year. A. is washing away B. is being washed away C. are washing away D. are being washed away 8. Are we about to have dinner? Yes, it _ in the dinning room. A. is serving B. is being served C. has been serving D. serves,9. They are living with their parents for the moment because their own house _. A. is being rebuilt B. has been rebuilt C. is rebuilt D. has rebuilt 10. Would you please keep silent? The weather report _ and I want to listen. A. is broadcast B. is being broadcast C. has been broadcast D. had been broadcast,1. What should you do