必修第二册unit2-Discovering-Useful-Structuresppt课件

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1、deerkangarooreduceduedue toinsectnetneighbourhoodn. 鹿鹿n. 袋鼠袋鼠vt. 减少减少adj. 由于;因为由于;因为由于;因为由于;因为 n. 昆虫昆虫 n. = Internet; 网网adj. 净得的;纯的净得的;纯的n. 临近的地方;街区临近的地方;街区 Read after the tape and speak out the Chinese immediately.Report an ongoing eventUnit 2 Discovering Useful StructuresObserve the following sent

2、ences and Observe the following sentences and pay attention to the pay attention to the underlinedunderlined parts. parts.A wild horse is being hunted after by a tiger.Jackson is being interviewed now.Toms car is being repaired now. The disease is being studied at present by scientists.Have aHave aO

3、bserve the following sentences and pay attention to the red parts.1. African elepants are being hunted.2. What is being done to help them?3. What measures are being taken to help them?4. They are being hunted, illegally, for their valuable fur.5. Much is being done to protect wildlife, 1. A wild hor

4、se _ by a tiger.2. Jackson _ now.3. Toms car _ now. 4. The disease _ at present by scientists.5. African elepants _.6. What _ to help them?7. What measures _ to help them?8. They _, illegally, for their valuable fur.9. Much _ to protect wildlife, are being huntedis being doneare being takenare being

5、 huntedis being donegoFill in the blanks.is being hunted after is being interviewed is being repaired is being studied Ready?The Present Continuous Passive Voice( ( ( (现在现在现在现在进行时的被动语态进行时的被动语态进行时的被动语态进行时的被动语态) ) ) ) is used in these sentences. Its basic structure is:_.am/is/are + being + v-ed*定义;定义;

6、*句型结构;句型结构;*用法;用法;* 特殊用法。特殊用法。Focus on 基本用法现在进行时的被动语态现在进行时的被动语态 Were being killed for the wool beneath our stomachs. Our fur is being used to make sweaters for people like you.1. 1. 肯定式肯定式:am/is/are + being + v-ed2. 2. 否定式:否定式:am/is/are + not + being + v-ed The engineer is not being treated fairly.

7、New nature parks are not being started in China.句型句型结结构:构:定定义义: : 表示说话时或现阶段表示说话时或现阶段正在进行正在进行的的被动动被动动作作,强调,强调主语主语是动作的是动作的承受者承受者。The Present Continuous Passive Voice现在现在进行时的被动语态进行时的被动语态3. 3. 一般疑问式:一般疑问式: Is the patient being examined by the doctor now? Is a computer center being built for the students

8、?4. 4. 特殊疑问式:特殊疑问式:疑问词疑问词 + am/is/are + being+ v-ed? Who is being filmed now? Why is the house being cleaned by you?疑问词疑问词 + am/is/are + 主语主语 + being + v-ed + 其他其他?Am/Is/Are + 主语主语 + being + v-ed +其他其他?用法:用法:1.1.主语是主语是动作的承受者动作的承受者且且动作正在发生动作正在发生( (常有常有now, at present等标志词等标志词) )或持续或持续。A new teaching b

9、uilding is being built in our school.2.2.一种一种习惯的被动行为习惯的被动行为,常与,常与always, constantly 等等频度副词频度副词连用,常有赞赏或讨厌等连用,常有赞赏或讨厌等感情色彩感情色彩。I feel very surprised that the window of our classroom is frequently being broken.3.3.与某些与某些情态动词情态动词连用,表示对正在发生动作的连用,表示对正在发生动作的推测推测。The old man may be being watched over by a v

10、olunteer at the very moment.特殊用法:特殊用法:1.1.少数及物动词的被动语态可用少数及物动词的被动语态可用现在进行时表将现在进行时表将来来。 A popular song is being sung next. A party is being held tonight. 2.2.一一些表些表“状态、心理活动、情感、拥有、存在状态、心理活动、情感、拥有、存在”等的动词等的动词, , 如如: :have, want, need, love, realize等,常用等,常用一般现在时的被动语态一般现在时的被动语态表示表示“正正在进行在进行”。 Mary, come h

11、ere. You are wanted on the phone. With the population increasing, more land is needed.3.3.少数动词用于进行时态,用少数动词用于进行时态,用主动主动形式形式表示被动表示被动含义含义, , 如如: :print, cook, fry, bake, burn, hang These magazines are printing. The house is burning. The meat is cooking.4.4.某些某些“介词介词+ +名词名词”的短语也可以的短语也可以表示正在进行表示正在进行着的被动动

12、作着的被动动作, , 常见的这些介词有常见的这些介词有: : on, under, in。 The castle is under attack at the moment. = The castle is being attached at the moment. Your questions are under discussion. = Your questions are being discussed. The computer is in use now. = The computer is being used now.ExerciseExercise1. Im (working

13、/being worked) at home today because my office is (painted/being painted).2. The alarming report is (written/being written). It will be finished soon.3. What part of the city is (attacked/being attacked) now.4. Right now, the deer are (watched/being watched) over by many volunteers.5. Who is (huntin

14、g/being hunted) the kangaroos? Where are they (hunted/being hunted)?6. It is reported that living spaces for wildlife are (reduced/being reduced) due to the cutting of trees.Choose the suitable verb forms to complete the sentences.P18 2P18 3Liu Tao would like to express his concern over the wetland

15、in his hometown. Help him finish the passage with the present continuous passive voice of the verbs in brackets.In the wetland of my hometown, there are many different kinds of animals, including wild birds, fish, snakes, insects and so on. When I was in primary school, I often went there with my fr

16、iends to watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years. Small birds _ (catch) with nets. Wild ducks _ (sell) at food markets. Fish and snakes _ (kill) for food in restaurants. And even worse, the wetland _ (destroy). Some

17、 parts _ (cover) with new houses. You can see rubbish everywhere. The wetland _ (pollute) seriously every day. I am very worried about it. What can we do?are being caughtare being soldare being killedis being destroyedare being coveredis being pollutedPossible answer:Possible answer:Possible answer:

18、Possible answer:A: What is being done in our neighbourhood to protect animals and plants? B: Well, the old trees in the park are being protected.A: Oh, yes. They are being protected not only because they are very old but also because they are the natural habitat for songbirds. C: Thats right. Perhap

19、s they could help protect the birds by making the roads around the park free from cars.D: Yes, that would certainly help make the air cleaner for themP18 4In groups, discuss the questions below. Prepare to give a presentation of your ideas to the class.What do you know is being done in your neighbou

20、rhood to protect animals and plants? What suggestions do you have?现在进行时的被动语态现在进行时的被动语态现在进行时的被动语态现在进行时的被动语态1. 1. 定义定义: :表示说话时或现阶段表示说话时或现阶段正在进行正在进行的的被动动作被动动作,强调,强调主主语语是动作的是动作的承受者承受者。2. 2. 句型结构句型结构: :肯定句:肯定句:am/is/are + being + v-ed否定句:否定句:am/is/are + not + being + v-ed一般疑问:一般疑问:Am/Is/Are + 主语主语 + bein

21、g + v-ed +其他?其他?特殊疑问句:特殊疑问句:疑问词疑问词 + am/is/are + being+ v-ed?疑问词疑问词 + am/is/are + 主语主语 +being + v-ed + 其他?其他?3. 3. 用法:用法:( (1 1) )主语是主语是动作的承受者动作的承受者且且动作正在发生或持续动作正在发生或持续。(2)(2)一种一种习惯的被动行为习惯的被动行为,常与,常与always, constantly 等等频频度副词度副词连用,常有赞赏或讨厌等连用,常有赞赏或讨厌等感情色彩感情色彩。(3)(3)与某些与某些情态动词情态动词连用,表示对正在发生动作的连用,表示对正在

22、发生动作的推测推测。4. 4. 特殊用法。特殊用法。 1. (2018 1. (2018天津天津) ) My washing machine _ this week, so I have to wash my clothes by hand. A. was repaired B. is repaired C. is being repaired D. has been repaired. . 实战高考实战高考 解析解析 句意:本周我的洗衣机正在维修中,因句意:本周我的洗衣机正在维修中,因此我不得不用手洗我的衣服。本题考查时态。此我不得不用手洗我的衣服。本题考查时态。根据后半句可知,根据后半句可

23、知,设空处表示现阶段正在进行设空处表示现阶段正在进行的动作的动作,应用现在进行时,故答案为,应用现在进行时,故答案为C C项。项。2.试翻译试翻译:“. In fact, tradition also refers to the things that have been developing and that are still being created,” he said. (2018全全国国卷卷C篇阅读篇阅读)他说:他说:“.事实上,传统也指那些正在发事实上,传统也指那些正在发展和仍在展和仍在被被创造的事物。创造的事物。”. Fill in the blanks. 1. My new

24、house _ (paint), so I have to stay with my parents.2. Could you give me a lift this afternoon? My car _ (repair).3. At present, a concert _ (hold) in the new sports stadium.4. The problem of environmental protection _ (discuss) by the students at the moment. is being discussedis being painted is bei

25、ng repairedis being held 5. - I dont think the police know who did it. - Well, surprisingly they do. A man _ (question) now.6. A new car _ (design) by the engineers now.7. These days, the product _ (sell) in many supermarkets in Europe and Asia for a suggested price of $ 25.8. Would you please keep

26、silent? The weather report _ (broadcast) and I want to listen.is being broadcastis being questioned is being designedis being sold Self-evaluationSelf-evaluation各个击破Can you use the present continuous passive voice correctly?1. Finish the exercises in Learning English.2. There used to be many milu deers in China. However, 要求要求: : 续写此段文字;续写此段文字; 在适当的地方使用在适当的地方使用现在进行现在进行时时 的被动句的被动句; 词数词数100100左右。左右。

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