Unit 2 Wild life Protection Period 3 ppt课件-（2019）新人教版高中英语必修第二册.pptx

1、Unit 1 Wildlife Protection Period 3Discovering Useful StructuresRevision1.Ill call the restaurant and make a _(reserve).2.His writing is so confusing that its difficult to make_what he is trying to express.3.The policeman observed a car_(run) on the left of the road and stopped it.4.She had been _ b

2、eauty in her day.5.Mary,I reminded John_his promise to help you.6.We cannot make sure that your firm will surely _(赚取利润赚取利润)by developing software.7.Its fantastic to swim in the sea,but you have to watch out_sharks.8.She carefully attended to the patients_(夜以继日夜以继日).reservationoutrunningaofmake prof

3、itsforday and nightRevision9.It is reported that the air force in that country is _attack.10.The medicine works more_(effective) if you drink some hot water after taking it.11.She recovered_her surprise,and answered calmly.12.He removed the table _another room.13.I_(intend) to come, but was prevente

4、d by the bad weather.14.He is unlikely to be a threat _the Spanish player in the final.15.Tigers and lions exist_meat.16.His ideas were no longer in harmony_our.undereffectivelyfromtohad intendedtoonwithKey wordsreduce rdj us v.reduce toreduce bydeerd(r) n. kangaroos kgruz n.Key wordsdue dju adj.due

5、 to insect nsekt net n.neighbourhoodnebhd n.neighbour + hood Game time netinsectprofitduedeerkangaroosneighbourhoodreduceLead in1.They are being hunted,illegally,for their valuable fur.2.Much is being done to protect wildlife,but if we really want to save the planet. we must change our way of life.3

6、.I know that theyre being hunted and their habitat is getting smaller.4.What measures are being taken to help them?The present continuous passive voice语法感知语法感知课文现在进行时被动语态课文现在进行时被动语态原句原句以上句子中的红色部分为现在进行时的被动语态以上句子中的红色部分为现在进行时的被动语态,其构成形式为其构成形式为be (am/ is /are) + being +动词的过去分词动词的过去分词。Grammar1.被动语态的构成结构被

7、动语态的构成结构时态时态主动主动被动被动一般现在时一般现在时do/doesam/is/are done一般过去时一般过去时did was/were done现在进行时现在进行时am/is/are doingam/is are being done被动语态的使用情境被动语态的使用情境不知道或者不需要提及动作的发出者；强调动作的承受者不知道或者不需要提及动作的发出者；强调动作的承受者Grammar2. 现在进行时的被动语态的构成现在进行时的被动语态的构成So many things are being done here to save local wildlife.What is being d

8、one for the milu deer?New nature parks are not being started in China.What measures are being taken to protect the endangered animals?Are milu deer being sent to China from Britain?现在进行时被动语态表示说话时或现阶段某个动作正在被进行。现在进行时被动语态表示说话时或现阶段某个动作正在被进行。现在进行时现在进行时肯定式肯定式主语主语+am/is /are+being done.否定式否定式主语主语+am/is /ar

9、e not+being done.一般疑问式一般疑问式Am /Is /Are+主语主语+being done?特殊疑问式特殊疑问式疑问词疑问词+am/is/are+ (主语主语)+being done.Grammar3.现在进行时的被动语态现在进行时的被动语态用法用法(1)表示说话时正在进行的被动动作表示说话时正在进行的被动动作(表示此时此刻某事正在被做表示此时此刻某事正在被做)。The sport meeting is being held in our school.我校正在举行运动会。我校正在举行运动会。(2)表示现阶段正在进行的被动动作，但此时此刻不一定在进行的被动动作。表示现阶段正在

10、进行的被动动作，但此时此刻不一定在进行的被动动作。 A new building is being built.一座新大楼正在建造中。一座新大楼正在建造中。(3)表示一种经常性的被动行为，常常和表示一种经常性的被动行为，常常和constantly,always,frequently等表示频率的等表示频率的副词连用副词连用,表示赞赏或者厌恶的感情色彩。表示赞赏或者厌恶的感情色彩。Mary is always being praised by her parents.玛丽总是受到她父母的表扬。玛丽总是受到她父母的表扬。(4)表示按计划或安排将要发生的被动动作表示按计划或安排将要发生的被动动作(仅限

11、少数及物动物仅限少数及物动物)。A party is being held tonight.今晚将要举行一场晚会。今晚将要举行一场晚会。Grammar4.4.没有进行时的被动语态没有进行时的被动语态(2)少数动词如少数动词如cook,fry,make,build用于现在进行时态，用主动表被动含义。用于现在进行时态，用主动表被动含义。The egg is cooking鸡蛋正在煮。鸡蛋正在煮。(1)一些表示状态、一些表示状态、 心理活动、拥有、存在等的动词心理活动、拥有、存在等的动词(和主动语态样和主动语态样)一般不用进行时被一般不用进行时被动语态动语态,常用一般现在时被动语态表示此时此刻或目前

12、主语承受谓语动词的动作。常用一般现在时被动语态表示此时此刻或目前主语承受谓语动词的动作。Jim,come here.Youre being wanted on the phone.()Jim,come here.Youre wanted on the phone.( )注意：被动语态的基本结构：注意：被动语态的基本结构：be done, 现在进行时的被动语态结构：现在进行时的被动语态结构：am/is/are+being done,不要写成一般现在时的被动时态结构不要写成一般现在时的被动时态结构am/is/are+done。A new cinema is built here. ()A new

13、cinema is being built here. ( )PracticeThey are building a modern school in his hometown.A modern school_in his hometown.(改为被动语态改为被动语态)A modern school_in his hometown.(改为否定句改为否定句)_in his hometown? (改为一般疑问句改为一般疑问句)1.根据要求转换句子根据要求转换句子 is being builtisnt being builtIs a modern school being built2.根据要求转换

14、句子根据要求转换句子Look! The baby _(take) care of by her aunt.To our delight,many endangered species_(protect) by the government now.Since your bike_(fix), you can use mine.is being takenare being protectedis being fixedLets do1. African elephants are being hunted.1 Underline the present continuous passive v

15、oice in the sentences,change them into active voice and compare the differences in meaning.Hunters are hunting African elephants.2.What is being done to help them?What are people doing to help them?3.What measures are being taken to help them?What measures are people taking to help them?Find more se

16、ntences with the same verb form in this unit.Practice1. Im (working / 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

17、deer are (watched / being watched) over by many volunteers.5. Who is (hunting / 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.2 Choose the suitable verb forms to complete

18、the sentences.PracticeIn 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 friends to watch the birds and study them. That was an interesting place for all of us. But

19、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 parts _(cover) with new houses. You can see rubbish everywhere. The wetland _ (pollute) serio

20、usly every day. I am very worried about it. What can we do?3 Liu Tao would like to express his concern over the wetland in his hometown. Help him finish the passage with the present continuous passive voice of the verbs in brackets.are being caughtare being soldare being killedis being destroyedare

21、being coveredis being pollutedPracticeIt may seem that protecting wildlife is something far from the life of a high school student, but in fact, a lot _(do) by young people around the world. In Washington State, USA, wolverines _ (study) by scientists in an effort to learn how to preserve the popula

22、tion. However, during the winter, it is difficult to attract the animals to cameras hidden in snowy forests.A group of students heard about the problem and created a special device which _ (test) deep in a snowy forest now. Their invention _ (use) to send out a certain smell near the cameras. The sh

23、y animals are attracted by the smell and coming around the cameras.They _ (observe) by a conservation researcher.Finish the following passage with the present continuous passive voice of the verbs in brackets.is being testedare being doneare being studiedare being observedis being used4 In groups, d

24、iscuss the questions below. Prepare to give a presentation of your ideas to the class.Set animal protection signsEstablish a bird protection organizationPromote the knowledge of bird protectionafforestationWhat do you know is being done in your neighbourhood to protect animals and plants? What sugge

25、stions do you have?Group workprotect animals and plantsGroup work4 In groups, discuss the questions below. Prepare to give a presentation of your ideas to the class.Key words:1. set up animal protection organization2. set animal and plants protection signs3. publicize knowledge of animals and plants

26、 protection 4. plant trees and afforestationMake conversation like this:A:What is being done in our neighbourhood to protect animals and plants?B: Well, . are being protected.A: The park is not only. , but also. We should .C: Thats right.They can.D:Yes, it will certainly make .discussion A: What is

27、being done in our neighbourhood to protect animals and plants?B: Well, the old trees and birds in the park are being protected.A: Oh, yes. The park is not only a natural habitat for birds, but also a place for us to play. We should learn to Protect the environment and live in harmony with nature.C:

28、Thats right. They can set up animal protection organization, set up animal and plants protection signs in the park, let volunteers publicize (宣传宣传) knowledge of animals and plants protection, plant trees and afforestation, and let everyone participate in activities to protect nature. D: Yes, it will

29、 certainly make Conversation examplesSummary重点词语重点词语reduce vt.减少减少,缩小缩小,降低降低deer n.鹿鹿kangaroos n.袋鼠袋鼠due adj.由于由于,因为因为 due to由于由于;因为因为insect n.昆虫昆虫net n.网网neighbourhood n.街区街区;城区城区;邻近的地方邻近的地方Language point练习练习:单句语法填空。单句语法填空。Giving up smoking _(reduce) the risk of heart disease. They are looking at w

30、ays of_(reduce) the waste of natural resources. He was advised to_(reduce) his alcohol consumption. It is reported that living spaces for wildlife are being reduced due to the cutting of trees.据报道，由于砍伐树木，野生动物的生存空间正在减少。据报道，由于砍伐树木，野生动物的生存空间正在减少。1. reduce vt. 减少减少,缩小缩小,降低降低搭配：搭配：reduce.to把把.减少到减少到. (to

31、表示结果表示结果) reduce.by把把.减少了减少了. (by表示幅度表示幅度)reduces reducing reduceLanguage point2. due to由于由于,因为因为Most of the problems were due to human error. 多数问题都是人为错误造成的。多数问题都是人为错误造成的。Water in the pond gradually diminished due to lack of rainfall. 由于缺少降雨，池塘由于缺少降雨，池塘里的水逐渐减少。里的水逐渐减少。归纳拓展归纳拓展be due to do sth.预计要做某事

32、预计要做某事 be due for应得到应得到.练习练习:单句语法填空。单句语法填空。David said that it was_(由于由于) his strong interest in computers that he chose the course.The next meeting_(预计召开预计召开) in three months.The train_(预计预计) leave for Shanghai at 8.due to/because of/owing to is due to be held is due toSummary In this lesson, we rev

33、iewed the passive voice, the simple past tense and the simple present tense, learned the use structure and situation of the present continuous passive voice.1.Review the new words and phases.2.Complete the exercise book.3.Complete activity 4, discuss with classmates and make a presentation.HomeworkHomework