【课件】人教必修二Unit 4Learning about language

1、Unit 4Wildlife protectionLearning about language1. _ far away in space or time2. _ to go down to a lower level3. _ able to control events4. _ to do something to make a change5. _ to understand how serious a situation is Discovering useful words and expressionsdistant decrease powerful affect appreci

2、ate1 Find the word or expression for each of the following meanings from the text.6. _ to run after animals in order to kill or catch them7. _ to keep someone or something safe from harm8. _ to do something as a reaction to something done or said 9. _ feeling of comfort when something worrying has e

3、nded or not happenedhuntprotectfrom respondrelief Wendy Lee was a famous photographer and always photographed _ animals in their natural habitat. One day she drove her car into the local game _ as usual to _ for some animals to photograph. wildreservehuntprotect from wild reserve powerful appreciate

4、 hunt relief species2 Complete the passage.After a while she saw some zebra with black and white lines going beneath their stomachs. “This must be a special _ of zebra,” thought Wendy. “Ive never seen one like this before.” Suddenly the zebra looked up and moved away as quickly as they could. Wendy

5、looked around and saw a _ lion in the grass. speciespowerfulShe _ the danger, so she sounded her horn loudly until the lion turned and walked away. Wendy waited for several minutes to make sure the lion was not coming back. Then she gave a smile of _. But soon her smile disappeared because she reali

6、zed that in _ the zebra _ the lion she had lost her best chance of taking some amazing photographs! appreciated relief protectingfrom3. Find the words that are related to wildlife protection.habitat protection zonereserve animal park nature parksafari parkEndangered species: South China tigerPanda T

7、ropical rainforest wildlifeMilu deer Tibetan antelopeAfrican elephantsWildlife protectionPlaces Situation die out extinction appreciate the importancePay attention to wildlife protection punish the hunters in relief in peace decrease decline threaten protect from Protection increase loss endanger hu

8、nted killed threatened do harm to affect situationSusan is cooking dinner. Dinner is being cooked by Susan. active voicepassive voiceThey are designing the car.The car is being designed. You are using our fur to make sweaters.Our fur is being used to make sweaters. An excited elephant is watching he

9、r.She is being watched by an excited elephant. 一般现在时：一般现在时：am/is/are + p.p一般过去时：一般过去时：was/ were+p.p现在进行时：现在进行时：am/is/are being+p.p过去进行时：过去进行时：was/were being +p.p现在完成时：现在完成时：have/has been+p.p过去完成时：过去完成时：had been+p.p一般将来时：一般将来时：will/shall be +p.pGrammar现在进行时的被动语态现在进行时的被动语态 The present continuous passi

10、ve voice表示表示“某人某人/事此时此刻正在被事此时此刻正在被”, 主语是动作的承受者主语是动作的承受者, 表示说话时表示说话时或现阶段某个被动的动作正在进行。或现阶段某个被动的动作正在进行。 Look! The children are being taken care of by their aunt.瞧瞧! 孩子们现在正由姑母照看着。孩子们现在正由姑母照看着。(指现在的情况指现在的情况)Children are taken good care of at school. 孩子们在学校被照看得很好。孩子们在学校被照看得很好。(指通常的情况指通常的情况)谓语动词的形式为谓语动词的形式为

11、“is / are / am + being+过去分词过去分词”。如果去掉。如果去掉being, 就成为一般就成为一般现在时被动语态或系表结构。试比较下列句子现在时被动语态或系表结构。试比较下列句子:The report is being written by one of the best students. 报告正在由一个最好的学生写着。报告正在由一个最好的学生写着。The report is well written. 报告写得很好。报告写得很好。(系表结构系表结构) 1. 肯定形式肯定形式：am/is/arebeing过去分词过去分词The house is being painted

12、. 房子正在被粉刷。房子正在被粉刷。2.否定形式否定形式: am/is/arenotbeing过去分词过去分词The trees are not being watered.3.疑问形式疑问形式:Am/Is/Are主语主语being过去分词？过去分词？Am I being watched over?4.特殊疑问句的形式特殊疑问句的形式: 把特殊疑问词放在把特殊疑问词放在一般疑问句前面。一般疑问句前面。How many bridges are being built in the village? “三变三变”: 原句主语变为原句主语变为by短语短语 宾语变为主语宾语变为主语 谓语由主动变为被动

13、谓语由主动变为被动 “三不变三不变”: 原句意思不变原句意思不变 原句时态不变原句时态不变 原句主谓宾以外成分不变。原句主谓宾以外成分不变。 They are building nine parks. Nine parks are being built by them. How many parks are being built?主主动动语语态态变变被被动动语语态态现在进行时的被动语态基本用法现在进行时的被动语态基本用法：1.表示现在正在进行的被动动作。表示现在正在进行的被动动作。e.g:Mary is being interviewed now.My car is being repai

14、red now. The disease is being studied at present by scientist.The habitat of the panda is being studied at present .现在正在研究熊猫的现在正在研究熊猫的生活环境。生活环境。Rainforests are being cut and burned at such a speed that they will disappear from the earth in the near future. 热带雨林被砍、烧得这么快热带雨林被砍、烧得这么快, 他们将在不久的他们将在不久的将来从

15、地球上消失。将来从地球上消失。Many interesting experiments are being carried out these days.最近正在进行许多有趣的实验。最近正在进行许多有趣的实验。 2. 少数及物动词的进行时表示按计划、少数及物动词的进行时表示按计划、安排将要承受某个动作。如安排将要承受某个动作。如:An party is being held tonight.今晚将要举办一场晚会。今晚将要举办一场晚会。A folk song is being sung next. 下面将唱一首民歌。下面将唱一首民歌。It is said that a plane is bein

16、g flown by him to America at eight next Sunday morning. 据说下周日早上八点他将开飞机去美国。据说下周日早上八点他将开飞机去美国。3. 没有进行时的被动语态没有进行时的被动语态一些表示状态、心理活动、拥有、存在等的一些表示状态、心理活动、拥有、存在等的动词动词(和主动语态一样和主动语态一样)一般不用进行时被动一般不用进行时被动语态语态,常用一般现在时被动语态表示此时此刻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。如或目前主语承受谓语动词的动作。如: 小王小王, 过来过来,有你的电话。有你的电话。 【误误】Xiao Wan

17、g, come here. You are being wanted on the phone. 【正正】Xiao Wang, come here. You are wanted on the phone. 足球现在越来越流行了足球现在越来越流行了, 换句话说换句话说,它被越来它被越来越多的人喜爱。越多的人喜爱。【误误】Football is becoming more and more popular. In other words, it is being loved by more and more people. 【正正】Football is becoming more and mo

18、re popular. In other words, it is loved by more and more people. 4. 其他形式表示被动结构其他形式表示被动结构“be +under/ in等等介词介词+名词名词”结构可代替进行时被动语态。如结构可代替进行时被动语态。如:The city is under attack ( is being attacked ) at the moment. 目前这个城市正受到进攻。目前这个城市正受到进攻。The bridge is under repair / construction (=is being repaired/ construc

19、ted). 桥梁正在修理中桥梁正在修理中/建筑中。建筑中。The problem is under discussion (=is being discussed) at the meeting. 问题正在会上讨论。问题正在会上讨论。 The telephone is in use (=is being used) now. 电话正在使用中。电话正在使用中。1. 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 bu

20、ilt真题链接真题链接解析解析: 由由they hope to finish it next month, 可以知道可以知道“建造建造”工作正在进行工作正在进行, 而且主语而且主语cinema与动词与动词build之间是被动关系之间是被动关系, 因此因此使用现在进行时的被动语态。使用现在进行时的被动语态。D2. Rainforests _ and burned at such a speed that they will disappear from the earth in the near future. A. cut B. are cut C. are being cut D. had

21、been cut解析解析: 从句子的语境从句子的语境they will disappear from the earth in the near future 可以知道可以知道, “热带雨林被砍伐热带雨林被砍伐”正在进行正在进行, 因此使用现在因此使用现在进行时的被动语态。进行时的被动语态。C1 Can you find sentences using the present progressive passive voice from the reading passage?1) We _ for the wool beneath our stomachs. (Line 9)2) Our f

22、ur _ to make sweaters for people like you. (L10)Discovering useful structuresare being killedis being used3) I wonder what _ to help you. (L12)4) Daisy turned round and saw she was being watched by an excited elephant. (L15)5) So good things _ here to save local wildlife. (L25)is being doneare being

23、 done2 Answer the following questions.1) Who is studying the rhino? The rhino is being studied by _2) Who is protecting the African elephant? The African elephant is _being protected by the WWF.Beijing University students.3)Who is hunting the Tibetan antelope?The Tibetan antelope is_.4)Who is taking

24、 photos of the panda?The panda is _.being hunted by people who wish to take the fur from under their stomachsbeing photographed by Daisy5) Who is killing the whales? The whales _ _6) Who is attacking the mice? The mice _ are being killed by the Japanese fisherman.are being attacked by the cat.7) Wha

25、t is being done for the Milu deer? They are being kept in _.8) What is being done for the rhino? It is being _ _.a reserve near Beijing protected by the government of the countries where it lives 9) What is being done to the rainforest? It is _ _.10) What is being done to millipedes? They _ _. being

26、 destroyed by the poor farmers who want land to grow crops are being used to make drugs to protect people from mosquitoesSuggested answers to exercise 3.1.If my friend is being attacked, I should shout for help.2.If I am followed by a stranger, I should go into a busy, lighted street.3.If I am being

27、 kept waiting, I should be patient and read a book.4.If I am being asked difficult questions, I should give myself time to think of a satisfactory answer.5. If I am being bitten by mosquitoes, I should put on some insect spray which will drive the mosquitoes away.6. If I am being run after by a dog,

28、 I should stop and pretend not to see it.7. If I am being punished by my parent for something I did wrong, I should say that I am sorry and not do it again.8. If I am being praised, I should thank the person politely and feel happy. 一、请找出下列各句中的错误并改正。一、请找出下列各句中的错误并改正。1. Look! A frog is swallowed by a

29、 snake over there. 2. These animals are hunting at such a speed that they will disappear soon.beingbeing hunted3. 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.being5. Thousands of families are fleeing their homes beca

30、use their country is under attacked.being1. -Have you moved into the new house? -Not yet. The rooms _. A. are being painting B. are painting C. are painted D. are being painted二、单项选择二、单项选择D2. Selecting a mobile phone for personal use is no easy task because technology _ so rapidly. A. is changing B.

31、 has changed C. will have changed D. will changeA3. The building _ now will be our dormitory. A. build B. being built C. built D. building4. -Do you like the material? -Yes, it _ very soft. A. is feeling B. felt C. feels D. is feltBC5. It is said that panda _ in our country year after year. A. are b

32、eing disappeared B. are disappearing C. will be disappeared D. will disappearB6. Look! Everything here is under construction. Whats the pretty small house that _ for? A. is being built B. having been built C. is built D. is building7. The patient _ now. He will come out soon. A. is examined B. is be

33、ing examined C. is examining D. has examinedAB8. John _, for he went swimming yesterday without permission. A. would punish B. had punished C. was punished D. punished9. If rubber _, it gives off a terrible smell. A. burnt B. will burn C. have been burned D. is burnedC D 10. This book _ under the be

34、nch for two days. A. has put B. has been lying C. has been put D. has been laid11. What should _ must _. A. do; do B. be done; be done C. to be done; do D. do; be doneCB12. He _ and was made to repeat it. A. was not understood B. didnt understood C. wasnt understand D. didnt understand A 13. I still

35、 dont know what _ while I was away. A. has happened B. was happened C. happened D. had happenedC 14. The bridge which _ last year _ really beautiful. A. was built; looks B. was building; looks C. was built; is looked D. was building; is lookedA15. Water _ at 100. A. boils B. is boiled C. has been bo

36、iled D. has boiled16. The manager told me that he _ in 1975. A. has born B. born C. was born D. had bornAC 17. The camera you _ now _ to me. A. use; is belonged B. are using; is belonged C. use; is belonging D. are using; belongs D18. I _ that they _ a new machine. A. was told; were designing B. told; were designing C. was told; designing D. told; had designedA四、用被动语态的适当形式填空四、用被动语态的适当形式填空1. Dont worry about her. She _(meet) by her friends as soon as she arrives.2. He _ (operate) on twice for that disease.3. The n