人教版高中英语必修二课件：Unit4-Learning-about-language(共30页).ppt

1、Discovering useful words and expressionsExercise 1: Exercise 1: 1. distant 2. decrease 3. powerful 4. affect5. appreciatefar away in space or time to go down to a lower levelable to control eventsto do something to make a changeto understand how serious a situation is Exercise 1: Exercise 1: 6. hunt

2、7. protectfrom 8. respond9. reliefto run after animals in order to kill or catch themto keep someone or something safe from harmto do something as a reaction to something done or saidfeeling of comfort when something worrying has ended or not happened Wendy Lee was a famous photographer and always p

3、hotographed _ animals in their natural habitat. One day she drove her car into the local game _ as usual to _ for some animals to photograph. wildreservehunt protect from wild reserve powerful appreciate hunt relief speciesExercise 2: Exercise 2: After a while she saw some zebra with black and white

4、 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.species protect from wild reserve powerful appreciate hunt relief speciesWendy looked around and saw a

5、_ lion in the grass. She _ 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. powerfulappreciated protect from wild reserve powerful appreciate hunt relief speciesThen she gave a smile of _. Bu

6、t soon her smile disappeared because she realized that in _ the zebra _ the lion she had lost her best chance of taking some amazing photographs! relief protectingfrom protect from wild reserve powerful appreciate hunt relief speciesThe Present Continuous Passive VoiceUNIT 4 - - GrammarSusan is cook

7、ing 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 exciting elephant is watching her.She is being watched by an excitong elephant. Grammar 现在进行时的

8、被动语态现在进行时的被动语态 The present continuous passive 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。现在进行时的被动语态现在进行时的被动语态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. 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

9、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: 把特殊疑问词放在一般疑问句前面。把特殊疑问词放在一般疑问句前面。 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 ar

10、e 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。eg:Mary is being interviewed now.My car is being repaired now. 2. 表现阶段正在进行的被动动作。表现阶段正在进行的被动动作。 The disease is being studied at present by scientist. The habitat of the

11、panda is being studied at present . 现在正在研究熊猫现在正在研究熊猫的生活环境。的生活环境。 3. 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。安排将要承受某个动作。 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。4. 有些动词进行时的主动形式就有些动词进行时的主动形式就可以表示被动的意思可以表示被动的意思,常见的这常见的这些动词有些动词有: print, cook, fry, bake, burn, hang.e.g. The house is burn

12、ing. The meat is cooking.5. 在某些在某些 “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着的被动表示正在进行着的被动,常见的这些介词常见的这些介词有有: on, undere.g. Many new cars are on show. = Many new cars are being showed. Your questions are under discussion. = Your questions are being discussed.6. 有些表有些表 “ 状态状态,心理活动心理活动,情感情感”等的动词等的动词,常用一般现在时的被动语态常用

13、一般现在时的被动语态表示表示 “正在进行正在进行”。e.g. You are wanted on the phone. MP3 is becoming more and more popular. In other words, it is loved by more and more people.1. A new cinema _ (built) here. They hope to finish it next month. Practice is being built2. Selecting a mobile phone for personal use is no easy tas

14、k because technology _ (change) so rapidly. is changing3. Rainforests _ (cut) and burned at near future. are being cut4. The building _ (built) now will be our dormitory.being built6. It is said that panda _ (disappeare) in our country year after year.are disappearing请找出下列各句中的错误并改正。请找出下列各句中的错误并改正。1.

15、 Look! A frog is swallowed by a 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 famil

16、ies are fleeing their homes because their country is under attacked.beingbe + under / in + n. 可代替进行时被动语态可代替进行时被动语态e.g. The city is under attack at the moment. The city is being attacked at the moment. 目前这个城市正遭到进攻。目前这个城市正遭到进攻。 e.g. The bridge is under repair. The bridge is being repaired. 桥梁正在修理中。桥梁正

17、在修理中。Try to put the following sentences into The Present Progressive Passive Voice. They are producing this new drug. An antelope is looking at her. They are killing us for the wool. They are destroying the farm. This new drug is being produced by them.She is being looked by an antelope.We are being

18、 killed for the wool by them.The farm is being destroyed by them. The rhino is being studied by Beijing University students. The African elephant is being protected by the WWF. The Tibetan antelope is being hunted by people who wish to take the fur from under their stomachs.Answers Ex2 :(P29) The pa

19、nda is being photographed by Daisy. The whales are being killed by Japanese fishermen. The mice are being attacked by the cat. They are being kept in a reserve near Beijing. It is being protected by the government of the countries where it lives. It is being destroyed the poor formers who want land to grow crops. They are being used to make drugs to protect people from mosquitoes.Homework1. Try to remember the key words and phrases learnt in this part.