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

1、Discovering useful words and expressionsExercise 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: 6. hunt7. protectfrom 8. respon

2、d9. 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 photographed _ animals in

3、 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: After a while she saw some zebra with black and white lines going beneath their stomachs.

4、 “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 _ lion in the grass. She _ the dange

5、r, 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 _. But soon her smile disappeared because

6、 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 Voice现在进行时被动语态UNIT 4 - - GrammarSusan is cooking dinner. Dinner is being

7、 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 现在进行时的被动语态 The present continuous

8、 passive voice表示“某人/事此时此刻正在被”, 主语是动作的承受者。现在进行时的被动语态肯定形式： am/is/arebeing过去分词 The house is being painted. 房子正在被粉刷。2.否定形式: am/is/arenotbeing过去分词 The trees are not being watered.3.疑问形式: Am/Is/Are主语being过去分词？ Am I being watched over?4.特殊疑问句的形式: 把特殊疑问词放在一般疑问句前面。 How many bridges are being built in the vil

9、lage? “三变”: 原句主语变为by短语 宾语变为主语 谓语由主动变为被动 “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。 They are building nine parks. Nine parks are being built by them. How many parks are being built? 主动语态变被动语态现在进行时的被动语态基本用法：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。 The disea

10、se 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生活环境。 3. 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。 An party is being held tonight. 今晚将要举办一场晚会。4. 有些动词进行时的主动形式就可以表示被动的意思,常见的这些动词有: print, cook, fry, bake, burn, hang.e.g. The house is burning. The meat is c

11、ooking.5. 在某些 “介词+名词”的短语也可以表示正在进行着的被动,常见的这些介词有: 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 “ 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”。e.g. You are wanted on the phone. MP3 is becoming more a

12、nd 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 task because technology _ (change) so rapidly. is changing3. Rainforests _ (cut) and

13、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。1. Look! A frog is swallowed by a snake over there. 2. These animals are hunting at such a speed th

14、at 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 because their country is under attacked.beingbe + under / in + n. 可代替

15、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。 e.g. The bridge is under repair. The bridge is being repaired. 桥梁正在修理中。Try to put the following sentences into The Present Progressive Passive Voice. They are producing this new drug. An antelo

16、pe 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 killed for the wool by them.The farm is being destroyed by them.The rhino is being studied by Beijing University students.The

17、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 panda 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 bein