（2019版）新人教版高中英语必修第二册Unit 2 Discovering Useful Structures -ppt课件.pptx

1、Unit 2 Wildlife Protection Discovering Useful Structures123GoalsIdentify the present continuous passive voice to highlight its form and function;Understand and practise using present continuous passive voice in sentences and passages;Prepare a report applying the present continuous passive voice to

2、share knowledge of local wildlife conservation, as well as opinions and solutions.Lead inEnjoy the song: Love to be loved by you Fill in the blank with the lyrics.Baby, tell me how can I tell youThat I _ you more than life Show me how can I show you That Im _ by your light When you touch me I can to

3、uch you To find out the dream is true I _ to be lovedI need to be _ I love to be _ by you loveblindedlovelovedlovedLove To Be Loved By You 是一首旋律优美的英文歌曲，演唱者是美国流行歌手马克特伦茨（Marc Terenzi）。2005年，Marc与德国歌手莎拉寇娜（Sarah Connor）结婚时，将这首歌作为爱的礼物献给妻子。主动主动语态语态被动被动语态语态Warming upWhat are they doing now?A house is being

4、 built by the workers.The workers are building a house.Explore the rulesA basketball is being played by Miki.A book is being read by the girl.Our fur is being used to make sweaters for people like you.小结：Present Progressive Passive Voice 现在进行时的被动语态1.1.定义定义：_ _表示“某人/事此时此刻正在被”，主语是动作的承受者, 表示说话时或现阶段某个被动

5、的动作正在进行。2. 结构结构 1）肯定形式：am/is/arebeing过去分词The house is being painted. 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 village?1. The plan _ this month. 计划本月正在执行。2. You

6、r computer _ now. 现在没人修理你的电脑。3. _ these fields _ this week？ 这周有人在给这些地浇水吗？4. Where _ you _ now？ 现在你们在哪里接受面试？is being carried outis not being repairedArebeing wateredarebeing interviewed3. 主动语态变被动语态的原则主动语态变被动语态的原则“三变”例：They are building nine parks.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

7、不变Nine parks _ by them. How many parks _?are being builtare being built例：1. Mary _ (interview) now.2. Look! The baby _ (take care of) by her aunt.3. The disease _ (study) at present by scientist.4. 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。is being taken care ofis being studiedis being intervie

8、wed（2）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。例：1.今晚将要举办一场晚会。 An party _ (held) tonight.2.下面将唱一首民歌。 A folk song _ (sing) next. 3.据说下周日早上八点他将开飞机去。 It is said that a plane_(flow) by him to America at eight next Sunday morning. is being heldis being sungis being flown(3)没有进行时的被动语态一些表示状态、心理活动、拥有、存在等的动词(和主动语态一样)一般不用进

9、行时被动语态, 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。 【练习】判断正误。 小王, 过来,有你的电话。Xiao Wang, come here. You are being wanted on the phone. Xiao Wang, come here. You are wanted on the phone. (4)表示被动结构“be +under/ in等介词+名词” 结构可替换进行时被动语态。 is being attacked例：1. 目前这个城市正受到进攻。The city is under attack at the moment. 2. 桥梁正在建筑

10、中。The bridge is under construction. is being constructedPractice1 Choose the suitable verb forms to complete the sentences.1. 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

11、of the city is (attacked /being attacked)now?4. Right now, the 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 wildife are (reduced/being reduced) due to the cuttin

12、g of trees.2 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.In the wetland of my hometown, there are many different kinds of animals, including wild birds, fish, snakes, insect

13、s 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 things have begun to change in recent years. Small birds _ (catch) with nets. Wild ducks _ (sell) at food markets. Fish and snakes _ (kill

14、) for food in restaurants. And even worse, the wetland _ (destroy). Some part_(cover) with new houses. You can see rubbish everywhere. The wetland _ (pollute) seriously every day. I am very woried about it. What can we do?are being caughtare being soldare being killedis being destroyedis being pollu

15、tedare being covered ProductionIn groups, discuss the questions below. Prepare to give a presentation of your ideas to the class.1. What do you know is being done in your neighbourhood to protect animals and plants?2. What suggestions do you have?u Useful Expressions: .is (are) being protected. It i

16、s good for. Its a wonderful habitat for. It makes our environment more .Sample ConversationA: 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 b

17、ecause they are the natural habitat for songbirds.D: Yes, that would certainly help make the air cleaner for them.C: Thats right. Perhaps they could help protect the birds by making the roads around the park free from cars. 1.1.现在进行时的被动语态的基本结构现在进行时的被动语态的基本结构肯定结构be(am/is/are)being done否定结构be(am/is/ar

18、e)+not+being done一般疑问结构be(am/is/are)+主语+being done特殊疑问结构特殊疑问词+be(am/is/are)+主语+being doneSummary（1）表示现在正在进行的被动动作。（2）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。 (3)没有进行时的被动语态 (4)表示被动结构“be +under/ in等介词+名词”结构可替换进行时被动语态。2.2.现在进行时的被动语态的基本用法现在进行时的被动语态的基本用法Exercises 用所给动词的适当形式填空1 History is _ by the people. ( make)2 Some

19、 trees _ on the hill now. (plant)3 A new subway _ (build) next year.4 She _ (take) to the hospital already.5 Thousands of satellites _ (send) up into the space so far.6 Notes _( take)by you right now.7 Young trees should _(water) often.madewill be builthas been takenhave been sentare being takenbe w

20、ateredare being planted1.关于在哪儿建厂的问题正在被讨论。The question about where is the factory going to be built _ now.2.正在设计一个保护自然资源的项目。A project about protecting the natural resources _3.受到攻击时应保持冷静。You should stay cool when you _4.我感到很迷惑，我们商店的商品老是被偷。I feel very puzzled that the goods in our shop _is being discu

21、ssedis being designedare being attackedare always being stolen1.Write more sentences describing what is happening while you visit a place or take part in an event and then share them with your classmates to let them guess what you did or where you have been.2. Prepare a report on what is being done in your neighborhood to protect animals and plants and the suggestions you have. Bye-bye!