Unit 2 Wildlife Protection Discovering Useful Structures (ppt课件) -2023新人教版(2019)《高中英语》必修第二册.pptx

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1、Discovering Useful StructuresEnjoy Enjoy a a song:song:Love to be loved by youLove to be loved by youLove 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Marc Terenzi马克特伦茨。2005年,Marc与德国歌手Sarah Connor莎拉寇娜结婚时,将这首歌作为爱的礼物献给妻子。Lead inLead inFill in the blank with theFill in the blank with the lyrics lyrics.Bab

2、y,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 touch you To find out the dream is true I _ to be lovedI need to be _ I love to be _ by youloveloveblindedblindedlovelovelovedlovedlovedloved被动被动语态语态主动主动语态语态歌词歌词被动语态的构成e

3、at-ate-eatenwas eaten 被动语态的构成bitebitbittenwas bittenWhat are they doing now?A house is being 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.Transla

4、te the sentences into Chinese and make a comparison.1.African elephants are being hunted.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?美洲象正在被猎杀猎人正在猎杀

5、美洲象为了帮助他们,什么正在被做人们正在做什么来帮助他们什么措施正在被用来帮助他们?人们采取什么措施来帮助他们?Analyse the structureBe(am is are)+being done现在进行时被动语态(the present continuous passive voice)含义:现在进行时的被动语态表示现在或现阶段正在进行或发生的被动动作,强调主语是动作的承受着。现在进行时:现在进行时:am/is/are+v-ingam/is/are+v-ing 被动语态:被动语态:be +vbe +v过分过分 am/is/are+vam/is/are+v过分过分being意义:现在意义

6、:现在正在发生正在发生的的被动的被动的动作。动作。(时态和语态(时态和语态结合结合,先体现,先体现时态时态,后体现,后体现语语态态)Look!The car is being repaired.表进行表进行表被动表被动现在进行时被动语态:现在进行时被动语态:主语主语 +(by)+(by)“三变三变”原句主语原句主语 byby 短语短语原句原句宾语宾语 主语主语 谓语由主动谓语由主动 被动被动“三不变三不变”原句原句意思意思不变不变 原句原句时态时态不变不变 原句主谓宾以外原句主谓宾以外成分成分不变不变主动语态变被动语态的原则主动语态变被动语态的原则The teacher is always p

7、raising him.The nurse is taking care of the children.The education program is under discussion.He is always being praised by the teacher.The children are being taken care of by the nurse.The education program is being discussed.Explore the rulesCarrots are being eaten by the rabbit.A book is being r

8、ead by the girl.Our fur is being used to make sweaters.Present Progressive Passive Voice现在进行时的被动语态现在进行时的被动语态1.1.定义定义:_ _1.1.定义定义:_ _表示“某人或某事此时此刻正在被做正在被做”,主语是动作的承受者,表示说话时或现阶段某个被动的动作正在进行被动的动作正在进行。A basketball is being played by Mike.2.2.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:a

9、m/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:特殊疑问词+一般疑问句What is being discussed at the meeting now?1.1.必须是必须是当前当前/现在正在发生现在正在发生的动作。的动作。2.2.必须是必须是延续或反复延续或反复进行的动作。进行的动作。3.3.必须是必须是被动被动的动作。的动作。The new canteen (build)at the moment.Some

10、endangered species (disappear)now.The news (know)by all now.is being builtare disappearingis knownThe plan (discuss)at the meeting at present.The custom still (exist)nowadays.Tell me what (happen)now?The book (belong)to me now.Listen!The song (sing)again.He may (interview)at the moment.is being disc

11、ussedexistsbelongsis happeningis being sung be being interviewed1.1.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/are)+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

12、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In 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

13、 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)for food in restaurants.And even worse,the wetland _(destroy).Some parts _ _(cover)with new houses.You can see rubbish everywhere

14、.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 pollutedare being covered现在进行时的被动语态am/is/aream/is/arebeing being donedoneSample ConversationA:What is being done in our neighbourhood to protec

15、t 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 because 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 he

16、lp protect the birds by making the roads around the park free from cars.Sample Conversation:Sample Conversation:A:A:What is being done in our neighbourhood to protect animals and plants?B:B:Well,the old trees in the park are being protected.A:A:Oh yes.They are being protectednot only because they ar

17、e very old but also because they are the natural habitat for songbirds.D:D:Yes,that would certainly help make the air cleaner for them.C:C:Thats right.Perhaps they could help protect the birds by making the roads around the park free from cars.Choose the suitable verb Choose the suitable verb form.f

18、orm.1 1Im(working/being worked)at home today because my office Im(working/being worked)at home today because my office is(painted/being painted).is(painted/being painted).2 2The alarming report is(written/being written).It will be The alarming report is(written/being written).It will be finished soo

19、n.finished soon.3 3What part of the city is(attacked/being attacked)now?What part of the city is(attacked/being attacked)now?4 4Right now the deer are(watched/being watcher)over by many Right now the deer are(watched/being watcher)over by many volunteers.volunteers.5 5Who is(hunting/being hunted)the

20、 kangaroos?Where are they Who is(hunting/being hunted)the kangaroos?Where are they(hunted/being hunted)?(hunted/being hunted)?6 6It is reported that living spaces for wildlife are It is reported that living spaces for wildlife are(reduced/being reduced)due to the cutting of trees.(reduced/being redu

21、ced)due to the cutting of trees.Activ.Activ.1 11.1.不知道施动者不知道施动者2.2.不不强调施动者强调施动者3.3.不想不想说施动者说施动者4.4.只想只想说结果说结果5.5.施动施动者不是人者不是人6.6.为平衡句子结构为平衡句子结构Mr.Chen,the window glass was broken.Look!A new bridge is being built.The door was locked.The new bill has just been passed.We are shocked by what he did.The

22、book was written by a woman scientist who made great contributions to scientific research.1.It is reported that many a new house _ (build)at present in the disaster area.is being built2.Traditional folk arts of Tianjin like paper cutting _ (exhibit)at the culture show of the 2010 Shanghai World Expo.are being exhibited3.Hi,Terry,can I use your computer for a while this afternoon?Sorry.It _(repair).is being repaired4.Would you please keep silent?The weather report _(broadcast)and I want to listen.is being broadcastThanks for your attention!

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