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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,人教版必修,第二册,Period 3 Discovering Useful,Structure,The Present Continuous Passive Voice,Unit 2 Wildlife Protection,人教版必修第二册Period 3 Discovering U,1,Learn to know the structure of present continuous passive voice.,Learn to use present continuous passive voice to describe the ongoing events.,Learn to use present continuous passive voice to describe the endangered animals conditions and measures taken to help them.,Learn to know the structure of,2,Have you still remembered the structure of present continuous tense?,Have you still remembered the use of present continuous tense?,Have you still remembered the,3,Learn to know the structure of present continuous passive voice,Learn to know the structure of,4,课本,18,页第,1,题,Underline the present continuous passive voice in the sentences and discuss its function.,African elephants are being hunted.,What is being done to help them?,What measures are being taken to help them?,am/is/are+being+P.P,课本18页第1题Underline the present,5,Find more sentences with the same verb form in this unit.,They are being hunted,illegally,for their valuable fur.,Much is being done to protect wildlife.,Find more sentences with the s,6,the use of present continuous passive voice,Present continuous passive voice is used in the same conditions where present continuous tense is used.But it express a passive voice.,the use of present continuous,7,They are being hunted,illegally,for their valuable fur.,People are hunting Tibetan antelopes,illegally,for their valuable fur.,The two sentences are telling the same thing but in two different ways.,They are being hunted,illegal,8,Summary,现在进行时的被动语态,1.,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的动作正在进行。,Present Continuous Passive Voice,Summary现在进行时的被动语态1.定义 表示“某人/事,9,eg The man is,being questioned,by the police now.,Measures are,being taken,to protect those endangered animals.,Am I,being taken,for a ride?,eg The man is being questione,10,2.,句型,1,）,肯定形式：,am/is/arebeing过去分词,The house,is being painted,.,2,）,否定形式:,am/is/are,not,being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,?,2.句型 1）肯定形式：am/is/arebeing过,11,主语,+,am/is/are,+,being,+,done,1.,肯定式,2.,否定式,1.She,is being treated,in China now.,2.My computer,is being repaired,now.,我的电脑正在修理中。,not,not,not,主语+am/is/are+being+,12,Am/Is/Are,+,主语,+,being,+,done,3.,一般疑问式,e.g:1.,Are,these books,being sent,to Beijing,？,2._?,Is,the wall,being painted,4.,特殊疑问式,疑问词,When How Where Why What,Am/Is/Are+主语+bei,13,3.,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不变,Nine parks _ by them.,How many parks _?,are being built,are being built,3.主动语态变被动语态的原则“三变”例：They are,14,Play games,What are they doing now?,A house,is being built,by the workers.,The workers are building a house.,Play gamesWhat are they doing,15,The workers are building the house.,the workers,.,What are the workers doing,？,The house,is being built by,主语,谓语,宾语,The workers,are building,the house,宾语,主语,谓语变被动,（时态不变）,be+being+done+,by,The workers are building the h,16,Someone is hunting African elephant.,someone,.,African elephant,is being hunted by,主语,谓语,宾语,Someone,is hunting,African elephant,宾语,主语,谓语变被动,（时态不变）,be+being+done+,by,(),Someone is hunting African ele,17,They are hunting Tibetan antelopes.,them,.,Tibetan antelopes,are being hunted by,主语,谓语,They,are hunting,Tibetan antelopes,宾语,主语,谓语变被动,（时态不变）,be+being+done+,by,宾语,(),They are hunting Tibetan ante,18,Pandas are being protected in Wolong Natural Reserve.,Pandas are being protected in,19,结构：,_,am/is/are being+done,A 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,结构：_am/is/,20,When do we use the,Present Progressive Passive Voice,?,When do we use the,21,WHEN,表示,说话时,正在进行的被动动,作,.(now,at the moment),Actions,are being taken,to realize Chinese Dream,.,WHEN表示说话时正在进行的被动动作.(now,at t,22,表示,现阶段,正在进行的被动动作,.,(,说话时不一定在进行,),The problem of food safety is being studied by scientists at present.,表示现阶段正在进行的被动动作.(说话时不一定在进,23,表示一种,习惯的被动行为,(,always,constantly,),带有赞扬、羡慕、讨厌等感情色彩。,Children of our neighbors,are always being praised,by our parents.,表示一种习惯的被动行为(always,constantl,24,与某些,情态动词,连用表示对正在发生的动作进行,推测,As a result of staying up late talking last night,Jimmy,may be being scolded,by his headteacher.,与某些情态动词连用表示对正在发生的动作进行推测As a,25,【,拓展,】,现在,进行时的被动语态与,always,constantly,等词连用时，表示经常性的被动动作，此时往往带有赞赏、厌恶等感情色彩。,eg Recently my daughter is,always being,praised,by the teachers.,To the teachers anger,the same mistakes,are,always being made,by his students.,【拓展】,26,（,1,）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。,Afolksong _(sing)next.,3.据说下周日早上八点他将开飞机去,。,Itissaid that a plane_(flow),byhimtoAmericaateightnextSunday,morning.,is being held,isbeingsung,is beingflown,（1）少数及物动词的进行时表示按计划、安例：is being,27,(2),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,如,have，want，need，love,，,。,【练习】判断正误。,小王,过来,有你的电话。,XiaoWang,comehere.You,arebeingwanted,onthephone.,XiaoWang,comehere.You,arewanted,onthe,phone.,With the population increasing，more land is needed.,(2)没有进行时的被动语态一些表示状态、心理活动、拥有、存在,28,(3),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。,isbeingattacked,例：,1.,目前这个城市正受到进攻。,Thecityisunderattackatthemoment.,2.,桥梁正在建筑中。,Thebridgeisunderconstruction.,isbeingconstructed,(3)表示被动结构“be+under/in等介词+名词”,29,Use present continuous passive voice in proper forms,Use present continuous passive,30,课本,18,页第,2,题,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 of the city is(attacked/being attacked)now?,课本18页第2题Choose the suitable ve,31,4.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.Its reported that living spaces for wildlife are(reduced/being reduced)due to the cutting of trees.,n.,鹿,n.,袋鼠,vt.,减少,4.Right now,the deer are(wa,32,1.We,are doing many things to protect the,animals,.,Many things are being done to protect the animals.,Change the sentences into their passive voice.,2.We,are seeing the Tibetan antelopes next week.,The Tibetan antelopes are being seen next week.,1.We are doing many things to,33,3.We,are observing the Tibetan antelopes these,days,.,The Tibetan antelopes are being observed these days.,3.We are observing the Tibeta,34,Have you visited a wetland?,Have you visited a wetland?,35,What can you see in the wetland?,What can you see in the wetlan,36,Why should we set up the wetland?,Why should we set up the wetla,37,课本,18,页第,3,题,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,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 an interesting place for all of us.But things have begun to change in recent years.,n.,昆虫,课本18页第3题Liu Tao would like to,38,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.The wetland _(pollute)seriously every day.I am very worried about it.What should we do?,are being caught,are being sold,are being killed,is being destroyed,are being covered,is being polluted,n.,网,Small birds _(ca,39,Why does Lin Tao use present continuous passive voice in the passage?,In what conditions can we use present continuous passive voice when we are expressing our ideas?,Why does Lin Tao use present c,40,It is,reported that living spaces for wildlife are being,reduced due to,the cutting of trees.,reduce,vt.,to make something smaller or less,in size,amount,or price,缩小,;,减少,;,降低,It is reported that living spa,41,【,归纳,】,reduce,reduce.(from.)to.,把,（从,）减少到,reduce.to sth./doing sth.,使,陷入某种状况,/,状态,reduce.by.,把,减少,reduce sb.to.,降职,【归纳】reducereduce.(from.,42,eg My weight,reduces,when I stop eating sugar.,It,reduces,the risks of heart disease.,The new bridge should,reduce,travelling time,(from 50 minutes)to,15 minutes.,Costs on books have been,reduced by,20%over the past year.,eg My weight reduces when I s,43,【,语境应用,】,根据提示完成句子。,1)The number of the employees _ _,_ _(,被削减了,)40%in the last five months.,2)The population here has _ _ _(,减少到,)fifty thousand now.,3),那个军官被降职成一名士兵。,The officer,was reduced to,a soldier.,has been reduced by,been reduced,to,【语境应用】根据提示完成句子。,44,【,归纳,】,due,adj,.,预定的,;,到期的,due to:because of,由于；,因为,预期做,某,事,预定要做某事,be due,to sth./sb,.,归因于某事,/,某人,;,欠某人,be due for sth.,应有某物,;,应得到某物,【,联想,】,表示,“,由于,因为,”,的短语还有,:,because of,as a result of,thanks to,on account of,owing to,等。,【归纳】,45,【,语境应用,】,单句语法填空。,1)The policeman said the accident last night was _ driving.,警察说昨晚的事故是由于粗心驾驶造成的。,2)His new book _ next year.,他的新书预计明年出版。,due to careless,is due to be published,【语境应用】单句语法填空。due to carelessis,46,Use present continuous passive voice to describe wildlife protection in your surroundings,Use present continuous passive,47,In groups,discuss the questions below.Prepare to give a presentation of your ideas to the class.,What do you know is being done in your neighbourhood to protect animals and plants?,What suggestions do you have?,n.,临近的地方；街区,In groups,discuss the questio,48,A: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 the natural habitat for,songbirds.,A:What is being done in our n,49,C:Thats right.Perhaps they could help,protect the birds by making the roads,around the park free from cars.,D:Yes,that would certainly help make the,air cleaner for them,C:Thats right.Perhaps they,50,Finish the discuss in Activity 4.,Finish the discuss in Activity,51,
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