Unit 2 Wildlife Protection Discovering Useful Structures 课件-2024-2025学年高中英语人教版（2019）必修第二册

Unit2 Wildlife Protection Discovering Useful Structures -Brandy 1 Identify the present continuous passive voice. Master the present continuous passive voice’s structure and function. Lead in Enjoy the song: Love to be loved by you Fill in the blank with the lyrics. Baby, tell me how can I tell you That I ________ you more than life Show me how can I show you That I'm _______ by your light When you touch me I can touch you To find out the dream is true I _______ to be loved I need to be _______ I love to be ________ by you love blinded love loved loved 主动语态 被 动 语 态 Love 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。 Simple（一般） Continuous（进行） Present （现在） do/does Tense is/am/are doing Perfect（完成） Perfect continuous完成进行 Past （过去） Future （将来） have/has done have/has been doing did was/were doing had done Had been doing will/shall do will/shall be doing will/shall have done will/shall have been doing review 现在进行时的被动语态 Present Continuous Passive Voice be doing 现在进行时 be done 被动语态 be being done 现在进行时的被动语态 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 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 ( ) 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 ( ) 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宾语 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 句型 1）肯定形式：am/is/are＋being＋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? 10 2.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 done? Summary ①表示说话时正在进行的被动动作,句中常用now, right now, at this moment, at present等时间状语。 Some food is being eaten by the bear now. ②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. ③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. ④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。 【练习】判断正误。 This door was being opened by Li Ming. This door was opened by Li Ming. ⑤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 1. 目前这个城市正受到进攻。 The city is under attack at the moment.  2. 桥梁正在建筑中。 The bridge is under construction.  is being constructed 17 They are being hunted, illegally, for their valuable fur. Much is being done to protect wildlife. Choose the suitable verb forms to complete the sentences. . 1. I’m (working/being worked) at home today because my office is (painted/being painted). 2. The alarming report is (written/being written). It’ll be finished soon. 3. What part of the city is (attacked/being attacked) now? TIPS: 1. Read the sentence carefully to make sure whether it is proper to use present continuous tense. 2. Analyze the relationship between the subject and its verb to decide whether it is proper to use passive voice. 19 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’s reported that living spaces for wildlife are (reduced/being reduced) due to the cutting of trees. 20 wetland 21 Is the scenery fascinating? 22 However, something terrible is being done to the wetland ... 23 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. It was an interesting place for all of us. But things have begun to change in recent years. 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. 24 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 ________________ (polute) seriously every day. I am very worried about it. What can we do? are being caught are being sold are being killed is being destroyed are being covered is being polluted 25 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 1. It is reported that many a new house _____ at present in the disaster area. A. are being built B. were being built C. was being built D. is being built 2. — Hi, Terry, can I use your computer for a while this afternoon? — Sorry. _____. A. It’s repaired B. It has been repaired C. It’s being repaired D. It had been repaired 3. Would you please keep silent? The weather report _____ and I want to listen. is broadcast B. is being broadcast C. has been broadcast D. had been broadcast 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 done? Summary 句中常用now, right now, at this moment, at present等时间状语。 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。 Love to be loved by you Marc Terenzi 100 Лирических песен для двоих, track 71 Pop , Soul , Dance , Pock 242615.05 XXX - 163 key(Don't modify):L64FU3W4YxX3ZFTmbZ+8/VMAlepk5LM0UU3O5hlSsp38QxGPFxw6xek6GX4AgUQ3yc0gOYmwRRDuIW7UVeeCvTX6IehTfcgz7swDV12fpUUpNjpFbbWZHmoBtm0WrQiMg3bmtib7BgIo3NsRa/oLYG8Gzjm5bfu082qKli9Jtz6Iv90WJcSsXXZGLtuFeDtoqnx3DARI50URvDu6r1zJWY4cR2DXpwofmoGKmwrwcuuCfRvQM2Zy6PeMAHrQ6jGT25fEaeHG/1HgeHsYE1YeAUWIwkTDmCY+NSWJSw99WCUBNg0g0CzeoeIDYtO4n2XowH9q9A1yrfe8ctWjMIv1UVxtKp3BJnJ6ulqBy4hnet+eLLgsp2qJUvQQI8dAYV7buOuSwzIgYurePjNEEI/p20kRjENpheBgkFaUmTlFogXkPGA6UsSn0/cNTrtyqi3wnl/ITK9OhhGh4wWjTjyRiTFjWUTdyoRkf4550DwbbHk= isn't being built Is a modern school being built Where is a modern school being built？ [即时训练1]　句型转换 They are building a modern school in his hometown. →①A modern school in his hometown.(改为被动语态) →②A modern school ___ in his hometown.(把①句改为否定句) →③___________________________ in his hometown？(把①句改为一般疑问句) →④_________________________________(对①句就in his hometown进行提问) is being built $$