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

Unit 2 Wildlife Protection --The Present Continuous Passive Voice Discovering Useful Structure 1 The Present Continuous Passive Voice 现在进行时 被动语态 2 1 结构：am/is/are + doing 1. We are doing many things to protect the animals. 3. We are seeing the Tibetan antelopes next week. 2. We are observing the Tibetan antelopes these days. 一、The Present Continuous Tense 现在进行时 此时此刻正在进行的动作 表示现阶段在做的动作 表示即将发生的动作 Activity1: Warming-up---Let’s review! 3 结构：be + done 英语动词有两种语态： 主动语态 (the active voice) 被动语态 (the passive voice) 二、The Passive Voice 被动语态 A. 主动语态表示主语是动作的执行者。 We planted the tree. B. 被动语态表示主语是动作的承受者。 The tree was planted by us. 4 1. 定义 一、 The Present Continuous Passive Voice 现在进行时被动语态 Activity 2: Focus on the form (3) What measures are being taken to help them?（people） (2) What is being done to help them?（people） (1) African elephants are being hunted.（hunter） Hunters are hunting African elephants. What are people doing to help them? What measures are people taking to help them? 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。 “三变” 原句主语 by 短语 原句宾语 主语 谓语由主动 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 2. 主动语态变被动语态的原则 ( ) Someone is hunting African elephant. by someone. African elephant is being hunted 主语 谓语 宾语 宾语 主语 谓语变被动 （时态不变） be + being + done + by 2. 主动语态变被动语态的原则 （时态和语态结合，先体现时态，后体现语态） 现在进行时：am/is/are + V-ing 被动语态： be + done (V过去分词) 现在进行时的被动语态：主语 + am/is/are + being + done + (by…) 表进行 表被动 二、现在进行时被动语态 3. 结构 (1) 肯定形式：主语 + be(am/is/are) ＋ being ＋ done The house is being painted. (2) 否定形式：主语 + be(am/is/are) ＋ not ＋ being ＋ done The trees are not being watered. (3) 一般疑问形式：be(Am/Is/Are) ＋ 主语 ＋ being ＋ done ？ Am I being watched over ? (4) 特殊疑问句形式：特殊疑问词 + be(am/is/are) + 主语 + being + done ？ 3. 基本结构 When is the wall being painted ? 9 1. The classroom _______________ now. 教室正在被打扫。 2. Your computer __________________ (repair) now. 现在没人修理你的电脑。 3. ____ these fields ___________(water v.浇水) this week？ 这周有人在给这些地浇水吗？ 4. Where ____ you _______________ (interview) now？ 现在你们在哪里接受面试？ is being cleaned is not being repaired Are being watered are being interviewed 3. 基本结构 Let’s watch a short video and answer: What happened to the animals? From the video we can see: Human beings kill wild animals. Wild animals by human beings. At present, human beings are destroying the environment. At present, the environment by human beings. is being destroyed are killed 12 Besides, human beings are cutting down trees for house building. Trees by human beings for house building. are being cut down Nowadays, some factories are polluting the river. Nowadays, the river by some factories. As a result, animals are losing their habitats.(栖息地) is being polluted Now, wild animals (kill) by people, and also their fur (use) to make clothes for humans. are being killed 表示现在、现阶段的词/短语有： now; at present(目前); these days(这些天来); recently(最近); at this moment(此时此刻)… is being used Great efforts ___________________ (make) to enable human and wildlife live in harmony(和谐相处). When the buying stops, the killing can too. are being made Practice (P18) 1 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 report is (written/being written). It will be finished soon. 3. What part 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 cutting of trees. 检测 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. 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 woried about it. What can we do? are being caught are being sold are being killed is being destroyed is being polluted are being covered 检测 Practice (P18) 动作 (4态) 时间(4时) 一般动作 do 进行动作 be doing 完成动作 have done 完成进行动作 have been done 主动 被动 be done 主动 被动 being done 主动 被动have been done 主动 被动 现在时 do/does am/is/are done am/is/are doing am/is/are being done have/has done have/has been done have/has been doing 不常用 过去时 did was/were done was/were doing was/were being done had done had been done had been doing 将来时 will do will be done will be doing will be being done will have done will have been done will have been doing 过去将来时 would do would be done would be doing would be being done would have done would have been done would have been doing Assignment: 1. Find out more sentences by using the targeted grammar in R & T(P16) and write down. 2. 一线精练P19: Ⅰ、Ⅱ、Ⅲ 3. (Group) Write a speech about how to protect the wildlife using the grammar; Good afternoon everyone. My name is xxx, and I am from group xx. I am here to give a speech about..xx..+(Basic information). Nowadays, something bad are being done to them. （Current situation）For example,Firstly, . Besides, . What’s worse . However, Much is being done to protect the animal . （Protective measures）First of all, . What’s more . All in all, I hope the animal can be well protected. Basic information s and shoes Current situation（现状） Protective measures(措施)： also named Chinese tiger first-class(一级) protective animal one of the most endangered species only 20 survive in the wild. environment ; destroy; human activities habitat ; damage; people food ；reduce; people natural reserve(自然保护区);set up；government tiger products trading; ban(禁止); law South China Tiger 华南虎 Basic information s and shoes Current situation（现状） Protective measures(措施)： I am here to give a speech about South China Tiger,which also named Chinese tiger.It is the first-class protective animal, one of the most endangered species and only 20 survive in the wild. Nowadays, something bad are being done to them. For example, Firstly,the environment is being destroyed by human activities.Besides,the habitat is being damaged by people. What’s worse, The food is being reduced by people. However,Much is being done to protect the animal.First of all, natural reserve(自然保护区)is being set up by government. What’s more,tiger products trading is being banned by law. All in all, I hope the animal can be well protected. Basic information s and shoes Current situation（现状） Protective measures(措施)： mainly live in high mountains in Tibet The pride of HOL XiL (可可西里的骄傲) have lived on the earth for tens of millions of years every year over 20000 antelopes; hunt; hunters Their fur ; use; to make clothes Their skin ；cut; to make bags 1) protection organization; establish；society 2) illegal hunting; punish; government Tibetan Antelope 藏羚羊 24 END Thank you Lavf56.15.102 $$