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课件网) UNIT 2 WILDLIFE PROTECTION Period 3 Discovering Useful Structures The Present Continuous Passive Voice By the end of this period, students will be able to 1.learn about the meaning, form and usage of the present continuous passive voice; 2.talk about how to protect the wildlife using the targeted grammar; 3.arouse the awareness of wildlife protection. 4.cooperate with others better through teamwork. Learning Objectives: Lead-in: watch and answer What is this video about 2. What are being done to the animals in the video It is about wildlife protection. They are being hunted. 1 make laws to ban illegal hunting 2 refuse animal performances 3 don’t buy animal products 6 ... 5 provide medical aids 4 protect their habitats What measures are being taken to help those animals measures to help Brainstorm Review Describe the following pictures using present continuous tense. The zoo keeper is attending YY. Review Describe the following pictures using present continuous tense. The illegal hunters are killing the elephants. The zoo keeper is attending YY. The illegal hunters are killing the elephants. the present continuous tense: am/is/are doing… Review Discovering the structures The two sentences are telling the same thing in two different ways. Please compare the verb forms. The zoo keeper is attending YY. The illegal hunters are killing the elephants. the present continuous passive tense: am/is/are + being + done YY is being attended by the zoo keeper The elephants are being killed by the illegal hunters. Definition/Meaning: 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, 也可以用于表示按计划或安排将要发生的被动动作。 the use of present continuous passive voice Three forms: 肯定式：am / is / are + being +过去分词 否定式：am / is / are + not + being +过去分词 一般疑问式：Am / Is / Are +主语+ being +动词的过去分词 the use of present continuous passive voice Underline the present continuous passive voice in the sentences. African elephants are being hunted. What is being done to help them What measures are being taken to help them 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. 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. 3. We are observing the Tibetan antelopes these days. The Tibetan antelopes are being observed these days. Practice 1 Practice 2 Change the sentence into negative and interrogative. The Tibetan antelopes are being observed these days. 否定句： 一般疑问句： The Tibetan antelopes are not being observed these days. Are the Tibetan antelopes being observed these days Use present continuous passive voice in proper forms Read t ... ...
