Unit 2 Wildlife Protection Discovering useful structures 课件-2022-2023学年高中英语人教版（2019) 必修第二册

Lead in What are they doing in the picture? The polar bear is swimming. The panda is eating bamboo. The elephant is doing sports. 现在进行时构成：am/is/are + ving 被动语态基本构成：be + ved (过去分词) Blue whales were hunted by Japanese. The rhinos should be protected. The Tibetan antelopes are being protected in Changtang. Lead in Unit2 Wildlife Protection The Present Continuous Passive Voice 现在进行时的被动语态 3 am/is/are+being+ved(过去分词) 现在进行时被动语态基本构成： The bamboo is being eaten by the panda. The panda is eating bamboo. The water is being polluted now. All possible means are being used to prevent water pollution these days. 1. 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? 4 2. 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 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. 3. 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. Small birds ________________ (catch) with nets. Wild ducks _______________ (sell) at food markets. Fish and snakes __