Unit 13 Section A Grammar Focus-4c 课件2023-2024学年人教版九年级英语全册

Unit 13 We’re trying to save the earth! Period 3 (Grammar Focus-4c) 人教版九年级 Language Goal 1. Make a revision of “Present progressive”, “used to”, “Passive voice”, “Present perferct”, “Modal verbs”. 2. Know how to choose the right tense in different situations. Revision 不同种类的污染 2. 河底 3. 把垃圾扔到河里 4. 在……中起作用 different kinds of pollution the bottom of the river throw rubbish into the river play a part in I. Check if you know these phrases. 5. 在中国南部 6. 对……有害 7. 在……顶部 8. 海洋生态系统 in southern China be harmful to at the top of the ocean’s ecosystem II. Translation. 1. 甚至河底都满是垃圾。 2. 这个方法不仅残酷,还对环境有害。 Even the bottom of the river was full of rubbish. This method is not only cruel, but also harmful to the environment. 3. 鲨鱼处于海洋食物链的顶部。 4. 许多人相信鱼翅对健康有好处。 Sharks are at the top of the food chain in the ocean’s ecosystem. A lot of people believe that shark’s fins are good for health. Mark and Tony didn’t go swimming in the river because the river _ (be) badly polluted. It was really dirty now. People are _ (throw) litter into the river, and factories _ (be) also _ (put) waste into the river. In fact, it _ (use) be so clean, and it has always _ the nicest river in this town. Tony thinks that they _(must/should) write to the government and let the government close down the factories. Mark advises that everyone in this town _ (must/should) help to clean up the river not just the government. Fill in the blanks with the correct forms. was throwing are putting used to been should should Mark and Tony didn’t go swimming in the river because the river _ badly polluted. It was really dirty now. People are _ litter into the river, and factories _ also _ waste into the river. In fact, it _ be so clean, and it has always _ the nicest river in this town. Tony think that they _ write to the government and let the government close down the factories. Mark advise that everyone in this town _ help to clean up the river not just the government. was throwing are putting used to been should should Find Pa