Unit 1 Nature in the balance Grammar and usage 课件-2022-2023学年高中英语牛津译林版（2020）必修第三册

Grammar & Usage (I) Ellipsis Unit 1 Nature in the balance 1 Have you ever watched any TV programmes about environmental protection? What was it about? A Exploring the rules Read the conversation of part A and answer the following questions. 1. What is the documentary about? 2. How did Jack feel when watching the documentary? 3. What do the leading experts suggest doing to solve the environmental problems? 1. What is the documentary about? It is about environmental protection. /It's about some of the worst environmental problems we are facing today. 2. How did Jack feel when watching the documentary? He felt worried when watching the documentary. 3. What do the leading experts suggest doing to solve the environmental problems? Some call for the application of modern technology, and others a change of lifestyle. Complete the sentences of part A below the conversation on page 6 2. watch it 3. I was 4. call for 5. Have you 6. It/That Finish “working out the rules” of part A 1. repeating 2. informal Think about the following questions: 1. What is ellipsis? 2. When can we use ellipsis? 3. What's the function of ellipsis? Possible answer: Ellipsis means the acts of leaving out a word or words from a sentence deliberately(故意的). We can use ellipsis when the meaning can still be understood without using a word or certain words. In other words, ellipsis is used when you do not want to repeat some words or phrases whose meaning is obvious. Using ellipsis is an efficient way to make sentences concise. Go through “Grammar notes” on page 98. 1. 祈使句中的you和疑问句中的主语 2. 当上、下或前后两个句子的宾语一致时，下句或后句常省略宾语 (You) Shut up!住嘴！ Do you know Miss Gao?—I don’t know (her)． 简单句中的省略 3. 主语和谓语都很明确，此时为了简化或显得亲切等 (You come) This way, please.(省略了主语和谓语) 简单句中的省略 1. Have a seat, please! 2. Looks like rain. 3. Let’s do the dishes. I’ll wash and you dry. 4. Got any idea about the plan? You have a seat, please! It looks like ra