Unit6 Grammar 课件-2023-2024学年高中英语外研版（2019）必修第二册

Unit 6 Earth first Expressions & Grammar Learning aims: 1. Master the key words in this part； 2. Review the grammar: -ing and -ed as complement； 3. Learn to make sentences using the v-ing form correctly. 导课 ●明标 自主 ●合作Ⅰ Self-study: Read & Translate. 1. We see a woman swimming at night in a dark sea. 2. She felt her heart beating fast. 3. People just wanted sharks killed. 4. John found all his money stolen in the street. 5. Benchley saw sharks being killed and this caused a deep change in him. 展示 ●质疑Ⅰ 1.(P61 教材原句) What environmental problem does each cartoon refer to? 每幅漫画都提到了什么环境问题？ 【归纳拓展】 (1) refer v. 参考,查阅; 提到,涉及 —referred—referred; →referring refer to sb./sth. as … 把sb./sth.称作…… eg. Lying is usually referred to as a bad habit. (2) reference n. 参考书,参照; 涉及 【点拨探究】 refer to/ look up都可以用来表示“查阅, 参考”, 但其宾语有所不同： refer to a book/dictionary ； look up sth. in a book/dictionary . 点评 ●提升Ⅰ 说谎通常被认为是一种坏习惯。 2.(P63 教材原句) Today, as we learn more about sharks, more people than ever want to protect them from extinction. 时至今日，随着我们对鲨鱼了解的加深，越来越多的人愿意去保护它们免遭灭绝。 【归纳拓展】 as 引导状语从句的情况： ① “随着; 当……时; 一边……一边……” → 引导时间状语从句(-教材原句) eg. As she grew older, she gained in confidence. ② “因为” → 引导原因状语从句 eg. As you were out, I left a message. ③ “虽然, 即使” → 引导让步状语从句(需将as后面的表语、状语或谓语提到 前面，构成倒装句) eg. Try as he might, he couldn’t open the door. 点评 ●提升Ⅰ 随着年龄的增长，她的信心增强了。 你不在，所以我留了一张字条。 = ( However hard he tried, .... ) 他想尽了办法也没能打开门。 【归纳拓展】 as 引导状语从句的情况： ④ “按照……的方式” → 引导方式状语从句 eg. They did as I had asked. ⑤ “像……一样” → 引导比较状语从句 eg. I can’t run as fast as I used to. 我不如以前跑得快了。 点评 ●提升Ⅰ 他们是按照我的要求做的。 Task: Read the sentences and finish Activity 1 by yourself. Time: 3 minutes Requirements: Look at the sentences from the reading passage and answer the questions. Self-study: 自主 ●合作Ⅱ Activity 1 1 In sentence (a), a woman is swimming at night. 2 In sentence (b), people are frightened of sharks. 3 In sentence (a), a woman is swimming. In other words, the woman does the action of swimming. So th