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课件网) Unit 6 When disaster strikes Understanding ideas (grammar) （新教材外研版）八年级 上 01 Learning objectives 02 Lead in 03 Review 04 Understanding 05 Application 06 Innovation （外研版版）八年级 上 07 Summary 08 Homework 01 Learning objectives By the end of the lesson, I will be able to... 1 学生能掌握 “过去进行时 + when/while 引导的时间状语从句” 的语法结构；理解并运用 “erupt, spread, cover” 等与灾害相关的词汇。 2 能正确完成句子 / 语篇的动词形式填空；能运用目标句型和词汇描述自然灾害场景。 3 通过总结、练习，掌握 “过去进行时 + 时间状语从句” 的用法；能模仿示例完成简单的灾害故事写作。 02 Lead in 03 Review Activity 5 Read and find (a) That night, I was sleeping when the ground shook very hard. (b) We moved on while the cloud was spreading over the land like a flood. The form of past continuous: was /were doing The meaning of past continuous: To talk about ongoing past actions. 04 Now find more sentences with these structures in the reading passage. 1. My mother and I were staying in a town near Pompeii. 2. By six o’clock the next morning, many buildings were still shaking. 3. All around us, women were calling, children were crying and men were shouting. 4. People were trying to find their families in the dark. Understanding 04 The past continuous tense Understanding 过去进行时 含义：表示 “过去某一特定时间正在发生的动作” 或 “过去一段时间内持续进行的动作” 的时态。 1. 过去某一具体时刻 / 时间点正在发生的动作。 04 The past continuous tense Understanding 标志词：at 8 last night（昨晚 8 点）、this time yesterday（昨天这个时候）、when/while 引导的时间点等。 例句： He was reading a novel at 9 o'clock last evening.（昨晚 9 点他正在看小说。） 04 The past continuous tense Understanding 2. 过去某段时间内持续进行的动作（可能未完成） 标志词：from 3 to 5 yesterday afternoon（昨天下午 3 到 5 点）、all night（一整晚）、during the summer holiday last year（去年暑假期间）等。 例句： They were building a bridge during those months.（那些日子里他们一直在建一座桥。） 04 The past continuous tense Understanding 一、基本结构表 句式类型 核心格式 例句（中英文对照） 肯定句 主语 + was/were + 动词 - ing He was preparing for the exam.（他当时正在准备考试。）They were walking in the park.（他们当时正在公园散步。） 否定句 主语 + was/were + not + 动词 - ing She wasn't watching the movie.（她当时没在看电影。） We weren't late for the meeting.（我们当时没迟到。） 一般疑问句 Was/Were + 主语 + 动词 - ing？ — Were you listening to music （你当时在听音乐吗？） — Yes, I was. / No, I wasn't.（是 / 不是。） 特殊疑问句 疑问词 + Was/Were + 主语 + 动词 - ing？ What was he doing at that time （他当时在做什么？） Where were they traveling （他们当时在去哪里旅行？） 04 The past continuous tense Understanding 二、动词 - ing 变化规则表 规则类型 具体要求 示例（动词 → 动词 - ing） 一般情况 直接在动词末尾加 -ing read → reading（读）、play → playing（玩）、study → studying（学习） 以不发音的 e 结尾 去掉末尾不发音的 e，再加 -in ... ...
