Unit 5 Section A 4a-4d导学案 2025-2026学年人教版八年级英语下册

Health does not consist with intemperance健康和放纵，彼此不相容 八下英语Unit 5 Section A 4a-4d导学单 粗备课： 班级__________ 姓名_____________ 课题 Unit 5 Nature’s Temper Section A 4a-4d Grammar 核心素养 1. 握过去进行时的结构（was/were + doing）；熟悉when/while在过去进行时中的用法区别。  2. 能识别句子中表示 “过去持续动作” 的动词；能用when/while合并句子；能运用was/were/when/while完成语篇填空。 3. 体会过去进行时在描述 “过去场景” 中的作用，提升语言表达的生动性；学会准确区分when/while的用法，增强语法运用的严谨性。 学习重点 识别过去持续动作、用when/while合并句子； 学习难点 在语篇中正确运用过去进行时及when/while。 学 生 活 动（自主参与、合作探究、展示交流） ( 通过预习，您掌握了哪些 ： )【预习--筛出重难点--提高了我的课堂听课效率】 （小组成员课前共同完成） 任务一：语法回顾 用括号内动词的适当形式填空： 1.I ____________ (do) my homework when the typhoon hit. 2.They ____________ (drive) home when the strong winds started. 3.While we ____________ (wait) in the safe room, my sister was crying. 任务二：重点短语翻译 1. 降落在....上_____________ 2.写信____________ 3.下倾盆大鱼______________ 4.撞击_____________ 5.立刻；马上____________ 6.躲避___________ 新授课堂 Step1：自主学习（课前） 1. 写出过去进行时的基本结构； 2. 思考：when和while在描述过去动作时的区别是什么？ ________________________________________________________________________________________ 2. 阅读4a句子，用横线划出表示过去正在进行的动作的动词短语。 _____________________________________________________________________________ Step 2:Grammar Focus 讲解：归纳用法 when & while 用法区别： while 后接 ____________ 动词（常用过去进行时） when 后接 ____________ 动词（常用一般过去时，也可接延续性动词） Step 3:4b 识别语法点，巩固认知 句型合并，强化运用（4b） 用 when 或 while 合并下列句子，注意时态变化： 1. I did my homework. The typhoon landed on the coast. 2. The power went out. My father and I made dinner. 3. Kate wrote a letter. Her brother called to warn her of the storm. Step 4:4c & 4d 活动：填空练习，强化运用 用 was, were, when, while 补全短文： When Jenny looked up, thick black clouds were forming in the sky, and the rain ____________ beating against their roof. “Quick, this way,” said Dad. The family ran to the safe room at once. ____________ they were waiting, Jenny’s little sister started to cry. Dad gave her some chocolate and told her that they ____________ hiding from an angry lion. Soon, she was laughing again. At last, the storm passed. ____________ they stepped outside, they found the sun shining. People were asking one another if they were safe while some ____________ starting to clear the streets. Jenny smiled. The tornado was scary, but it also brought everyone closer together. Step 5:口语互动，综合运用, Step 1 两人一组，分角色（记者 / Jenny的家人），创编采访对话，参考支架： A: What were you doing when the tornado hit? B: My family and I were hiding in a safe room. A: What were you doing while you were waiting there? B: Oh, while I was ____________ (doing sth.), my sister was ____________. A: Did your family make any preparations before the tornado? B: Yes, we ____________ / No, we ____________. Step 2 写下你们的完整对话：____________________________________________________ ________________________________________________________________________ Step 6:Homework 1. 背诵4a核心句型，默写 when/while 用法区别 2. 用 When the typhoon hit, I was... 写3句话描述自己的经历 3. ( 反思栏： ) ( 概括栏： ) ( 提炼栏： )拓展：用英语写一段“我经历的突发场景”（如停电、暴雨），用到两种时态和 when/while Health is better than wealth 健康胜于财富 学科网（北京）股份有限公司 $