Unit 7--第3课时（内文）-【学导练】2026年八年级下册英语课件PPT（沪教版）

该初中英语课件聚焦过去进行时，系统讲解其用法（含when/while区别）及构成，课堂导入结合“太空探索”主题，以宇航员在太空的活动为情境，衔接单元“人与自然、人与社会”主题，搭建语法学习的情境支架。 其亮点在于主题融合与素养导向，以太空探索为语境，练习融入中国航天案例（如神舟飞船、宇航员访问港澳），培养文化意识中的家国情怀。通过对比when/while用法、中考真题练习，提升语言能力和思维品质。教师可借助结构化讲解和多样化练习提高教学效率，学生在主题情境中深化语法理解，增强学习兴趣。

英语 八年级 下册 配上海教育版 返回目录 英语 八年级 下册 配上海教育版 Unit 7 Space exploration 返回目录 英语 八年级 下册 配上海教育版 第3课时 Grammar 返回目录 英语 八年级 下册 配上海教育版 目 录 CONTENTS 01 语法聚焦 02 课堂练习 返回目录 英语 八年级 下册 配上海教育版 过去进行时 1. 过去进行时的用法： (1)过去进行时表示过去某一段时间或某一时刻正在进行的动作。常用的时间状语有：at that time / moment,(at)this time yesterday / last night / last Sunday / last week …, at+钟点+yesterday / last night / last Sunday …，由when / while引导的时间状语从句等。如： What were you doing at 5 p. m. yesterday? 昨天下午5点你在干什么？ 语法聚焦 返回目录 英语 八年级 下册 配上海教育版 (2)连词when和while的用法： ①由when引导的时间状语从句中，谓语动词可用短暂性动词，也可用延续性动词。如： We were watching a movie when the power went out. = When we were watching a movie,the power went out. 停电时我们正在看一部电影。 返回目录 英语 八年级 下册 配上海教育版 ②由while引导的时间状语从句中，谓语动词通常用延续性动词，因此在while引导的时间状语从句中，谓语动词常用进行时态，且while可以连接两个正在进行的动作。如： They arrived while we were having dinner. 他们来到时我们正在吃饭。 I was cleaning my bedroom while my brother was washing the dishes. 当我哥哥在洗碗的时候，我在打扫我的卧室。 返回目录 英语 八年级 下册 配上海教育版 2. 过去进行时的构成： 过去进行时的基本结构是“was / were+动词的现在分词”。 句式 句型结构 举例 肯定句 主语+was / were+动词的现在分词. Linda was shopping in a mall at nine last night. 琳达昨晚9点在商场购物。 否定句 主语+was not(wasn't) / were not(weren't)+动词的现在分词. At that moment, I wasn't doing anything. 那会儿我什么也没干。 返回目录 英语 八年级 下册 配上海教育版 句式 句型结构 举例 一般疑问句 Was / Were+主语+动词的现在分词? 肯定回答：Yes, 主语+was / were. 否定回答：No, 主语+wasn't / weren't. —Was he having a bath at that time？他那时正在洗澡吗？ —Yes, he was. 是的，他正在洗澡。/ No, he wasn't. 不，他没有在洗澡。 特殊疑问句 特殊疑问词+was / were+主语+动词的现在分词+其他? What were you doing at that time? 那时你在干什么? 返回目录 英语 八年级 下册 配上海教育版 一、用所给单词的适当形式填空 1. While we __________________ (wait)for the bus this morning, a girl ____________ (run) to us. 2. I ______________________ (telephone)a friend when Bob____________ (come)in just now. 3. I ______________________ (do) my homework at 10：00 yesterday evening. 课堂练习 were waiting ran was telephoning came was doing 返回目录 英语 八年级 下册 配上海教育版 4. My grandparents ___________________ (take) a walk from seven to eight last night. 5. While my mother ____________ (put)Cathy to bed, the doorbell ____________ (ring). 6. As I _______________ (walk)in the park at 4 p. m. yesterday, it ____________ (begin)to rain. 7. George ________________ (read)when he ____________ (hear)a knock at the door last night. were taking was putting rang was walking began was reading heard 返回目录 英语 八年级 下册 配上海教育版 8. He said he _____________________ (help) his sister with homework at that time. 9. Someone _________________________ (follow) her. She was frightened. 10. —Was your father at home at that moment? —Yes, he was. He ______________________ (have) an online meeting then. was helping was following was having 返回目录 英语 八年级 下册 配上海教育版 二、单项填空 (　　)1. Suzy _____ her bedroom at this time yesterday, so she didn't go shopping. （2025 江苏常州） A. tidies B. tidied C. is tidying D. was tidying (　　)2. Mary _____ a picture when her dad got home yesterday evening. （2025 北京） A. draws B. was drawing C. is drawing D. will draw D B 返回目录 英语 八年级 下册 配上海教育版 (　　)3. —Cindy, my sunglasses are on the floor and they are broken. What happened? —Sorry, dear. I don't know. I _____ in the kitchen then. （2025 甘肃白银） A. cook B. was cooking C. have cooked D. will cook B 返回目录 英语 八年级 下册 配上海教育版 (　　)4. When Li Lei came into the room, his friends _____ for his birthday party. （2025黑龙江龙东地区改编） A. prepared B. are preparing C. were preparing D. was preparing (　　)5. Eddie was sleeping Millie was reading a magazine. (原创题) A. while B. until C. when D. after C A 返回目录 英语 八年级 下册 配上海教育版 三、语法填空 A group of Chinese astronauts visited Hong Kong and Macao in China. They met with young people there and encouraged1.____________ (they) to have a dream of space exploration. During the visit, the group of Chinese astronauts went to many middle schools2.____________ two universities in Hong Kong. They also gave a talk in Macao and met 3._________________ (thousand) of students in both places. them and thousands 返回目录 英语 八年级 下册 配上海教育版 “The Chinese space station is like a home for the motherland 4.____________ space,” Chen Dong said. He is one of 5.____________ Shenzhou-14 and Shenzhou-20 astronauts. He hopes 6.____________ (see) people from Hong Kong and Macao in the Chinese space station in the future. in the to see 返回目录 英语 八年级 下册 配上海教育版 While the astronauts 7.________________________ (share) their exciting stories, Shum, a Hong Kong middle school student, felt really excited to meet the astronauts. She thinks that the astronauts are true 8.____________ (hero). “I am proud of our country and this makes me even 9.______________________ (interested) in space,” Shum said. were sharing heroes more interested 返回目录 英语 八年级 下册 配上海教育版 “The visit is special and important for students,”the chief executive of the Macao SAR (澳门特别行政区行政长官) said. He thinks that China has taken the education of science and technology 10.____________ (serious). The astronauts' visit to Hong Kong and Macao was really successful. seriously 返回目录 英语 八年级 下册 配上海教育版 THANKS! 返回目录 英语 八年级 下册 配上海教育版 $