Unit 5 课时3 Section A（Grammar Focus）课件-八年级英语下册【趣味课堂】精品课件（新人教版）

Past continuous tense 第3课时 (Section A Grammar Focus) Unit 5 Nature’s Temper Lesson Objectives: In this lesson, we will be able to: 1. Master the structure and usage of the past continuous tense (was/were + doing). 2. Combine simple sentences with when/while correctly. Use the past continuous tense to describe what people were doing at the time of a natural disaster. 3. Develop awareness of safety during natural disasters. Learn to care for others and understand the importance of staying calm in emergencies. 目录 CONTENTS 01 Lead in 02 Grammar 03 Practice 04 Exercise 05 Homework Lead in Look and say. I was sleeping ________ /'saʊndli/ in my bedroom. I didn’t even hear the thunder! Hi! What were you doing when the rainstorm came? Wow! What about your family? My mom ______ watching TV when the lights suddenly went out. soundly was hide Lead in Look and say. Yes! The wind was _________ (beat) against the window really hard. Did you see the _______ /θɪk/ black clouds before the storm? Thanks! What did you do when it got worse? My dad told us to ______ /haɪd/ in the living room. We stayed there until it stopped. thick beating hide Great job, everyone! Did you notice the sentences we used just now? Phrases like "was sleeping", "was watching", "were doing" – these are talking about actions that were ongoing in the past. And we used two magic words: when and while to connect the two actions. That’s exactly what we’re going to learn today! Read the sentences. Underline the verbs which show an ongoing action in the past. 4a What were you doing while it was snowing heavily? I was travelling on the train then. What were your family doing when the typhoon hit? My children and I were reading together. When my neighbour called, my family were having dinner. We were driving home when the strong winds started. While we were driving home, the strong winds started. It was raining hard while we were driving back. 过去进行时：表示过去某一时刻 / 某一段时间内正在进行的动作 结构：主语 + was/were + 动词 - ing 语法知识导图 过去进行时 过去进行时的基本句式 过去进行时和 一般过去式的区别 (一) 过去进行时 →was/were + 动词-ing ②表示过去某一时刻正在进行的动作，常与at 3 o’clock yesterday aftertoon、at this time yesterday等连用 过去进行时的基本用法 ①表示过去某一段时间内一直进行的动作，常与the whole day、all day yesterday等连用 过去进行时的基本句式 Grammar 肯定句 主语＋was/were＋动词-ing (＋其他). e.g. The girl was shopping when I saw her. 我看见那个女孩的时候，她正在购物。  否定句 主语＋was/were+not＋动词-ing (＋其他). e.g. He was not working at that time. 那时他没在工作。  一般疑问 句及回答 Was/Were＋主语＋动词-ing (＋其他)？ 肯定回答：Yes，主语＋was/were. 否定回答：No，主语＋wasn't/weren't. e.g. —Were you playing basketball then？那时你在打篮球吗？ —Yes,I was. 是的，我在打篮球。 ／No,I wasn't. 不，我没在打篮球。 过去进行时的基本句式 Grammar 特殊疑问句 ① 特殊疑问词 + was/were＋动词-ing (＋其他)? 作主语 e.g. —Who was cleaning the classroom at five yesterday afternoon? 昨天下午五点是谁在打扫教室？ —Tom.汤姆。  ② 特殊疑问词 + was/were＋主语 + 动词-ing (＋其他)? 不作主语 e.g. —What were you doing at nine last Sunday morning? 上周日上午九点你在做什么？ —I was reading. 我在看书。 Grammar 过去进行时的基本用法 ①表示过去某一段时间内一直进行的动作，常与the whole day、 all day yesterday等时间状语连用。有时没有明显的时间状语， 可根据语境来判断。 e.g. I was watching TV the whole night. 整晚我都在看电视。 We were having classes all day yesterday. 我们昨天一整天都在上课。 ②表示过去某一时刻正在进行或发生的动作，常与表示过去某一时间点 的时间状语连用，如 at 3 o'clock yesterday afternoon、 at this time yesterday等。 e.g. Miss Li was shopping at this time yesterday. 昨天的这个时候李小姐正在购物。 I was looking for my lost cat at nine last Monday morning. 上周一上午九点我正在寻找我丢失的猫。 Grammar 过去进行时和一般过去式的区别 ① 过去进行时表示过去某一时刻或某一段时间正在进行的动作， 而一般过去时则表示在过去某个时间发生过的动作或存在的状态。 e.g. He was playing basketball at three yesterday afternoon. 昨天下午三点他正在打篮球。 （强调昨天下午三点正在进行的动作，不一定结束） He played basketball yesterday aftemoon. 昨天下午他打篮球了。 （强调昨天下午打篮球的动作已经结束） Grammar 过去进行时和一般过去式的区别 ② 当动作延续较长时间时或表示厌烦、赞美等感情色彩时，常用 过去进行时表示。 e.g. He was thinking more of others than of himself. 他考虑别人的比考虑自己的多。 The boy was always making trouble then. 那时，他总是惹麻烦。 挑战一：用括号里的动词填空，完成短文。 Last night, while Sarah 1. _____________ (read) a book in her room, the lights suddenly 2. __________ (go) out. She 3. __________ (jump) in surprise because she was afraid of the darkness. Outside, the wind 4. ______________ (blow) heavily, and it 5. _____________ (rain) hard. Her parents 6. ____________ (try) to find candles in the kitchen when they heard her call for help. was reading went jumped was blowing was raining was trying 挑战二：用所给词的适当形式填空。 1. (2025威武中考改编) —Cindy, my sunglasses are on the floor and they are broken. What happened? —Sorry, dear. I don't know. I _______________ (cook) in the kitchen then. 2. (2025龙东中考改编）When Li Lei came into the room, his friends __________________ (prepare) for his birthday party. 3.（常州中考）—I went to your house after work yesterday but you were not in. —Oh, I _________________ (walk) my dog outside. was cooking were preparing were walking 挑战三：按要求完成句子，每空一词。 1. They were playing basketball at 4 p.m. yesterday.（改为一般疑问句） ________ they________ basketball at 4 pm. yesterday? 2. The students were discussing the problem when the teacher came in. （对画线部分提问） ________ were the students ________ when the teacher came in? 3. Her brothers were lying on the sofa when she came home.（改为否定句） Her brothers ________ ________ on the sofa when she came home. Were playing What doing weren’t lying Let’s think 试着总结when和while的用法区别 What were you doing while it was snowing heavily? I was travelling on the train then. What were your family doing when the typhoon hit? My children and I were reading together. When my neighbour called, my family were having dinner. We were driving home when the strong winds started. While we were driving home, the strong winds started. It was raining hard while we were driving back. snow 延续性动词 hit 短暂性动词 call 短暂性动词 start 短暂性动词 drive 延续性动词 drive 延续性动词 语法知识导图 when和while引导的时间 状语从句 when引导的时间状语从句 (二) when和while引导的时间状语从句 →从句的谓语动词必须是延续性动词， 且常用进行时 主从句的动作可以同时发生，也可以先后发生 while引导的 时间状语从句 从句中的谓语动词可以是延续性动词，也可以是非延续性动词 遵循“主将从现”的原则 when和while引导的时间状语从句 Grammar when和while都可意为“当······时”，用来引导时间状语从句，表示 主句动作发生的背景。从句可位于主句之前或之后，当位于主句之前时，与主句要用逗号分开。 辨析：延续性动词和非延续性动词 延续性动词指动作可以延续一段时间，而不是瞬间结束。 如：work、study、drink、eat等。 非延续性动词指动作极为短暂，瞬间结束。 如：start、begin、hit、jump、knock等。 run “跑” 延续性动词 fall “跌倒” 非延续性动词（瞬间动词） Grammar when引导的时间状语从句 ①表示主句动作发生的特定时间，既可指时间点，也可指时间段。 e.g. Call me when you get home. 你到家时给我打个电话。 When he was a child, he always tried out new ideas. 他小的时候总是在试验一些新设想。 ②when引导的时间状语从句中的谓语动词可用延续性动词，也可用 非延续性动词。从句的动作可与主句的动作同时发生，也可在主句 动作之前或之后发生。 e.g. The phone rang when he was reading. 他看书时电话响了。 （rang 和was reading 同时发生） Grammar when引导的时间状语从句 ②when引导的时间状语从句中的谓语动词可用延续性动词，也可用 非延续性动词。从句的动作可与主句的动作同时发生，也可在主句 动作之前或之后发生 e.g. When I got to the shop, the door was closed. 当我赶到商店时，店门已经关上了。（got to后发生） When they finished their homework, they helped do the housework. 他们完成家庭作业后，帮忙做了家务。（finished先发生） ③当主句为将来时或表示将来的意义时，从句要用一般现在时表示 将来，即遵循“主将从现”的原则。 e.g. The boy will be a writer when he grows up. 这个男孩长大后会成为一名作家。 Grammar while引导的时间状语从句 while引导时间状语从句时，从句的谓语动词必须为延续性动词，且常用进行时。常见情况有： ① 强调主句动作发生时，从句动作正在进行，此时，从句用进行时。 e.g. While I was waiting for the bus, I met my teacher. 当我在等公共汽车时，我遇见了我的老师。 ② 强调主从句动作同时进行时，主从句通常都用进行时。 e.g. While my mother was cooking dinner, I was playing chess with my brother. 我妈妈做晚饭的时候，我和弟弟在下国际象棋。 挑战一：用括号中所给词的适当形式填空。 When I 1. _____________ (be) in the sixth grade, I 2. _____________ (join) a piano competition. I practiced for four hours everyday and my piano teacher came three times a week to help me. Then the big day finally 3. _____________ (arrive). I 4. _____________ (be) so nervous when they 5. _____________ (call) my name. I went up and started to play. While I 6. _____________ (play), everyone 7. _____________ (sit) still and listened. I played the song without any mistakes. Then I waited for them to call out the winner. When I 8. _____________ (hear) my name, my heart 9. _____________ (beat) so quickly that I thought I would stop breathing. I couldn't believe it. I 10. _____________ (win)! was joined arrived was called was playing sat heard was beating won 挑战二：单项选择。 1. (2025天津中考）The mobile phone ________ when I was making a cake with my mother. A. rang B. rings C. is ringing D. is going to ring 2. (2025长春市模拟）While her brother ________ video games upstairs, Mary ________ a novel in the garden quietly. A. plays; is reading B. is playing; reads C. is playing; is reading 3. (2025北京中考）Mary ________ a picture when her dad got home yesterday evening. A. draws B. was drawing C. is drawing D. will draw A C B Combine each pair of sentences using when or while. 4b 1. I did my homework. The typhoon landed on the coast. I was doing my homework when the typhoon landed on the coast. =When the typhoon landed on the coast, I was doing my homework. =While I was doing my homework，the typhoon landed on the coast. 2. The power went out. My father and I made dinner. My father and I were making dinner when the power went out. =When the power went out, my father and I were making dinner. =While my father and I were making dinner, the power went out. go out (火或灯光)熄灭 Language points 教材 P45 4b 1. The power went out. 停电了。 power n.电力供应；能量；力量；权力 power cut/failure 停电 nuclear/wind/solar power 核能/风能/太阳能 have the power to do sth. 有权力做某事 e.g. The power came back on.电力恢复了。 The ship was helpless against the power of the storm. 那艘船只能任凭强大的暴风雨肆虐。 The boss has the power to make the decision. 老板有权做这个决定。 拓展：powerful adj.有影响力的；强有力的 e.g. The storm was so powerful that it knocked down trees. 风暴如此猛烈，连树木都被吹倒了。 练习：The ___________ (power) invention has changed the world. powerful Combine each pair of sentences using when or while. 4b 3. Kate wrote a letter. Her brother called to warn her of the storm. Kate was writing a letter when her brother called to warn her of the storm. =While Kate was writing a letter, her brother called to warn her of the storm. warn sb. of/about sth. 警告/提醒某人注意某事 Combine each pair of sentences using when or while. 4b 4. My parents packed the supplies. I moved our things off the floor. 5. I slept soundly. It rained cats and dogs. While my parents were packing the supplies, I was moving our things off the floor. =My parents were packing the supplies while I was moving our things off the floor. I was sleeping soundly while it was raining cats and dogs. =While it was raining cats and dogs, I was sleeping soundly. rain cats and dogs  下倾盆大雨 Complete the passage with was, were, when, or while. 4c 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. was were While When  were look up 抬头看; 查阅 敲打着他们的屋顶 hide from sb/sth 躲避某人/某物 = each other 互相; 彼此 bring everyone closer together 让所有人更亲近 Language points 教材 P45 4c 2. When Jenny looked up, thick black clouds were forming in the sky, and the rain was beating against their roof. 当珍妮抬头看时，天空中 正在形成厚厚的乌云，雨水敲打着他们的屋顶。 1) look up 抬头看 常与介词from连用。 e.g. She looked up from her book as I entered the room. 我进房间时，她从书本上抬起头来看了看。 拓展： look up（在词典、参考书中或通过电脑）查阅 e.g. He looked up a number in his phone. (= He looked a number up in his phone.） 他在手机里查了一个号码。（包头中考） Can you look it up on the website? 你能在网站上查一下它吗？ 只能放在look与up之间 Language points 教材 P45 4c 2. When Jenny looked up, thick black clouds were forming in the sky, and the rain was beating against their roof. 当珍妮抬头看时，天空中 正在形成厚厚的乌云，雨水敲打着他们的屋顶。 2) thick adj. 厚的；浓密的 反义词：thin 薄的；稀疏的 e.g. Li Ming is a boy with thick black hair and thick glasses. 李明是一个有着浓密黑发、戴着厚厚眼镜的男孩。 拓展：thick adj. 茂密的/有.....厚的/能见度低的，浓的 练习：（2025安庆市桐城市联考改编） It's warm today, so you'd better take off the _______（厚的）clothes and go out for a walk. thick Language points 教材 P45 4c 2. When Jenny looked up, thick black clouds were forming in the sky, and the rain was beating against their roof. 当珍妮抬头看时，天空中 正在形成厚厚的乌云，雨水敲打着他们的屋顶。 3) beat v. 敲；打 过去式：beat，过去分词：beaten e.g. Someone was beating a drum. 有人在敲鼓。（作及物动词） He was beating at the door with his hand. 他在用手拍门。(作不及物动词) 拓展：beat【及物动词】战胜；打败 e.g. He beat me at chess. 他下棋赢了我。 beat【不及物动词】(心脏)跳(动) e.g. After exercising, your skin is sweating and your heart is ________ fast. 锻炼后，你的皮肤会出汗，并且你的心脏跳得很快。（黄石中考） beating Language points 教材 P45 4c 3. People were asking one another if they were safe while some were starting to clear the streets.当一些人开始清理街道时，人们在互相询问是否安全。 if conj. 是否 if 在此引导宾语从句（宾语从句应用陈述语序），常用于ask、know、find out、wonder等动词（短语）之后。 e.g. I wonder if it will rain tomorrow. 我想知道明天是否会下雨。 Do you know if the train arrives on time? 你知道火车是否准点到达吗？ 拓展：if作连词，还可意为“如果”，用来引导条件状语从句。若主句 用一般将来时，if引导的条件状语从句常用一般现在时， 即遵循“主将从现”的原则。 e.g. If it rains tomorrow, we will cancel the picnic. 如果明天下雨，我们就取消野餐。 练习：If you ________hard, you will pass the exam. A. study B. studies C. will study D. studied A Imagine that you are a reporter. Interview a member of Jenny’s family and find out what he or she was doing around the time of the tornado. 4d 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… Pair work I was looking out the window when I saw thick black clouds. Then we ran to a safe room at once. What were you doing when the tornado hit? What were you doing while you were waiting there? My father was giving some chocolate to my little sister to calm her down when she cried. It was scary, but we felt safer together. Exercises I. 请根据所给的首字母或音标写出单词。 1. After long hours’ work, Peter slept s_________ through the whole night. 2. The storm cut off the electricity and we had no p_________. 3. The fog was so t_________ that we couldn’t see the road clearly. 4. The rain ___________ /bi:t/ heavily against the windows all night. 5. The little boy ________ /hɪd/ behind the door when he saw the stranger. oundly ower hick beat hid Exercises II. 用括号中所给单词的适当形式填空。 1. At that time yesterday, he ______________ (play) the piano. 2. Jack ______________ (read) at the library when the accident happened to Jack’s father. 3. While the man ______________ (run) back home, he saw a dog by the side of the road. 4. I ______________ (walk) home on the street when the rainstorm came. 5. I was doing my homework in my room, while my brother _______________ (watch) TV in the living room. was playing was reading was running was walking was watching Exercises III. 按要求完成句子（每空一词）。 1. We were exercising when it began to rain heavily. (对画线部分提问) ________ ________ you ________ when it began to rain heavily? 2. While the birds were singsing, the cat was sleeping. (改为否定句) While the birds __________ __________, the cat ________ sleeping. 3. He prepares for the final exam seriously. (用at 5:00 yesterday改写句子) He __________ __________ __________ the final exam seriously at 5:00 yesterday. 4. It was raining when the plane landed. (改为同义句) _____________ it _________ __________, the plane landed. What were doing weren’t singing wasn’t was preparing for While/When was raining Summary We learn: 1. Vocabulary: power, soundly, thick, beat, hide, tornado. 2. Grammar: Past continuous tense (was/were + doing); usage of when and while. 3. Sentence Patterns: What were you doing when/while...? / I was doing... when/while... We can: 1. Use the past continuous tense to talk about ongoing actions in the past. 2. Combine sentences with when and while correctly. 3. Interview others about past events and express safety awareness. Homework 1. 基础层：完成课本 4b、4c 练习；抄写本课生词和重点句型 各 3 遍。 2. 提高层：用 5 句话描述你经历过的一次恶劣天气，用上过去 进行时和 when/while。 3. 拓展层：小组合作，编写一段关于自然灾害的采访对话， 下节课展示。 Thank you! $