Unit 5 Nature’s Temper Section A Grammar Focus课件 2025-2026学年人教版八年级英语下册

该初中英语课件聚焦过去进行时的形式、功能及“when”“while”的用法，通过“Look and Say”描述当下动作（现在进行时），再迁移至上周台风情境（过去进行时），形成对比，搭建新旧知识支架，帮助学生自然过渡。 其亮点在于以情境任务驱动语言能力培养，如台风对话分析、记者采访活动，让学生在真实语境中运用语法。通过辨析“when”“while”的延续性动词使用及主句从句长短搭配，培养思维品质。设置自我评估和分层作业，提升学习能力。学生能在实践中掌握语法，教师可通过多样练习高效教学。

Unit 5 Nature’s Temper Section A Grammar Focus Learning Objectives 1. understand the form and function of the past continuous tense. 2. differentiate the use of “when” and “while” in past continuous tense. 3. apply the past continuous tense orally and in writing. In this lesson you will: Look and Say What is happening right now? It is raining heavily. A truck is driving on the street. Some people are walking in the water. A reporter is taking photos for the people. If this situation happened last week. Can you describe what was happening when the typhoon hit? It was raining heavily. A truck was driving on the street. Some people were walking in the water. A reporter was taking photos for the people. 句式变化（特殊疑问） 特殊疑问句：疑问词 + was/were + 主语 + v.-ing？ 常用疑问词：what/when/where/who/how 例句1：What was she doing when the bell rang? 例句2：Where were they going at 8 yesterday morning? 注意：疑问词作主语时，语序为疑问词+was/were+v.-ing 小试牛刀：句式转换 将句子He was doing his homework.进行句式变化 1.否定句：___________ 2.一般疑问句：___________ 3.特殊疑问句（对划线提问）：___________ He was not doing his homework. Was he doing his homework? What was he doing? What’s the difference between these sentences? It is raining heavily. It was raining heavily. A truck is driving on the street. A truck was driving on the street. Some people are walking in the water. Some people were walking in the water. A reporter is taking photos for the people. A reporter was taking photos for the people. be+v-ing is used for actions happening now was/were+v-ing is for actions that were happening in the past present continuous tense past continuous tense Learn the time adverbial clauses guided by "when" and "while" 以when和while引导的时间状语从句 1)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。 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. Combine each pair of sentences using when or while. I was doing my homework when the typhoon landed on the coast. The power went out while my father and I were making dinner. Kate was writing a letter when her brother called to warn her of the storm. go out(火或灯光)熄灭 warn sb. of... 警告某人…  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. When I slept soundly, it was raining cats and dogs.  rain cats and dogs 下倾盆大雨 过去某一时刻正在进行的动作 关键：聚焦具体时间点，动作在该时刻正在发生 常用时间标志：at 7:00 yesterday, at this time last night 也可搭配when引导的短暂动作从句 例句：When the phone rang, I was washing clothes. 过去某一时间段持续的动作 关键：动作在一段时间内持续进行，未完成 常用时间标志：from 8 to 10 yesterday morning 也可搭配while引导的时间状语从句 例句：We were walking in the park while it was getting dark. Read the conversation. Whose family was better prepared for the typhoon? Learn the usage of the reflexive pronouns. 用法 ①when表示“当……的时候”。从句中既可用延续性动词，又可用非延续性动词，这些动词既可以表示动作，又可表示状态。从句中动作既可和主句的动作同时发生，又可在主句的动作之前或之后发生。如： Mary was having dinner when I saw her. The boy was still sleeping when his mother got home yesterday morning. ②while表示“在……的时候”、“在……期间”。它强调主句的动作与从句的动作同时发生或主句的动作发生在从句的动作过程中。while从句中必须是表示动作或状态的延续性动词。如： The weather was fine while we were in Beijing. She called while I was out. While the boys were playing football, it rained. ③如果主句的动作在从句的动作过程中发生，从句常用进行时。如: Haitao: Hi, Lisa. Did your family have any trouble during the typhoon? Lisa: Yes, it was awful. Haitao: I’m sorry to hear that. Did you know that a typhoon was coming? Lisa: We did. But it was worse than we expected. We were driving home from our relatives’ house when the strong winds started. Haitao: Oh no! It’s dangerous to travel during a typhoon. Lisa: I know. It was raining hard while we were driving back. We almost got into an accident when a truck nearly hit us. Haitao: Oh dear, I’m glad you were safe! Lisa: Yes, but when we got home later, we found water everywhere. The house looked awful! Was yours OK? Haitao: Yes. Luckily, we covered our windows and moved our things off the floor before the typhoon started. We stored food and water too. Lisa: That’s good! We’ll do that next time. Whose family was better prepared for the typhoon? Haitao’ family. Learn the usage of the reflexive pronouns. 主句 从句 长 短 短 长 长 长 when when/while while when/while + 长: 短: was/were+ V-ing (过去进行时态) 动词过去式 (一般过去时态) Experience Lisa Haitao A. almost got into an accident while they were driving home B. moved things off the floor before the typhoon C. went home and found water everywhere D. stored emergency supplies at home before the typhoon E. stayed inside during the typhoon Read again. Who experienced or did these things? Tick the correct boxes. 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. P45 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 ... Fill in the blanks with the correct forms. 1.I ___________ (walk) to school when I saw a cat in the tree. 2._______ (be) he _______ (watch) TV at 8 last night? 3.They ______________ (not play) basketball while we were playing football. 4.What _______ you _______ (do) at this time yesterday? 5.The wind _________ (blow) hard while we ___________ (stay) at home. 6.She ____________ (dance) when the music stopped. 7.We ____________ (have) lunch when the phone rang. 8._______ they _______ (run) on the playground at 4 yesterday afternoon? 9.He _______________ (not read) a book while his sister was drawing. 10.The snow ______________ (fall) when we went out. was walking Was watching were not playing were doing was blowing were staying was dancing were having Were running was not reading was falling 直击中考 单项选择。 1. (2025年北京市) Marry ______ a picture when her dad got home yesterday evening. A. draws B. was drawing C. is drawing D. will drawing 2. (2025年北京市) - Peter, did you play table tennis with your friends after school yesterday? -No, I didn’t. We ___ vegetables in our school garden. A. water B. have watered C. watered D. are going to water 直击中考 3. (2025年天津市) The mobile phone ____ when I was making a cake with my mother. A. rang B. rings C. is ringing D. is going to ring 4. (2025年陕西，完型填空) When Nana woke up the next morning, the sunshine _____ in through her bedroom window. A. is shining B. shines C. was shining D. will shine Haitao: Hi, Lisa. Did your family have any trouble during the 'typhoon? Lisa: Yes, it was 'awful. Haitao: I'm sorry to hear that. Did you know that a 'typhoon was 'coming? Lisa: No, we didn't know about ︶it. We were 'driving home from our 'relatives' house when the strong winds started. Haitao: Oh no! It's 'dangerous to 'travel during the 'typhoon. Lisa: I know. It was 'raining hard while we were 'driving back. We 'almost got into an 'accident when a truck 'nearly hit ︶us. Haitao: Oh 'dear, I'm 'glad you were 'safe! Lisa: Yes, but when we got home 'later, we 'found 'water eve'rywhere. The house looked 'awful! Was yours OK? Haitao: Yes. 'Luckily, we 'covered our 'windows and 'moved our 'things off the 'floor before the 'typhoon started. We 'stored 'food and 'water too. Lisa: That's 'good! We'll do that next ︶time. 1.He was watch TV when the doorbell rang. ( ) 2.Were you play football at 4 yesterday afternoon? ( ) 3.While we were walking, we see a beautiful bird. ( ) 4.When the rain started, we were having a picnic. ( ) 5.They were not go to school while it was snowing. ( ) 6.What were you doing at this time last week? ( ) × × × √ × √ He was watching TV when the doorbell rang. Were you playing football at 4 yesterday afternoon? While we were walking, we saw a beautiful bird. They were not going to school while it was snowing. 判断句子正误，对的打√，错的打×并改正 Press here to exercise more. 1. Do you understand the structure of the past continuous tense? 2. Can you use the past continuous tense with adverbial clauses (when, while) correctly? 23 根据句意，用when、while填空。 1. ________ we got to Nanning, it was raining. 2. The teacher was playing the piano ________ the students were singing. 3. _______________ the students were cleaning the classroom, the head teacher arrived. 4. _____ we were having dinner, the lights went out suddenly. 5. Jim was playing football on the playground ______ it began to rain. When while When/While While when You must 1. Review the use of past continuous tense. 2. Preview Section B on pages 46-47. You choose to Imagine you are a reporter. Interview a classmate and find out what he or she was doing around a time of a natural disaster or a bad weather. Then write a short passage about it, using the past continuous tense. Homework null 59976.01 $