Unit 5 Section A 4a-4d Grammar（同步实用课件）-2025-2026学年八年级英语下册同步实用课件（新教材人教版）

Learning Objectives 能够结合例句识别when和while引导的时间状语从句，理解其表意功能；能够区分when和while的意义。 能够正确使用过去进行时及从属连词when和while连句、造句、补全语篇，并基于语法板块语篇的内容，准确描述过去某一时刻正在发生的动作。 能够了解龙卷风的相关知识以及应对措施，同时体会语篇中蕴含的“灾难无情人有情”的内涵。 能够理解过去进行时的表意功能，分析句子结构特征，并通过与一般过去时的对比，加深对过去进行时的理解。 Nature’s Temper Unit 5 SectionA 4a-4d Lead in. Watch and answer. What were people doing when the typhoon hit? When the strong winds started, Lisa's family and she were driving home from their relatives’ house. It was raining hard while they were driving back. When the typhoon hit, Haitao's family were staying inside their house safely. They were watching the news and checking the weather updates while the wind was blowing hard outside. The man's children and he were reading together at that time. Haitao's family prepared well before the typhoon came. What were people doing when the typhoon hit? Who prepared well before the typhoon came? Read the sentences. Underline the verbs which show an ongoing action in the past. 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. 4a 过去进行时：Past Progressive Tense 基本概念：表示过去某一时刻或某段时间正在进行或发生的动作。 （过去正在做） was / were + doing 构成： 时间状语： 在...的时候 在那个时候 昨天这个时候 在昨天早上/中午/晚上8点 在那一刻 当...的时候 at the time of at that time at this time yesterday at 8:00 yesterday morning at that moment when / while Past Continuous Tense 基本句式 肯定句 否定句 一般疑问句 特殊疑问句 主语＋was/were＋v-ing＋其他. 主语＋wasn’t/weren’t＋v-ing＋其他. Was/Were＋主语＋v-ing＋其他？ Yes, 主语＋was/were. No, 主语＋wasn’t/weren’t. 特殊疑问词 + was/were + 主语 + v-ing + 其他? I was sleeping at ten last night. I wasn’t sleeping at ten last night. Were you sleeping at ten last night? What were you doing at ten last night? Yes, I was. No, I wasn’t. I __________ my homework carefully after dinner yesterday. （昨天晚饭后我认真写完了所有作业。） She ____________ a lovely gift for her best friend last week. （上周她给好朋友买了一份可爱的小礼物。） I _______________ a storybook at eight last night. （昨晚八点的时候，我正在读一本故事书。） She ____________ nice pictures in the classroom then. （那时她正在教室里认真画好看的图画。） He ___________ first place in a snowboarding game in 2023. （他在2023年在一个滑雪板比赛中获得冠军。） He ____________ basketball when the rain started. （下雨开始的时候，他正在外面打篮球。） finished bought was reading was drawing was playing won We ___________ a quiet museum with our teacher last month. （上个月我们和老师一起参观了安静的博物馆。） We ____________ happily while we were waiting for the bus. （等公交车期间，我们正在开心地聊天说笑。） They ____________ many green trees in the yard last spring. （去年春天他们在院子里种了许多绿色小树。） They _____________ birds in the park at that moment. （那一刻，他们正在公园里安静地观赏小鸟。） My mum _____________ hot dinner in the kitchen at that time. （妈妈当时正在厨房里做热腾腾的晚饭。） visited were talking planted were watching were watching 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. What are the differences between when and while when used in past continuous tense? When & While 下着大雪的时候，你在做什么？ 台风来袭时，你的家人正在做什么？ 当邻居打电话来时，我的家人正在吃晚饭。 我们正开车回家，这时大风刮了起来。 当我们正开车回家时，大风刮了起来。 我们往回开车时，雨正下得很大。 What were you doing while it was snowing heavily ? What were your family doing when the typhoon hit? 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. Finding 1: 在引导时间状语从句的时候，大部分情况下，when引导的从句为一般过去时；while引导的从句为过去进行时。 F2: 在引导时间状语从句的时候，主从句两个动作同时进行，则多用while。 我比较外向，而我的姐姐很内向。 I am a little outgoing , while my sister is very shy. F3: 主从句在进行对比时，只能用 while。 意为“当......的时候” When & While 1. My family were having dinner _______ she called. 2. I was doing my homework _______ the building shook all of a sudden. 3. _______ the typhoon hit, my family were having dinner at home. 4. _______I called them,they were playing chess at home. 5. My children and I were reading together_______ a window broke. 6. We were driving home from our relatives' house _______ the strong winds started. 7. What were you doing _______ it started? 8. What were your family doing _______ the typhoon hit? 9. I was doing some chores _______ my mother was preparing lunch. 10. What were you doing _______ it was snowing? 11. Kate was doing her homework_______ Jiaming was doing chores. 12. _______ Liu Yun was staying in a hotel, the rainstorm started. 13. The children were playing games ______their parents were doing housework. 14. _______ they were eating dinner, the typhoon hit. when when When When when when when when while while while While while While 1. We almost got into an accident _______ a truck nearly hit us. 2. _______ we got home later, we found water everywhere. 3. She sings _______ she is sad. 4. _______ I am happy, I dance. 5. I often listen to music _______ I do my homework. 6. Every Saturday morning, _______ Tony cleans his room, his brother cooks breakfast. 7. I am hard-working _______ my little sister is lazy. When & While when When when When while while while 4b Combine each pair of sentences using when or while. 1. I did my homework. The typhoon landed on the coast. was doing I was doing my homework when the typhoon landed on the coast. While I was doing my homework, the typhoon landed on the coast. Step 1 找出动词,判断延续/非延续 Step 2 确定时态 - 非延续动词 → 一般过去时 - 延续动词 → 过去进行时 Step 3 选择连词 延续性动词 非延续性动词 4b Combine each pair of sentences using when or while. 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. 4. My parents packed the supplies. I moved our things off the floor. 5. I slept soundly. It rained cats and dogs. Step 1 找出动词,判断延续/非延续 Step 2 确定时态 - 非延续动词 → 一般过去时 - 延续动词 → 过去进行时 Step 3 选择连词 延续性动词 非延续性动词 4b Combine each pair of sentences using when or while. 2. When the power went out, my father and I were making dinner. While my father and I were making dinner, the power went out. 3. 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. 5. I was sleeping soundly while it was raining cats and dogs. While I was sleeping soundly, it was raining cats and dogs. 4. My parents were packing the supplies while I was moving our things off the floor. While my parents were packing the supplies, I was moving our things off the floor. Prediction What happened in the picture? There is a tornado in the picture. Thick black clouds are in the sky, and the tornado is coming towards the village. It looks very dangerous. 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. 4c Complete the passage with was, were, when, or while. was While were When were Read the passage again and complete the chart. Time What happened? Feelings Jenny looked up and saw thick black clouds 1._________________ in the sky.The rain 2.______________ hard against the roof. Dad told the family to run to the safe room 3._________. While they 4.______________, Jenny’s little sister cried. Dad told her they 5. _____________ from an angry lion. At last, the storm 6.__________. When they stepped outside, the sun 7. _______________ brightly. People 8._______________ each other to make sure everyone was safe while some 9.______________ to clear the streets. Before the tornado During the tornado After the tornado were forming was beating at once were waiting were hiding passed was shining were asking scared worried calm afraid ....... thankful elated happy powerful ...... were starting Read and think 1. Who played a key role in the process? Jenny’s father played a key role. He told them to run to the safe room and comforted Jenny’s little sister when she cried. 2. What do you think of Jenny's father? He is calm, brave and caring. He kept calm in the face of danger, protected his family quickly, and used a gentle way to comfort the little sister. 3. Why does the writer say the tornado was scary, but it also brought everyone closer together? The tornado was scary because it was dangerous and could hurt people. But during the disaster, the family stayed together, comforted each other and supported one another, which made their love and relationship stronger. The sun always shines again. Love and unity will keep us warm and strong. What can we learn from this story? When a disaster happens, we should stay calm and learn to protect ourselves. First, safety comes first. First, safety comes first. Nature is powerful and sometimes dangerous. Nature is powerful and sometimes dangerous. Disasters may bring everyone closer together. In hard times, we need to help each other and stay positive. Second, love and connection. Second, love and connection. When Jenny looked up, thick black clouds were forming in the sky, and the rain was beating against their roof. “Quick, this way,” said Dad. The family ran to the safe room at once. While they were waiting, Jenny’s little sister started to cry. Dad gave her some chocolate and told her that they were hiding from an angry lion. Soon, she was laughing again. At last, the storm passed. When they stepped outside, they found the sun shining. People were asking one another if they were safe while some were starting to clear the streets. Jenny smiled. The tornado was scary, but it also brought everyone closer together. 抬头看 厚厚的乌云 拍打在屋顶上 跑向安全屋 立刻，马上 躲避... 走到外面 发现阳光照耀 互相询问 开始清理街道 让每个人更团结/更亲近 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（现在进行时） past continuous tense (过去进行时) 过去进行时 一般过去时 定义 构成 时间状语 表示过去某一时刻或某一段时间正在进行或发生的动作，强调动作正在进行。 表示过去某个时间发生过的动作或存在的状态，多指动作已经完成。 主语 + was/were + 动词-ing+其他. 主语 + 动词过去式+其他. at this time yesterday、at 8:00 last night、while/when 引导的时间状语从句等 yesterday、last week、just now、in + 过去年份等 过去进行时&一般过去时 一般过去时时间状语： 1, yesterday 系列 2, last 系列 3, ago 以前 4, in+过去年份 5, 刚才 曾经 在那时 今天早上/中午/晚上 昨天早/ 中 / 晚 前天 昨晚 上周/上个月/去年 三天前 刚才 很久以前 过去 在2017年 yesterday morning / afternoon / evening the day before yesterday last night last week / last month / last year three days ago a moment ago long long ago in the past in 2017 just now once at that time this morning / afternoon / evening 4d 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. 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 … What questions can we ask? Braintorm What questions can we ask? Time Questions Before the tornado During the tornado After the tornado How was the weather before the tornado hit? Where were your family? What did you do when the tornado came near? Who acted most quickly in your family? Were you afraid of the tornado? Was any member of your family afraid of it? How did your family members comfort each other? What was the weather like? What did the people in your neighbourhood say to each other? What did they do? How do you feel about your family and your neighbourhood? Sample R: Hi Jenny! I’m so glad to meet you. Can I ask you a few questions about the tornado? J: Sure. It was a scary experience, but I’m safe now. R: Great. First, how was the weather before the tornado hit? J: It was very strange. Thick black clouds were forming in the sky, and the rain was beating hard against the roof. It was dark and scary. R: Oh no! So what did you do when the tornado came near? J: My dad told us to run to the safe room at once. We were very scared. R: Were you and your sister afraid? How did your dad comfort you? J: I was a bit afraid, but my little sister cried a lot. Dad gave her some chocolate and told her we were hiding from an angry lion. That made her laugh soon. R: That’s sweet! Now, after the storm passed, what was the weather like? J: It was sunny again! The sun was shining brightly. R: How did the people in your neighborhood help each other after the tornado? J: They were clearing the streets and asking everyone if they were safe. R: It sounds like everyone worked together. How do you feel about your family and your neighborhood now? J: I feel very lucky. The tornado was scary, but it brought everyone closer together. R: Thank you so much for sharing, Jenny! J: You're welcome! 开车回来 登录海岸 停电了 提醒/警告某人注意某事 把...从...移开 打包物资 睡得很沉 雨下得很大 drive back land on the coast the power went out warn sb. of sth. move ...... off...... pack the supplies sleep soundly rain cats and dogs 抬头看 厚厚的乌云 拍打在屋顶上 跑向安全屋 立刻，马上 互相,彼此 走到外面 躲避台风 清理街道 让每个人更团结/更亲近 look up thick black clouds beat against the roof run to the safe room at once / right away / right now step outside hide from the tornado clear the streets bring everyone closer together each other / one another We can ______________ after a long and tiring day. 漫长劳累的一天过后，我们可以安稳熟睡。 The cat wants to ________________________ outside. 这只小猫想要躲避外面的滂沱大雨。 Parents often ___________ hidden danger in daily life. 父母常警告我们留意日常生活中的隐患。 I ____________________________ in the deep river. 我告诫过他不要独自在深水河里游泳。 Dad told me that we __________________ an angry lion. 爸爸告诉我我们正在躲避一只愤怒的狮子。 sleep soundly hide from the heavy rain warn us of warned him not to swim alone were hiding from Kind talks________________________________ slowly. 暖心的交谈慢慢拉近好朋友之间的距离。 We must ______________________ the narrow street at once. 我们必须立刻把箱子从狭窄街道上移开。 My parents _____________________ at the time of the rainstorm. 我们会为即将到来的研学收拾好物资。 Strong winds ___________ the wooden window all night long. 狂风整夜不停地拍打着木质的窗户。 When ________________ , my family were making dinner. 当停电的时候，我们一家人正在做晚饭 beat against were packing the supplies the power went out bring good friends closer together move the boxes off (1)[不可数名词]电力供应 power cut/failure 停电 Parts of the area had power cuts because of the storms. 这个区域的部分地区由于暴风雨而停电了。 The power came back on. 电力恢复了。 power n. 电力供应；能量；力量 1.The power went out. 停电了。(教材 P45 4b) Language points (3)[不可数名词]力量 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。 (2)[不可数名词]能量 nuclear/wind/solar power核能/风能/太阳能 Solar power is a clean energy source. 太阳能是一种清洁能源。 Language points 由 “sound(adj. 酣畅的；可靠的；透彻的)+-ly(副词后缀)” 构成。 The baby slept soundly all night. 宝宝整晚都睡得很香甜。 Experimental data soundly supported his theory. 实验数据可靠地支持了他的理论。 The team was soundly defeated. 该队一败涂地。 2. I slept soundly. 我睡得很酣畅。(教材 P45 4b) soundly adv. (睡觉) 酣畅地；可靠地；完全彻底地 look after 照顾 look around 环顾 look through 快速查看；浏览 look forward to 盼望 look for 寻找 look like 看起来像 look over 查看；检查 look out 小心 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。 3.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。(教材 P45 4c) look up抬头看 ，常与介词from连用。 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。 if conj. 是否 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？ 4.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。(教材 P45 4c) 1. I __________ (do) my homework __________ the power went out. 2. Kate __________ (write) a letter __________ her brother called. 3. My parents __________ (pack) supplies __________ it rained cats and dogs. 4. We __________ (drive) home __________ the strong winds started. 5. The children __________ (read) together __________ the typhoon hit. 语法填空 was doing when  was writing when were packing while/when were driving when  were reading when 按要求完成下列各题 1. Mary was cleaning her room at eight last night.（改否定句） Mary wasn’t cleaning her room at eight last night. 2. Were you helping with the housework after breakfast yesterday? （作肯定回答） Yes , I was . 3. While I was sleeping, my sister turned on the radio.（用when 改写句子） I was sleeping when my sister turned on the radio. 4. Jim was taking photos of his family at that time.（改为一般疑问句） Was Jim taking photos of his family at that time? 5. Ben was doing his homework while his mother was shopping. （对画线部分提问） What was Ben doing while his mother was shopping? wasn’t cleaning Yes was when turned Was taking What was doing Homework 请根据4c,编写一个采访稿，下节课表演。句子中要包含“when & while”。 Must-do Choose-to-do 完成笔记整理和相应的《名师学案》 $