Unit 1 The Changing World Section A第3课时课件2026-2027学年人教版英语九年级上册

该初中英语课件聚焦一般过去时、现在完成时的辨析及used to表过去习惯的用法，通过观看展示城市巨变的视频导入，引导学生联系家乡变化，搭建“视频感知—情境思考—动词分析—结构总结—综合应用”的学习支架，衔接从输入到输出的知识脉络。 其亮点是以“家乡变化”为主题融合核心素养，通过对比分析时态标志词和结构培养思维品质，结合角色扮演用两种时态描述家乡变化提升语言能力，激发热爱家乡的文化意识。对学生提升时态运用与情感认同，对教师提供结构化活动与评价工具，助力高效教学。

英语人教版九年级上册 The Changing World Section A 第3课时 Unit 1  Learning objectives 通过本课时的学习，学生能够： 1. 能辨析、总结一般过去时与现在完成时的句式结构、时间标志词和用法区别，以及used to表“过去常常做某事（但现在不了）”的用法； 2. 在语境中准确运用used to以及一般过去时和现在完成时描述家乡今昔面貌； 3. 通过对比家乡过去与现在，体会家乡建设的巨大进步，激发热爱家乡、赞美家乡发展的真挚情感。 重点 重点 How many cities appear in the video? Ten. What happened in these cities? Watch the video and answer some questions. Great changes have taken place in these cities. Watch and answer Think and say What changes have taken place in your hometown? Think and answer the question. We didn’t have a library in the past, and we have built one now. There wasn’t a hospital in the village before, and we have just built a new one in our village. Many new buildings have been built in my hometown. … Read and circle Read the sentences and circle the verbs. He became a good friend of your grandfather about 20 years ago. They haven’t seen each other for ages! We used to have to travel far to see a doctor. Our village has just built a new hospital. Many people used to work in big cities. Now, more of them have come back to live and work here. Look and answer Look at the verbs and answer the questions. What are the differences between these verbs? What tense are they used for? became haven’t seen used to have has just built used to work have come back Simple Past Tense Present Perfect Tense Read and draw Read the sentences and draw the time markers in the sentences. He became a good friend of your grandfather about 20 years ago. They haven’t seen each other for ages! We used to have to travel far to see a doctor. Our village has just built a new hospital. Many people used to work in big cities. Now, more of them have come back to live and work here. Read and write Read the sentences and write the structure of the sentences. He became a good friend of your grandfather about 20 years ago. They haven’t seen each other for ages! We used to have to travel far to see a doctor. Our village has just built a new hospital. Many people used to work in big cities. Now, more of them have come back to live and work here. 主语 + 动词过去式 + 其他. 主语 + used to + 动词原形 + 其他. 主语 + have/has + 动词过去分词 + 其他. Look and say Look at the picture and describe the picture with the Simple Past Tense and the Present Perfect Tense. 15 years ago, we lived in a small house. We used to ride bikes everywhere. We have moved to a big house and have bought a car. 15 years ago; lived; used to ride bikes now; have moved to; have bought a car Think and fill Think about the questions and fill in the blanks. 15 years ago, we lived in a small house. We have moved to a big house and have bought a car. Simple Past Tense Present Perfect Tense Actions _________________ in the past, and have no connection with now（动作完全结束于过去，和现在无关联） Actions started in the past, have an ________ on the present（动作始于过去，对现在造成影响） Do the actions in this sentence continue today? Are we focusing on when it happened in the past, or on the result today?  finished completely influence They’re over. On the result. Think and fill Think about the questions and fill in the blanks. We used to ride bikes everywhere. used to We use “used to” to talk about a _______ habit. (过去的某种经常性、习惯性的动作或行为，并意味着这种动作现在已经不存在。) What does the sentence talk about, the past habit or the present habit? past The past habit. Fill and summarize Fill the chart and summarize. Simple Past Tense Present Perfect Tense Core Meaning Time markers Sentence structure Actions finished completely in the past, and have no connection with now Actions started in the past, have an influence on the present ago, about 20 years ago, in the past, yesterday, last year... for ages, just, now, already, yet, since, so far... 主语 + 动词过去式 + 其他. 主语 + have/has + 动词过去分词 + 其他. A: ______ you ______ (be) to the new library yet? B: No, I _______________ (not know) there was a new library. When did it ________ (open)? A: It _________ (open) last Friday. I _______ (go) there with my grandpa on Saturday night. B: ______ you ______ (like) it? A: Of course! It’s the most high-tech library I ______ ever ______ (visit). Have been didn’t know open opened went Did like have visited Complete the conversation with the correct forms of the verbs in brackets. Read and complete B: Oh, what ______ you ______ (see) there? A: There are sections with books about science and Chinese culture, as well as a huge section with children’s books. I also ______ (read) some digital books on the computer. My grandpa _________ (listen) to some audio books because he can’t see well. B: Cool! I __________ (bring) my little brother there tomorrow. did see read listened will bring Complete the conversation with the correct forms of the verbs in brackets. Read and complete digital /ˈdɪdʒɪtl/ adj. 数字的 audio /ˈɔːdiəʊ/ adj. 音频的 n.音频 audio book 有声书 In the past, it ______ (be) difficult to travel in Guizhou. In many places, there used to ______ (be) no bridges to cross over mountains and rivers, and most roads were just dirt tracks. This _______ (make) it difficult for locals to bring products to the market or to develop industry. Complete the passage with the correct forms of the verbs in brackets. was be made Read and complete dirt /dɜːt/ n. 泥土；尘土 track /træk/ n. 小路；轨道 dirt tracks 土路 Read and complete Now great changes ___________ (take) place. The government ___________ (build) thousands of kilometres of highways, railways, and wide roads. It has also built many high bridges over mountains and rivers. A journey that used to ______ (take) a day now takes only a few hours. As a result, the lives of local people ________________ (improve). They are much richer and happier than they once ______ (be). Complete the passage with the correct forms of the verbs in brackets. have taken has built take have improved were Read and answer 1. Why was travelling hard in Guizhou in the past? 2. What transport constructions has the government built in Guizhou? 3. What result do the great changes bring to local people’s lives? Read the passage again and answer the questions. Because there were no bridges, and most roads were only dirt tracks. It has built thousands of kilometres of highways, railways, wide roads and many high bridges. Their lives have improved. Read and answer 4. Why are local people richer and happier than before? Read the passage again and answer the questions. Because lots of transport facilities like highways, railways and high bridges have been built. Travelling becomes much easier, locals can sell products conveniently and develop industry well, so their lives have greatly improved. Talk and say Has your hometown changed? Yes. It has changed a lot. What did your hometown look like 10 years ago? It used to be very quiet. People walked everywhere. Talk about the changes in your hometown with your partner. What changes have taken place? The government has built new parks and wide streets. Last year, it built a new library. ... ... Role-play Act out your conversation. ✅ Content (3')：Full & on-topic ✅ English (3')：Correct words & tenses ✅ Speaking (2')：Fluent & clear pronunciation ✅ Performance (2')：Confident & natural Summary describe the great changes of hometowns and villages with the two tenses correctly. learn the differences between the Simple Past Tense and the Present Perfect Tense, and master their usages. 3 1 After learning this lesson, I can use “used to” to describe a past habit. 2 Homework 1. Remember the new words learned in this lesson and use them. 2. Write about the changes in your hometown using the Simple Past Tense and the Present Perfect Tense. Unit 1 人教版九年级上册 Thank you EVCapture4.2.2软件录制 Lavf57.25.100 本视频由湖南一唯信息科技开发的EV录屏软件录制，www.ieway.cn $