Unit 1 Section A (4a-4c） (第3课时）课件 2026-2027学年人教版九年级英语上册

该初中英语课件聚焦Unit 1“The Changing World”第3课时，核心知识点为used to do、一般过去时与现在完成时的语境及功能差异。课堂导入通过句子时态识别活动，结合Grammar Focus分类呈现例句并标注含义、结构，搭建从感知到理解的学习支架，帮助学生梳理时态知识脉络。 其亮点在于融合语言能力与文化意识培养，通过易混短语辨析（如used to do与be used to doing）、情境对话（图书馆交流）及贵州交通变化短文填空，强化时态运用。Thinking环节引导学生思考变化原因，提升思维品质。融入“有声读物”“中国文化书籍区域”等内容，学生能在真实语境中掌握语法，教师可借助系统练习与文化渗透提升教学效果。

Unit 1 The Changing World 第 3 课 时 （4a—4c） Section A What changes have taken place around you? 1 单词：course, digital, audio, dirt, track, wide, tunnel 句型：①We used to have to travel far to see a doctor. ②Our village has just built a new hospital. 能区分 used to do、一般过去时与现在完成时的不同语境与含义，理解它们在描述 “变化” 主题中的功能差异。 Learning Goals 1 2 2 Warming up Look at these sentences, tell the verb tenses. He visited his grandparents last week. I used to get up at 6:30, but now I get up at 7:00. I have finished my homework already. Used to Present Perfect Simple Past 3 Look at these sentences, tell the verb tenses. Tom used to live in a small village. Tom worked in Shanghai last year. Tom has lived in three different cities. Today we will focus on exactly these three ways of talking about the past and present. Used to Present Perfect Simple Past 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. Grammar Focus Simple Past Used to Present Perfect 此处 表“到现在为止” Read the sentences and circle the verbs. Pay attention to the verb tenses. 4a (3)时间标志词 _______________________ (1)含义 表示__________________________ (2)结构 主语 +______________ 一般 过去时 一般过去时 动词过去式 ago, yesterday, last... 描述过去发生的具体事件（动作已结束，与现在无关） The man was very busy last week. (3)时间标志词 _______________________ (1)含义 表示__________________________ 并意味着这种动作 _________________ (2)结构 主语 +used to​ + ______________ Used to Used to 动词原形 used to,but now,强调 “今昔对比” 过去的某种经常性、习惯性的动作或行为. 目前已经不存在 只能用 一般过去时 He used to like coffee. (3)一般疑问句 Did+主语+ use to do sth.?/Used+主语+ to do sth.? (1)肯定句 主语+used to do sth. (2)否定句 主语+didn’t use to do sth./主语+usedn’t to do sth. Used to Used to He didn’t use to like coffee. /He usedn’t to like coffee. Did he use to like coffee? /Used he to like coffee? Yes, he did./No,he didn’t. She used to have curly hair. used to do 表示过去习惯性的动作或经常性的状态，现在已经不存在。 She is used to getting up early. be/get used to doing 习惯于做某事（可用于现在、过去、将来等多种时态） The knife is used to cut fruit. be used to do 被用来做某事（是被动语态, 用于多种时态） 易混短语辨析 (3)时间标志词 _______________________ (1)含义 表示__________________________ (2)结构 主语 + have/has​ +______________ 现在 完成时 Grammar 现在完成时 动词过去分词 for ages, just, since, already, yet,now等 过去发生的动作，对现在造成影响 / 结果； 从过去持续到现在的动作 / 状态 She has kept this book for two weeks. 主语 + have / has + done 1.主语+be(were,was) 2.主语 + 动词过去式 一般过去时 现在完成时 1.主语 + be (am, is, are) 2.主语 + 动词原形/单三 NOW 一般现在时 Grammar rules 【主语 + used to+动词原形】 过去习惯/状态（现在已改变） TIME 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). B: Oh, what ______ you ______ (see) there? Complete the conversation with the correct forms of the verbs in brackets. Have been didn’t know open opened went Do like have visited did see 对过去不知道某事的陈述 have been to… 去过某地（现在已经回来） 询问现在的感受 4b 12 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. 关于科学和中国文化的书籍 read listened will bring 有声读物 Complete the passage with the correct forms of the verbs in brackets. Why are local people richer and happier than before? 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. Now great changes ____________ (take) place. The government ___________ (build) thousands of kilometres of highways, railways, was be made have taken has built make it +adj.+ to do sth.使做某事… 4c 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). take have improved were 强调对现在的影响 Thinking 1. In Guizhou, hard work of many people and the support of the government. My parents have worked hard to give me a good education. The workers have built a new park for us. What Made the Changes Possible? 2. In our hometown, who has helped make life better? Parents? Teachers? Workers? 1. There are sections with books about science and Chinese culture, as well as a huge section with children’s books. 有关于科学和中国文化的书籍区域，还有一个巨大的儿童书籍区域。 Language points as well as 除……之外，也，还 as well as as well 含义 除……之外，也，还 也，还 位置 位于所连接的两个成分之间，不能位于句尾 通常位于句尾 用法 连接对等成分，在语义上通常强调其前面的信息（翻译时通常先译后面的，再译前面的） 无侧重，用于补充信息 It’s a good time for you to be with each other as well as having the enjoyable food. 这是你们品尝美味佳肴和相聚的好时光。 Reading more books can improve our English as well. 多读书也能提升我们的英语水平。 as well as连接两个并列成分作主语时，谓语动词应与其前面的主语保持人称和数的一致。 Tony as well as his friends is from England. 托尼还有他的朋友们都来自英格兰。 用法拓展 2. ...and most roads were just dirt tracks. 而且大多数道路都只是泥土路。 dirt /dɜːt/ n. 泥土；尘土（不可数） Pack the dirt firmly round the plants. 将植物周围的土培实。 Little Tom is playing in the garden and his face and hands are covered with dirt. 小汤姆正在花园里玩，他的脸和手上全是泥。 dirt n. 泥土；尘土 dirty adj. 脏的 If you step on the dirt in the yard, your shoes will get dirty quickly. 如果你踩到院子里的泥土，你的鞋子会很快变脏。 3. This made it difficult for locals to bring products to the market or to develop industry. 这使得当地人很难将产品运到市场上或发展工业。 make it + adj. + for sb. + to do sth. 使做某事对某人来说是…… 该句型中it是形式宾语，不可省略，真正的宾语是to do sth.。 Some useful apps made it convenient for me to live here. 一些有用的应用程序让我在这里的生活很方便。 Teamwork makes it possible for us to finish the task quickly. 团队合作使我们快速完成任务成为可能。 We all consider it necessary for us to take notes in class. 我们都认为上课记笔记对我们来说很有必要。 有此用法的常见动词还有find、 think、consider等。 4. The government has built thousands of kilometres of highways, railways, and wide roads. 政府已经修建了数千公里的高速公路、铁路和宽阔的道路。 （表示道路、河流等）宽的 （表示距离）宽度为……的 The small path starts narrow and becomes wide from here. 这条小路一开始很窄，到这个地方就变宽了。 wide （表示眼睛）睁大的 Her eyes were wide with wonder. 她惊讶地睁大了眼睛。 The river is more than three metres wide. 这条河宽3米多。 1.He used to play football after school.（变为一般疑问句） ____ he ____ to play football after school? 2.They used to live in London.（变为否定句） They ____ ____ to live in London. 3.She used to walk to school every morning.（对画线部分提问） What ____ she ____ to ____ every morning? Practice Did use didn’t use did use do 一、句型转换 25 二、阅读短文，用括号中所给词的适当形式填空 There is a community park near my home. Five years ago, it 1._____ (be) just a small place with dry grass and no trees. People 2._________ (not like) to take a walk there at that time. Three years ago, the government 3._______ (plant) many trees and built a small lake in it. Since then, the park 4._________ (turn) into a beautiful place with fresh air. So far, my family and I 5._________ (spend) a lot of happy time there together. was didn’t like planted has turned have spent $