Unit1 Section A Grammar Focus 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核心语法点“used to + 动词原形”与现在完成时的用法及区别，通过观看贵州花江峡谷大桥视频导入，对比当地过去与现在的道路、环境变化，引导学生观察含两种时态的句子，搭建从情境感知到语法规则归纳的学习支架。 其亮点是以“家乡发展”为主题，融合语言能力与文化意识，通过对比分析（如used to与现在完成时的标志词、句式结构差异）培养思维品质。迁移创新环节让学生合作完成家乡变化报告，提升语言运用能力，练习设计从基础填空到短文写作，层次分明。学生能将语法与生活结合，增强表达能力，教师可借助清晰流程和多样活动提高教学效率。

Unit 1 The Changing World 第三课时 Section A Grammar Focus Learning Objectives 通过本节课的学习，学生能够： 1.能通过观察，识别并归纳核心语法结构：used to + 动词原形（过去习惯 / 状态）和现在完成时（have/has + 过去分词）的用法及标志词（yet, ever, just, for, since）。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。（学习理解）。 2.能独立完成 4b 对话填空，4c 短文填空，综合运用 used to 和现在完成时，描述过去与现在的对比变化。（应用实践） 3.能创造性地运用本课语法，对 “交通发展与生活改善” 形成辩证的价值理解，并用英语表达对家乡发展的自豪感。（迁移创新）。 学习目标 通过听读对话，获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息，完成表格填写；识别并区分对话中一般过去时（描述过去）和现在完成时（描述变化结果）的形式和意义；运用“used to... But now...”的对比结构，概括家乡变化的主要内容。 01 运用一般过去时和现在完成时，描述Li Rui家乡的变化（如“It used to take half a day, but now it takes only an hour”）；分析听力对话中人物的情感态度（如Bob的惊叹、Li Rui的自豪），判断变化对人们生活的积极影响；在角色扮演中模仿对话的语调和表达方式，运用目标语言进行交流。 02 评价家乡变化带来的利弊，表达自己的观点和感受（如“What do you think is the most important change?”）；运用所学语言，在真实或模拟的情境中讨论自己家乡近十年的变化，并表达情感态度。 03 通过本节课学习，学生能够： 01 情景导入 Scenario import Watch a video The life of people in Guizhou has changed a lot! Look! This is a picture of village in Guizhou. Let’s find out the changes there. Past now now What did the village look like in the past? Can you use 'used to' to describe it? Past There _______ be rough roads. The hills _______ be covered with sand. used to used to now Past Now people _________ new wide roads. The hills __________ covered with trees. have been have built What does it look like now? What changes have taken place? Look at these sentences. What's the difference in their verb forms? There used to be rough roads. The hills used to be covered with sand. Now people have built new wide roads. The hills have been covered with trees. Simple past tense Present perfect tense Today we are going to learn how to compare “simple past tense" and “present perfect tense“. now past 学习目标 通过听读对话，获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息，完成表格填写；识别并区分对话中一般过去时（描述过去）和现在完成时（描述变化结果）的形式和意义；运用“used to... But now...”的对比结构，概括家乡变化的主要内容。 01 运用一般过去时和现在完成时，描述Li Rui家乡的变化（如“It used to take half a day, but now it takes only an hour”）；分析听力对话中人物的情感态度（如Bob的惊叹、Li Rui的自豪），判断变化对人们生活的积极影响；在角色扮演中模仿对话的语调和表达方式，运用目标语言进行交流。 02 评价家乡变化带来的利弊，表达自己的观点和感受（如“What do you think is the most important change?”）；运用所学语言，在真实或模拟的情境中讨论自己家乡近十年的变化，并表达情感态度。 03 通过本节课学习，学生能够： 02 学习理解 Learning to understand Read the sentences and circle the verbs. Pay attention to the verb tenses. 4a He became a good friend of your grandfather 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. Simple Past（过去时，带明确过去时间标志） 标志词：ago, used to + 动词原形（描述过去常态，现在不再） Present Perfect（现在完成时，无明确过去时间，关联现在） 标志词：yet, just, ever, for, since (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. Grammar 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 一般过去时和现在完成时的区别 句式结构不同 侧重点不同 一般过去时：was/were 或 动词的过去式 现在完成时：have/has + 动词的过去分词 一般过去时：陈述过去发生的事情或 存在的状态 现在完成时：强调造成的结果或对现在 产生的影响 一般过去时：具体的表示过去的时间状语 现在完成时：表示频度或一段时间的状语 一般过去时和现在完成时的区别 时间状语不同 Grammar 句式结构不同(行为动词) 句式 一般过去时 现在完成时 肯定句 主语 + 动词过去式 + 其他. e.g. He went to the library yesterday. 主语 + have/has + 过去分词 + 其他. e.g. He has gone to the library. 否定句 主语 + did not (didn't) + 动词原形 + 其他. e.g. He didn't go to the library yesterday. 主语 + have/has + not + 过去分词 + 其他. e.g. He hasn't gone to the library yet. 句式结构不同(行为动词) 句式 一般过去时 现在完成时 一般疑问句 及其回答 —Did + 主语 + 动词原形 + 其他? —Yes, 主语 + did. / No, 主语 + didn't. e.g. —Did he go to the library yesterday? —Yes, he did. / No, he didn't. —Have/Has + 主语 + 过去分词 + 其他? —Yes, 主语 + have/has. / No, 主语 + haven't/hasn't. e.g. —Has he gone to the library yet? —Yes, he has. / No, he hasn't. 特殊疑问句 特殊疑问词 + did + 主语 + 动词原形 + 其他? e.g. When did he go to the library? 特殊疑问词 + have/has + 主语 + 过去分词 + 其他? e.g. Where has he gone? 句式结构不同(be动词) 句式 一般过去时 现在完成时 肯定句 主语 + was/were + 表语. e.g. She was happy yesterday. 主语 + have/has + been + 表语. e.g. She has been happy since then. 否定句 主语 + wasn't/weren't + 表语. e.g. They weren't at home last night. 主语 + haven't/hasn't + been + 表语. e.g. They haven't been here for a long time. 句式结构不同(be动词) 句式 一般过去时 现在完成时 一般疑问句 及其回答 —Was/Were + 主语 + 表语? —Yes, 主语 + was/were. / No, 主语 + wasn't/weren't. e.g. Were you at school yesterday? —Yes, I was. / No, I wasn't. —Have/Has + 主语 + been + 表语? —Yes, 主语 + have/has. / No, 主语 + haven't/hasn't. e.g. Has she been a teacher for 10 years? —Yes, she has. / No, she hasn't. 特殊疑问句 特殊疑问词 + was/were + 主语 + 表语? e.g. Why were you late for school? 特殊疑问词 + have/has + 主语 + been + 表语? e.g. How long has she been a teacher? 侧重点不同 一般过去时：表示过去某个时间发生的事情或存在的状态， 说话的侧重点在陈述过去发生的事情或存在的状态。 e.g. I went to the library yesterday. 动作: 去图书馆 时间: 昨天（明确过去时间） 结果: 现在是否在图书馆？不知道，不关心。 now past future 侧重点不同 现在完成时：表示到说话时为止已经发生(不一定结束)或完成的 动作或状态，强调造成的结果或对现在产生的影响。 e.g. He has lived here for 10 years. 动作开始: 10年前搬到这里 持续状态: 一直住在这里（从过去到现在） 现在情况: 现在仍住在这里（●） 未来可能: 还可能继续住下去（►） now past future 时间状语不同 一般过去时：通常与yesterday, last week, two years ago, just now, in 2022等具体的表示过去的时间状语连用。 现在完成时：通常与already, never, many times, so far, till now, recently, these days等表示频度或一段时间的状语连用。 e.g. I ________ to the zoo last week. 上周我去了动物园。 My father ________ that watch ten years ago. 我爸爸10年前买了那块手表。 He ______ already _________ his homework. 他已经完成了家庭作业。 I ______ never ________ the film before. 我以前从没看过这部影片。 went bought has finished have seen 拓展：延续性动词/非延续性动词 一般过去时既可以用延续性动词, 也可以用短暂性动词(瞬间动词/非延续 性动词)，没有任何限制！ 限制只存在于现在完成时中（特别是与 for / since 连用时）。 e.g. He died two years ago. He has died for two years. ❌ 应改为：He has been dead for two years. ✅ 常见的短暂性动词 → 延续性动词转换: die → be dead leave → be away borrow → keep buy → have open → be open close → be closed join → be in / be a member of begin/start → be on arrive/reach/get to → be in/at marry → be married 一、用所给词正确形式填空 I _________ (saw / have seen) the movie last week. She _________ (lived / has lived) here since 2015. They ____________ (haven't finished/ didn't finish) their work yet. My father _________ (bought / has bought) a new car yesterday. We ____________ (knew / have known) each other for over ten years. The old library ____________ (closed / has closed) down last month. He ____________ (finished / has finished) his homework. He can go out now. I _______________ (have never been / never went) to Beijing before. They ____________ (moved / have moved) to this neighborhood in 2018. She ____________ (didn’t call / hasn't called) me since last Tuesday. saw has lived haven't finished bought have known closed has finished have never been moved hasn't called 二、改错题 He has bought a new phone yesterday. I have seen her three days ago. She didn't finish her project already. They have lived in this city since five years. I have went to the new museum last Sunday. My sister is a teacher since 2018. We didn't see each other for a long time. haven't seen saw hasn't finished for went has been bought 学习目标 通过听读对话，获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息，完成表格填写；识别并区分对话中一般过去时（描述过去）和现在完成时（描述变化结果）的形式和意义；运用“used to... But now...”的对比结构，概括家乡变化的主要内容。 01 运用一般过去时和现在完成时，描述Li Rui家乡的变化（如“It used to take half a day, but now it takes only an hour”）；分析听力对话中人物的情感态度（如Bob的惊叹、Li Rui的自豪），判断变化对人们生活的积极影响；在角色扮演中模仿对话的语调和表达方式，运用目标语言进行交流。 02 评价家乡变化带来的利弊，表达自己的观点和感受（如“What do you think is the most important change?”）；运用所学语言，在真实或模拟的情境中讨论自己家乡近十年的变化，并表达情感态度。 03 通过本节课学习，学生能够： 03 应用实践 Application Practice 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? 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. Complete the conversation with the correct forms of the verbs in brackets. 4b Have been didn’t know open opened went Do like have visited did see read listened will bring 对过去不知道某事的陈述 关于科学和中国文化的书籍 有声读物 have been to… 去过某地（现在已经回来） 询问现在的感受 read 的过去式还是 read Complete the passage with the correct forms of the verbs in brackets. Why are local people richer and happier than before? 4c 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, 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). was be made have taken has built take have improved were make it + adj. + to do sth.使做某事… 强调对现在的影响 学习目标 通过听读对话，获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息，完成表格填写；识别并区分对话中一般过去时（描述过去）和现在完成时（描述变化结果）的形式和意义；运用“used to... But now...”的对比结构，概括家乡变化的主要内容。 01 运用一般过去时和现在完成时，描述Li Rui家乡的变化（如“It used to take half a day, but now it takes only an hour”）；分析听力对话中人物的情感态度（如Bob的惊叹、Li Rui的自豪），判断变化对人们生活的积极影响；在角色扮演中模仿对话的语调和表达方式，运用目标语言进行交流。 02 评价家乡变化带来的利弊，表达自己的观点和感受（如“What do you think is the most important change?”）；运用所学语言，在真实或模拟的情境中讨论自己家乡近十年的变化，并表达情感态度。 03 通过本节课学习，学生能够： 04 迁移创新 Migration Innovation Production 同伴合作或小组合作完成 Make a report to the class. Dear Mike, Thanks for your email! You asked about the changes in my hometown. Here is what I've learned. In the past, the roads __________. But now they ___________. People used to ___________. However, great changes have taken place. The village __________. Also, the environment _____. It used to ______, but now it _______. I'm sure you will love it here! When are you coming? Yours, George Acting Pronunciation Fluency 学习目标 通过听读对话，获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息，完成表格填写；识别并区分对话中一般过去时（描述过去）和现在完成时（描述变化结果）的形式和意义；运用“used to... But now...”的对比结构，概括家乡变化的主要内容。 01 运用一般过去时和现在完成时，描述Li Rui家乡的变化（如“It used to take half a day, but now it takes only an hour”）；分析听力对话中人物的情感态度（如Bob的惊叹、Li Rui的自豪），判断变化对人们生活的积极影响；在角色扮演中模仿对话的语调和表达方式，运用目标语言进行交流。 02 评价家乡变化带来的利弊，表达自己的观点和感受（如“What do you think is the most important change?”）；运用所学语言，在真实或模拟的情境中讨论自己家乡近十年的变化，并表达情感态度。 03 通过本节课学习，学生能够： 05 回顾总结 Summary who has helped make life better? Parents? Teachers? Workers? Thinking hard work of many people and the support of the government. 1.In Guizhou, My parents have worked hard to give me a good education. The workers have built a new park for us. Who Made the Changes Possible? 2.In our hometown, Change makes life better. Thinking New roads may destroy old forests. Changes can bring problems too. Not All Changes Are Good We should balance development with health. What should we do? Fast food restaurants – convenient but unhealthy. We should ... 学习目标 通过听读对话，获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息，完成表格填写；识别并区分对话中一般过去时（描述过去）和现在完成时（描述变化结果）的形式和意义；运用“used to... But now...”的对比结构，概括家乡变化的主要内容。 01 运用一般过去时和现在完成时，描述Li Rui家乡的变化（如“It used to take half a day, but now it takes only an hour”）；分析听力对话中人物的情感态度（如Bob的惊叹、Li Rui的自豪），判断变化对人们生活的积极影响；在角色扮演中模仿对话的语调和表达方式，运用目标语言进行交流。 02 评价家乡变化带来的利弊，表达自己的观点和感受（如“What do you think is the most important change?”）；运用所学语言，在真实或模拟的情境中讨论自己家乡近十年的变化，并表达情感态度。 03 通过本节课学习，学生能够： 06 课堂小测 Exercise 一、用所给词的适当形式填空 1. He _________ (become) a teacher in Guizhou ten years ago. 2. They ____________ (not see) each other since last year. 3. People in the village __________ (use to) live in small houses. Now they live in apartments. 4. ______ you ______ (be) to the new park yet? 5. The government ____________ (build) many new schools in Guizhou recently. became haven’t seen used to has built Have been 二、连词成句 1. ago / became / 20 years / friends / they / good ____________________________________________ 2. for / haven’t / they / each other / ages / seen ____________________________________________ 3. used to / work / in / many people / big cities ____________________________________________ 4. just / built / our town / a new hospital / has ____________________________________________ 5. back / have / to live here / more of them / come ____________________________________________ They became good friends 20 years ago. They haven’t seen each other for ages. Many people used to work in big cities. Our town has just built a new hospital. More of them have come back to live here. 2. Whose birthday is it? Homework Need to do: 完成课本4b、4c的错题订正，在对话和短文中正确运用“I used to...”, “Have you ever...?”描述变化。 Choose to do: 画一幅关于你家乡“过去 vs 现在”的对比画，并写2–3个句子来描述这些变化。（如used to, have/has done, simple past） 学习目标 通过听读对话，获取Li Rui家乡在交通、医疗、购物、环境等方面的具体变化信息，完成表格填写；识别并区分对话中一般过去时（描述过去）和现在完成时（描述变化结果）的形式和意义；运用“used to... But now...”的对比结构，概括家乡变化的主要内容。 01 运用一般过去时和现在完成时，描述Li Rui家乡的变化（如“It used to take half a day, but now it takes only an hour”）；分析听力对话中人物的情感态度（如Bob的惊叹、Li Rui的自豪），判断变化对人们生活的积极影响；在角色扮演中模仿对话的语调和表达方式，运用目标语言进行交流。 02 评价家乡变化带来的利弊，表达自己的观点和感受（如“What do you think is the most important change?”）；运用所学语言，在真实或模拟的情境中讨论自己家乡近十年的变化，并表达情感态度。 03 通过本节课学习，学生能够： Thanks for watching! $