Unit 1 The Changing World 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现在完成时、used to结构及一般过去时与现在完成时的区别，通过视频提问“ What big changes have you seen in the video?”和贵州桥梁过去与现在的对比导入，搭建从具体变化情境到语法规则的学习支架，帮助学生建立时态与变化描述的联系。 其亮点在于融合真实情境与多元活动，如视频导入、贵州变化短文等，培养语言能力（应用于对话和写作）和文化意识（感受社区进步）。通过对比表格、Summary问题引导分析时态逻辑，提升思维品质。练习和分层作业助力学生巩固应用，教师可高效开展语法教学与素养培养。

Unit One The Changing World Sec A Grammar Focus What brings about changes? 学习 目标 Learning Objectives 01 | Master the Present Perfect Tense ; use used to and the Present Perfect to describe past and present changes. 02 | Summarize tense rules through sentence analysis and practice; apply grammar to real-life conversations about changes. 03 | Understand the development of local communities (e.g., Guizhou’s changes); appreciate social progress and cultivate a sense of community pride. 04 | Distinguish between simple past and the Present Perfect; analyze the logical relationship between past actions and their present influence. Contents 01 Warm up 02 Lead in 03 Presentation 04 Practice 05 Summary 06 Exercise 07 Homework Warm up What big changes have you seen in the video? Lead in In the past, there was no big bridge. People used to walk for days. Now, the government has built many bridges. Great changes have taken place Presentation 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 the sentences and circle the verbs. Pay attention to the verb tenses. 4a 一般现在时 现在完成时 一般过去时 VS 现在完成时 12 区别一:含义 NOW 一般过去时 现在完成时 表示描述过去发生的具体事件 (动作已结束,与现在无关) 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 区别二:结构 He ate lunch just now. He has already eaten lunch . 一般过去时 现在完成时 主语+动词过去式 主语+have/has+动词过去分词 一般过去时 现在完成时 否定句 一般疑问句 主语+was/were+not +其他 主语+didn`t +动词原形 主语 + have/has + not + 过去分词 Was/were +主语+其他? Yes, 主语+was/were. No,主语+wasn`t/weren`t. Did +主语+动词原形? Yes, 主语+did. No,主语+didn`t. Have/Has + 主语 + 过去分词 ? Yes, 主语+have/has. No, 主语+haven`t/hasn`t. 区别三:标志词 一般过去时: yesterday ... ago last... in +年份 in the past just now ... 现在完成时: already / yet ever just for / since so far up to now ... used to 含义: 过去的某种经常性、习惯性的动作或行为. 结构: 主语+used to + 动词原形 Enter the video used to We used to have to travel far to see a doctor. 变否定句: 变一般疑问句: We didn`t use to have to travel far to see a doctor. We usedn`t to have to travel far to see a doctor. Did you use to have to travel far to see a doctor? Used you to have to travel far to see a doctor? 主语+didn’t use/usedn`t to do sth. Did+主语+use/ used+主语+to do sth. She used to get up early. Pens are used to write. She is used to getting up early. be/get used to doing “习惯于做某事” 注意:此时to是介词,故后面接动词ing形式 be used to do “被用来做某事” 注意:be used此时是被动语态 used to do “过去常常” (+动词原形) 注意:用于表示过去常常做,现在不一定这样了 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. 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 询问现在的感受 有声读物 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 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.Why are local people richer and happier than before? 4b Watch the video and check your answer. 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 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.Why are local people richer and happier than before? 4c was be made have taken has built take have improved were Summary Summary Q1:一般过去时和现在完成时的本质区别是? Q2:现在完成时的结构与标志词? Q3:used to do & be used to doing & be used to do 三者的区别? Exercise 1. -_ you _ the new museum yet? -Yes, I _ there last Sunday. A. Have; visited; went B. Did; visit; went C. Have; visited; have gone 2. My grandma _ in the countryside when she was young, but now she lives in the city. A. used to live B. was used to live C. is used to living 3. Our village _ a new primary school already. A. builds B. built C. has built A A C 单项选择 01 4. -Where is Tom? -He _ to the library, and he will come back soon. A. goes B. has gone C. has been 5. They _ each other for over ten years since middle school. A. know B. knew C. have known 6.-Did your sister _ stay up late to study? -No, she _. But now she _ working until midnight. A. used to; didn’t; is used to B. use to; didn’t; gets used to C. used to; wasn’t; is used to B C B 1. I _ (not finish) my homework yet. 2. He _ (open) his small shop three years ago. 3. There used to _ (be) a small river in front of our house. 4. Great changes _ (take) place in our hometown in the past five years. 5. She _ (visit) many cities since she left school. 6. My father _ (listen) to audio books every evening these days. haven`t finished opened be have taken has visited listens 用括号内动词的正确形式填空,完成句子。 02 Homework 01 02 改写句子: 1. He moved here 5 years ago.(用现在完成时同义句) 2. They started to learn English last year.(同上) 2. 仿照4b编写小对话(5组问答,主题:去过的新公园) 参考模板: A: Have you been to the new park yet? B: ……(要求用上现在完成时+一般过去时两种时态) Must-do 时光记者采访 设定身份:时光小记者,采访家里长辈(爷爷奶奶/爸妈),围绕3个问题采访,整理50词小采访稿,强制用上:used to / have done / did(过去式) 采访提纲: 1. Where did you use to go shopping when you were young? 2. Have you seen big changes in our hometown? 3. What new things have appeared in our city these years? 小作文(60词左右) 题目:Changes in My Hometown 要求:必须用到:used to + 一般过去时(过去)、现在完成时(现在的变化),参考4c文章结构。 Choose-to-do See you! Thanks! $