Unit 1 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一般过去时、现在完成时及“used to”的用法，以贵州交通与生活变化为情境导入，通过引导问题、例句对比构建知识支架，帮助学生从具体实例到语法规则逐步理解。 其亮点在于融合语言能力与文化意识，以贵州真实变化（如“lived in wooden houses”与“has built homestays”）为载体，通过对比分析培养思维品质，任务型练习（对话、语篇填空）提升语言运用能力，分层作业促进学习能力发展。学生能在真实情境中掌握语法，教师可高效开展情境教学。

Unit 1 The Changing World Section A Grammar Focus By the end of this lesson, we will be able to： 1. learn about the differences between the simple past tense and the present perfect tense, as well as the usage of “used to”. 2. know how to distinguish the simple past tense, the present perfect tense and the structure “used to”. 3. praise Guizhou’s changes using the simple past tense, the present perfect tense and “used to” appropriately. The life of people in Guizhou has changed a lot! People depended on horses to travel in Guizhou’s mountains about 50 years ago. They haven’t experienced such fast travel in Guizhou for ages! Many years ago, families lived in simple wooden houses with few things. Our village has just built many nice homestays（民宿）. He became a good friend of my grandpa in the Miao village about 20 years ago. They haven’t seen each other for ages!  the simple past tense Why do you think so？ past time 一般过去时： 结构： 主语+动词过去式+过去时间 时间标志词：ago，yesterday, last year… What tense are they？ People depended on horses to travel in Guizhou’s mountains about 50 years ago. They haven’t experienced such fast travel in Guizhou for years! Many years ago, families lived in simple wooden houses with few things. Our village has just built many nice homestays（民宿）. He became a good friend of my grandpa in the Miao village about 20 years ago. They haven’t seen each other for ages!  What tense are they？ the present perfect tense 现在完成时： 结构： 主语+have/has+过去分词 时间标志词： for+一段时间，since+时间点, already，yet… How to distinguish the simple past tense and the present perfect tense？ 有无明确过去时间？ 动作和现在有关吗？ 一般过去时（过去式） 现在完成时（have/has+过去分词） How to distinguish the simple past tense and the present perfect tense？ 1. Simple Past Tense (一般过去时) It describes an action that happened at a specific time in the past and is completely finished (no connection to now). Example: I watched a movie yesterday. (The action "watched" ended yesterday.) How to distinguish the simple past tense and the present perfect tense？ 2. Present Perfect Tense (现在完成时) It describes an action that happened in the past, but has a connection to now (e.g. affects the present or continues until now). Example: I have finished my homework. (Now I can play.) 1. Many years ago, people in Guizhou __________ (travel) by horse. 2. The Beipanjiang Bridge _________________ (just/build). It’s a wonder of engineering. 3. Decades ago, families in Guizhou __________ (live) in simple wooden houses. 4. Guizhou ______________ (develop) a lot in recent years. Many highways ______________ (appear). 5. Mr Wang ______________ (become) a bridge builder in Guizhou about 20 years ago. He ______________ (never/see) such a modern bridge before. travelled has just been built lived has developed have appeared became has never seen Fill in the blanks with the proper forms of the given words. past 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. People used to sing Dong Grand Choirs only in their villages. People from all over the world have come to participate. What can you find？ used to +动词原形 now have/has+过去分词 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. 4 b will bring 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. Have been didn’t know open opened went Did like have visited did see read listened will bring 依托 “新图书馆” 的生活化对话语境，让学生结合时间标志词（如yet、last Friday）判断时态，在真实交际情境中运用一般过去时、现在完成时和一般将来时，提升时态的语用能力。 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 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 and tunnels. 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. 4 c 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 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 and tunnels. 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. In the past, it ______ (be) difficult to travel in Guizhou. In many places, there used to ______ (be) no bridges to cross 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 and tunnels. 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). were was be made have taken has built take have improved 4 students are in one group. Talk about changes in Guizhou. Group work Check your presentation Present your pidea to the class. language correct form(形式正确) accurate meaning(意义精确) proper use(使用恰当) poster design creativity(创意) performance confidence(自信) OK Good Excellent 表演过后让学生进行投票 Guizhou is now full of beautiful bridges and colourful ethnic cultures. 1. In the past, it was difficult to travel in Guizhou. 2. This made it difficult for locals to bring products to the market or to develop industry. it作形式主语和形式宾语。 例句： I find it useful to learn a foreign language.(我发现学一门外语很有用。) 短语归纳： 1. on Saturday night 2. as well as 3. thousands of 4. as a result 1. 在星期六晚上 2. 和，也 3. 成千上万 4. 结果是；因此 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. 三、语篇填空（根据贵州的变化，用所给词的适当形式填空） In the past, travelling in Guizhou ______ (be) difficult. Students ___________ (use to) walk for hours to go to school. Now, great changes ___________ (take) place. The government ___________ (build) many highways and bridges. People’s lives ___________ (improve) a lot. They are happier than they ______ (be) before. was used to have taken has built have improved were Fill in blanks about Guizhou on Page 5. Write a passage about changes in Guizhou. Basic homework Practical homework Interview elders about the changes between the past and the present, make a poster, and present it in class. Extended homework $