Unit 1 Section A 单元语法讲练【精讲课件】2026-2027学年九年级英语上册同步精品课件（新教材人教版）

该初中英语课件核心聚焦一般过去时与现在完成时的辨析及used to用法，课堂导入以贵州家乡变化（如花江峡谷大桥、交通发展）为情境，通过问题引发思考，搭建“生活实例—语法结构—用法对比”的学习支架，帮助学生逐步掌握时态区别。 其亮点在于融合文化意识与思维品质，以贵州交通改善等真实语境（如短文填空“过去无桥土路，现在高桥公路”）引导学生对比分析，培养观察与逻辑思维，任务设计梯度分明（从圈动词到对话/短文填空），提升语言运用能力。学生能增强家国情怀与学习主动性，教师可借助丰富实例与系统练习实现高效教学。

Unit One The Changing World What brings about changes? 单元语法讲练 Learning Objectives Language Ability Use key words and sentence patterns to talk about hometown changes freely; use simple past and present perfect tenses correctly. Compare past and present life to develop observation, analysis and logical thinking skills well. Thinking Quality Learning Ability Get key info from texts, practice in groups and improve our English learning skills actively. Cultural Awareness Learn about hometown changes, feel social progress and build our love for the beautiful hometown. 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… 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. 02 Task 2: Read the sentences and circle the verbs. Pay attention to the verb tenses. 一般过去时 simple past tense 现在完成时 present perfect tense 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. 03 Task 3: The defination of these two tenses. past present(now) future 定义 现在完成时 present perfect tense 一般过去时 simple past tense 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） (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 simple past tense 一般过去时 ①过去具体动作 ②过去状态 ③过去习惯性动作 I used to work in a big city. He was sick last week. When I was a child, I often rode my bike to school. 主语 + was/were + 其他. 主语 + v过去式 + 其他 句式结构 present perfect tense 现在完成时 ①过去动作对现在的影响 ②从过去持续到现在的状态或动作 We have just built a new hospital. They haven't seen for ages. past present We built a new hospital. We don’t travel far to a hospital. past present didn’t see 主语 + have/has been + adj. 主语 + have/has done + 其他 句式结构 past present(now) future 一般过去时 simple past tense 现在完成时 present perfect tense 用于描述过去的行为或事件，常用于讲故事、叙述或谈论过去的经历。 ①过去动作对现在的影响 ②从过去持续到现在的状态或动作 ①过去具体动作 ②过去状态 ③过去习惯性动作 04 Task 4: Know the differences between these two tenses. Exercise：Tell the different tenses in these sentences. ①I went to see the movie yesterday. 昨天我去看了那部电影。 ②I have seen the movie already. 我已经看过那部电影了。 ➡️仅说明昨天去看了电影这件事，和现在无关; ➡️说明看电影这个动作发生在过去，说话人现已对电影内容有所了解。 simple past tense 一般过去时 现在完成时 present perfect tense 1.He ____________ ____________ ___________ yesterday.（他昨天买了一本书。）​ 2.I ___________ __________ __________ in 2005.（2005 年我住在北京。）​ 3.He ___________ ___________ ___________ Beijing.（他去了北京。） ​→暗含他现在不在说话地点 4.I __________ ___________ ___________Beijing for ten years.（我在北京住了十年了。）​ 5. ____________ ___________ ___________ twenty minutes ago.（二十分钟前雨停了。）​ 6. ___________ ___________ __________ for an hour.（雨已经下了一小时了。） →暗含现在可能还在下。 bought a book lived in Beijing has gone to have lived in The rain stopped It has rained ✍️【即学即练】补全句子。 时间状语 （时间标志词） 初中阶段是奠定英语能力的关键期，科学研究显示，完成语法练习能有效优化学习策略。科学研究显示，跟读新闻广播能有效培养自学能力。进阶策略，多感官参与能提升记忆效果。克服学习障碍，制作单词记忆卡能有效建立正反馈。培养语言能力，翻译歌词能有效增强动机。另一方面，多感官参与能提升记忆效果。掌握核心要点，制作思维导图能有效建立知识体系。坚持科学训练语言素养自然会逐步提升。 含有yesterday的词组 the day after yesterday, yesterday morning / afternoon / evening last+时间 last year / month / week / night... 时间段+ago three days ago... in+过去时间 in 1930s, in the early days... 其他 once upon the time, when sb was... I visited museum yesterday. He was sick last week. We had a school trip three days ago. I was born in 2013. When I was a child, I often rode my bike to school. 05 Task 5: Learn some time markers of tenses. simple past tense一般过去时 初中阶段是奠定英语能力的关键期，科学研究显示，完成语法练习能有效优化学习策略。科学研究显示，跟读新闻广播能有效培养自学能力。进阶策略，多感官参与能提升记忆效果。克服学习障碍，制作单词记忆卡能有效建立正反馈。培养语言能力，翻译歌词能有效增强动机。另一方面，多感官参与能提升记忆效果。掌握核心要点，制作思维导图能有效建立知识体系。坚持科学训练语言素养自然会逐步提升。 表“影响” (不确定过去时间) already，yet，ever，just等 （already：多用于肯定句，可放句中/句末； yet：多用于否定句、疑问句，只放句末； just：强调“刚刚完成”，放have/has之后） 表“持续” (从过去到现在的时间段) since＋过去时间点，for＋时间段， recently，in the past 5 years She has already finished her English homework. We haven't found good learning ways yet. I have just learned a new way to study English. I have studied English for six years. They have known each other since they were young. present perfect tense 现在完成时 Choose the correct tense to complete each sentence. 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 Each sentence has ONE mistake. Find it and correct it. 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 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 In the past no bridges dirt tracks products market industry Now high bridges highways, railways, and wide roads Why are local people richer and happier than before? Greatly improved transportation Shorter travel time Better lives and more developed industry What made the changes possible? government support people’s hard work Great changes happened in Guizhou make life better! Guizhou is now full of beautiful bridges and colourful ethnic cultures. 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 ... 现在完成时与一般过去时的对比 Summary 31 一、请写出下列动词的过去式和过去分词。 原形 过去式 过去分词 1.begin ______ _______ 2.break ______ _______ 3.choose ______ _______ 4.do ____ ______ 5.eat ____ ______ 6.forget _______ _________ began begun broke broken chose chosen did done ate eaten forgot forgotten 32 原形 过去式 过去分词 7.go ______ ______ 8.see _____ _____ 9.swim ______ _______ 10.write ______ _______ went gone saw seen swam swum wrote written 续表 33 二、用括号内所给单词的适当形式填空。 11.（2025·扬州）Recently,more and more people have _______（choose） to visit Yangzhou during holidays. 12.（2025·龙东地区）With the help of his classmates,he __________ （success） in solving the problems an hour ago. 13.On 30 April,2025,there ______（be） three Chinese astronauts who returned to Earth safely. 14.There __________（be） great changes in Jiangsu Province over the past 30 years. chosen succeeded were have been 34 15.Both Lily and Lucy ____________（visit） the Gansu Science and Technology Museum twice. 16.Sichuan _____________（connect） more remote（偏远的） areas with modern bridges and roads. have visited has connected 35 三、根据汉语意思完成句子,每空一词。 17.我叔叔离开家乡已有好几年了。 My uncle has _____ ______ ______ his hometown for quite a few years. been away from 18.她已经带领村民们走向了幸福之路。 She has already ____ the villagers ___ the road to happiness. led to 19.昨天我和弟弟吵架了,但今天和好了。 I _______ _____ my brother yesterday,but we made up today. argued with 20.他把那本旧书扔掉了,因为他找到了电子书。 He ______ the old book ______ because he found a digital book. threw away 36 四、按要求完成句子,每空一词。 21.Our hometown used to have narrow and dirty streets.（改为一般疑问句） _____ your hometown ____ ___ have narrow and dirty streets? Did use to 22.Jim expected to finish his homework before dinner.（改为否定句） Jim ______ _______ to finish his homework before dinner. didn’t expect 23.The factories have made great efforts to deal with pollution.（对画线部 分提问） ______ _____ the factories ______ to deal with pollution? What have done 37 24.He borrowed a book from the library 3 days ago to prepare for his exam.（同义句转换） He ____ _____ a book from the library for 3 days to prepare for his exam. has kept 25.He joined the army five years ago.（改为现在完成时） He ____ _____ ___ the army since five years ago. has been in 38 五、 用括号内所给单词的适当形式填空,使短文意 思完整、通顺。 南京师大附中校本经典题#1 Dear Daniel, My family 26. _______（move） to Liverpool two years ago. It feels like we 27. ______（come） here just yesterday. We 28. __________（live） in a small flat since we arrived,but Dad says we’re going 29. _________ （move） to a new house soon. moved came have lived to move 39 Dad has just 30. ______（go） to work. He’s an engineer. He 31. _______（travel） a lot in his job. He 32. ______（go） to China last month. He 33. ________（bring） back many fantastic things!He 34. _________（be） to China three times so far. He says it’s really worth a visit!Maybe I can 35. _____（visit） your country this summer holiday. Yours, Tom#2.4 gone travels went brought has been visit 六、用方框中所给单词的适当形式填空。 wide track digit course dirt 36.We can use our phones to make _______ payment when shopping. 37.The kids played in the garden and got _____ all over their clothes. 38.The city will build a ______ bridge to solve the traffic problem. digital dirt wide 39.—Can I have one of those pens? —Of _______.Help yourself. course 40.We walked slowly along that narrow forest ______ in the quiet woods. track 41 七、语言知识运用。 阅读下面的短文,从方框中选择5个恰当的词块填空,并将其正确形式写在相 应的横线上。#1 pay more attention to as we know as soon as so far ever since play an important role 42 Recently,a very simple sentence “Amazing,my motherland!” has become widely known in China.41. _____________,China has developed quickly these years. It has already become one of the most important countries in the world. Foreigners 42. ____________________ the ancient Eastern country. Helen is an exchange student. She has been in China since two years ago. She has studied in a university in China 43. __________.Great changes have made her amazed.“I think finding jobs is easier in China than in my country. I will work here 44. ___________I finish my studies,” As we know pay more attention to ever since as soon as 43 Helen said. In China,we can find new buildings everywhere. The changes are much greater than before. The achievement is so surprising. China is developing trade and friendship with other countries. China is 45. _______________________ in the world.#1.3 playing an important role ⏳ 时态闯关 Past vs used to vs Present Perfect ✅ 0 ❌ 0 📌 1/10 第 1 题 ✅ 提交答案 ➡️ 下一题 🔄 重新开始 🏆 得分：0 / 10 太棒了！ 🔄 再来一次 🔄 重置所有 $