26秋人教版九年级上册英语 Unit 1 The Changing World 课时3 Section A Grammar Focus （课件）

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）。Discuss Look at these sentences, tell the verb tenses.Discuss Look at these sentences, tell the verb tenses.Today we will focus on exactly these three ways of talking about the past and present. Circle the verbs. Work in pairs, Which sentences talk about a past action? Which talk about a past habit? Which talk about a result now?Grammar Focus此处 表“到现在为止”Grammar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）Grammar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GrammarUsed toYes, 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）GrammarGrammar 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 / 状态主语 + have / has + done1.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/单三一般现在时【主语 + used to+动词原形】过去习惯/状态（现在已改变）GrammarTIMEA: ______ 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 beendidn’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 readIn 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who has helped make life better? Parents? Teachers? Workers? Thinkinghard 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.2.In our hometown,ThinkingNew roads may destroy old forests. Changes can bring problems too.Not All Changes Are GoodWe should balance development with health.What should we do?Fast food restaurants – convenient but unhealthy. We should ...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/单三一般现在时【主语 + used to+动词原形】过去习惯/状态（现在已改变）GrammarTIMEI visited my grandma last week.。We used to live in a small flat.They have built a new hospital.主语 + have / has + doneHe gets up early in the morning.一、句型转换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?4.Tom used to get up at 6:00.（对画线部分提问）____ ____ Tom ____ to get up?5.My mother used to cook Chinese food.（变为反义疑问句）My mother used to cook Chinese food, ____ ____?6.Linda was afraid of the dark.（变为反义疑问句）Linda was afraid of the dark, ________ ______?Did usedidn’t usedidusedoWhendiddidn’t shewasn’t sheuse1.My grandfather ______ drink coffee every morning, but now he prefers tea.A. used to B. is used to C. gets used to 2.He ______ be shy, but now he enjoys giving speeches in public, ______ he?A. used to;didn’t B. used to; doesn’t C. is used to; isn’t3.— 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 toC. used to; wasn’t; is used to 4．—Tina, when did you come to Guangyuan? —Oh, many years ago. I ________ here since I was five.A．have goneB．have beenC．wasD．am4．—Peter, did you play table tennis with your friends after school yesterday?—No, I didn’t. We ________ vegetables in our school garden.A．waterB．have wateredC．wateredD．are going to water二、选择题ABABCHomeworkNeed 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）See you !