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课件网) Presentation Unit1 The Changing World Section A What changes have taken place around you Grammar Focus (4a-4c) 语法课公开课 单元主题范畴：人与社会＆人与自我 单元主题内容：社会变迁与进步，家乡与国家发展；个人生活与自身成长变化 (2024新版)人教版 九年级(上册) Presentation Learning Objectives 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.通过4c贵州交通巨变，感受中国基础设施建设的飞速发展，增强民族自豪感。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) Presentation Fill and say Fill in the blanks according to the pictures anf Chinese. It to reach the town. It now. took half a day takes only an hour 以前去镇上要花半天时间。 They to see a doctor. The town . used to have to travel far has built a new hospital 这个城镇新建了一家医院。 现在只需要要花一个小时。 他们过去不得不长途跋涉去看医生。 Presentation Look and say Fill in the blanks according to the pictures anf Chinese. 年轻人回乡 Many young people __ in big cities. Now, more of them to live and work here. used to work have come back 现在，更多的人回到这里居住和工作。 许多年轻人过去在大城市工作。 The new highway and railway must ! 新修的公路和铁路一定帮了大忙！ 交通便捷 have helped a lot 基础设施 Our village a new hospital and a library. has just built 我们村刚刚建了一家新医院和一个图书馆。 Presentation Watch and fill Listen to the video clips and complete the blanks. When I _____ young, I’d listen to the radio. Waiting for my favorite songs. When they_____, I’d sing along. It_____me smile. was played made We _____ each other since we were nine or ten. Together we _____ hills and trees. have known have climbed simple past tense 一般过去时V-ed What’s the difference between the two tenses present perfect tense 现在完成时have done Presentation Look and say 4a Read the sentences and circle the verbs. Pay attention to the verb tenses. 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. 一般过去时 此处 表“到现在为止” 现在完成时 used to do:表示“过去常常做某事(现在已停止)，用于今昔对比 一般过去时：主语+动词过去式/used to＋其它成分 现在完成时：主语+have/has +动词过去分词 for ages 很久 used to Presentation Watch and learn Let’s watch two videos to learn the usage of “used to” . used to 含义： 过去常常做某事(现在不做了)，只描述过去的某种经常性、习惯性的动作或行为. 和现在形成对比。 结构： 主语+used to + 动词原形 I used to ... ...
