Unit 1 Section A Grammar Focus-4c 2026-2027学年九年级英语上册同步实用课件（新教材人教版）

该初中英语课件聚焦“used to do”用法、一般过去时与现在完成时，以“过去-现在”变化为主题，通过贵州红枫湖大桥等真实情境案例，结合思维导图梳理过去与现在的对比，搭建从旧知到新知的学习支架，帮助学生系统掌握语法知识。 其亮点在于以真实生活变化为载体，通过对比辨析培养思维品质，如用“used to do”与现在完成时分析交通发展；融入家乡变化案例增强文化意识，提升语言运用能力。学生能在语境中理解语法，教师可借助结构化练习与情境素材提高教学效率。

Unit1 The Changing World Section A Grammar The usages of used to do sth. used to do 的概念 表示 “过去常常做某事/过去曾经存在某种状态(现在已经不这样了)”, 是一般过去时的时态。 肯定句：我以前每天跑步。 I ______________ every day. 否定句：我以前不每天跑步。 I ______________ every day. 一般疑问句：你以前每天跑步吗? _____ you __________ every day? --- Yes, _______. --- No, I _______. used to run didn’t use to run Did use to run did didn’t Can you summarize the sentence structures of “used to do” ? 1. 过去是，曾经是 过去(常常)做某事 used to be +n / adj 例句： 1. 他以前很害羞，不敢在公众面前讲话。 2. 这个地方过去曾是小村庄。 used to do sth 例句： 1. 我们从前习惯面对面交流，而非每天在手机上聊天。 2. 从前人们去陌生城市旅行时，都依赖纸质地图。 He used to be a shy boy who dared not share his ideas in public. The area used to be a small village. We used to communicate face to face instead of chatting on phones. People used to rely on paper maps when they traveled to unfamiliar cities. 被用来做某事 be used to do sth = be used for doing sth 习惯于做某事 be / get used to doing sth 例句： 1. 太阳能被用来给村庄供电。 2. 这个新工具被用来提升我们的记忆力。 例句： 1. 她以前习惯熬夜，但现在改掉了这个坏习惯。 2. 你很快就会适应住在这座日新月异的现代化城市。 Solar power is used for providing electricity for villages. This new tool is used to improve our memory, She was used to staying up late, but now she changes this bad habit. You will soon be used to living in the changing modern world. 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 that show the simple past tense and the present perfect tense. 一般过去时 simple past tense 现在完成时 present perfect tense 现在完成时定义： 2. 表示从过去开始并持续到现在的动作或状态。 1. 表示过去发生或已经完成的动作对现在造成的影响或结果。 现在完成时构成： have / has +过分 现在完成时时间状语 / 标志词： 以前 最近地 到目前为止 两次 从不 刚刚 曾经 已经 仍然，还 在过去的几年里 这一周以来 多年来 for since before recently so far twice never just ever already yet in the last / past few years during this week over these years +时间段 +时间点 sb have / has been to+sp sb have / has gone to +sp sb have / has been in +sp +时间段 某人去过某地 人已经回来 某人去了某地 人现在还在那里，没回来 某人在某地待了多久 强调持续状态 ever, never, twice, three times, before 不能和次数连用 必须加时段 （for/since） 1. Sorry, Mr. Wang isn't in the office right now. He ____________ the airport to pick up a foreign guest. 2. We ____________ this beautiful coastal city for nearly five years, and we really love living here. 3. My grandparents ____________ Mount Huang twice, and they always talk about the beautiful sunrise there. 4. He ____________ Canada since he graduated from university in 2019. 5. _________ you ever __________ the new science museum that opened last month? 6. The twins ____________ their uncle's farm in the countryside. They won't come back until Sunday evening. has gone to have been in have been to has been in Have been to have gone to Exercises 1.在过去，这里遍布黄沙。（in the past） 2.过去几年来，这里已经绿树成荫。(in the past few years) 3.他刚刚写完了作业。(just now) 4. 他刚刚已经把作业写完了。（just） 5. 人们过去常常要步行很远去看病。（ago） In the past, the area was covered with sand. In the past few years, the area has been covered with green trees . He finished his homework just now. He has just finished his homework. People used to walk far to see a doctor. Present perfect tense. 句式 基本结构 肯定句 主语 + __________ + __________. 否定句 主语 + _______________ + ______. 一般疑问句 ___________ + 主语 + ______? ---Yes, 主语 + ________________. / No, 主语 + ________________. 特殊疑问句 ______ + ________ + 主语 + _____? have / has done haven’t / hasn’t done Have / Has done have / has haven’t / hasn’t 疑问词 have/has done 主语为 ___________ _____ 及__________，助动词用 have； 主语为 ___________ 及________________ ______，助动词用 has. I / you / we / they 复数名词 he / she / it / 单数名词 / 一个 人名 曾经 ______________ 从未 ______________ 刚刚 ______________ 已经 ______________ 尚/还 ______________ 最近 ______________ 以前(句末) _________ 到目前为止 _________ 直到现在 ___________ 到如今 _____________ 去了某地(未回) ________________ 去过某地(已回) ________________ 呆在某地…时间________________ 持续….时间 ___________________ 自从__________________________ 一/两/三次_____________________ 这些天________________________ 一整天 / 一整周________________ 在过去…年里__________________ 现在完成时的时间标志词： Present perfect tense. ever never just already yet recently / lately before so far until now up to now for + 时间段 since + 过去时间点/过去句子 once/twice/three times these days have gone to… have been to… have been in… in /over the past … years all day / week 一般过去时时态的概念: 表示在___________________________________ 的短暂动作，该动作不延续到现在 表示__________________________，现在该状态已不复存在。 Simple past tense. past now now Locals worked by hand 10 years ago. They used to walk to work last year. 表示过去发生的动作, 且动作在过去终止, 和现在没有直接关联。 表示过去的习惯, 在过去时间段里反复发生, 且现在已经停止。 过去某个具体时间发生且已经完全结束 过去一段时间持续存在的状态 Simple past tense. 句式 结构(含有be动词) 结构(含有实义动词) 肯定句 主语 + __________ + … 主语 + ____________ + … 否定句 主语 + ______________ + … 主语 + _______________ + … 一般疑问句 __________ + 主语 + …? --- Yes, 主语 + ____________. --- No, 主语 + ____________. ______ + 主语 _______ + …? --- Yes, 主语 + _______. --- No, 主语 + _______. 特殊疑问句 特殊疑问词 + __________ + 主语 + …? --- 问什么, 答什么. 特殊疑问词 + _____ + 主语 + ______ + …? --- 问什么, 答什么. was / were 动词过去式 was / were not didn’t + 动原 Was / Were Did 动原 was / were wasn’t /weren’t did didn’t was / were did 动原 …. 之前：three years ago / three days ago… 上一个 …：last week / last month / last year… in + 过去的年份：in 1995, in the 1990s… yesterday短语： yesterday morning, the day before yesterday… 模糊过去时间：just now (刚才), then (那时), at that time (在那时), once (曾经), once upon a time (从前), long time ago (很久以前)… 固定短语：one day (有一天), that day (在那天)… 一般过去时的时间标志词： Simple past tense. I _______________ (volunteer) at this hospital since 2021. She ________ (start) volunteering two years ago. They __________ (be) friends for ten years. He ________ (join) the volunteer group last month. We _____________ (clean) up the beach since 8 a.m. this morning. My sister ____________ (not / eat) anything since breakfast. The old man __________ (live) in this village for 60 years. I _____ (see) that movie when I was ten. They _____________ (collect) over 1,000 books so far. She __________ (be) a volunteer at the museum since she graduated. 判断并填写正确的动词形式（现在完成时或一般过去时） have volunteered started have been joined have cleaned hasn't eaten has lived saw have collected has been Made by Falzzi Made by Falzzi 4b. Complete the conversation with the correct forms of the verbs in brackets. 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 Do like have did see read listened will bring 关于科学和中国文化的书籍 visited 1. What can you see in the picture? The environment: many mountains and rivers The building: a high bridge Hongfenghu (红枫湖) Bridge in Guizhou Province 2. What is the text probably about? View & Predict It is probably about Guizhou’s___________. was be made have taken has built have improved were 讲过去的事情；与现在无关 强调对现在造成的结果：当地人民的生活改善了 1. Fill in the blanks and give the reasons. (4c) 2. What’s the text about? 强调变化对现在的影响 Main idea: It is about Guizhou’s great changes in __________. transport How has it changed? Complete the mind map. Read & Complete Past Present Transport in Guizhou ________ to cross over mountains and rivers _________________ It is ________ for locals to _______________ or to _________________. The _________ has built ___________________________________________________ _________________ A journey that used to take a day now takes _____________ The lives of locals _______________. They are much _______________. no bridges dirt tracks difficult bring products to the market develop industry richer and happier have improved government thousands of kilometers of highways, railways and wide roads many bridges and tunnels only a few hours easy difficult 在过去 过去曾经有 泥泞小道 bring…to… 把…带来… 发展工业 take place 发生 数千万的 take + 时间, 花费… 因此 In the past, it was 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 made it difficult for locals to bring products to the market or to develop industry. Now great changes have taken place. The government has built thousands of kilometres of highways, railways, and wide roads. It has also built many 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 have improved. They are much richer and happier than they once were. 最高科技的 并且 一个巨大的儿童书籍区 电子书 有声书 在过去 7. 过去常常做某事 8. 跋山涉水 9. 土路 10. 把产品运到市场 11. 发展工业 12.成千的 13. 几个小时 14. 因此 15. 当地人民的生活 16. 更富裕，更幸福 17. 去过某地 the most high-tech as well as a huge section with children's books digital books audio books in the past used to do cross mountains and rivers dirt tracks bring products to the market develop industry thousands of a few hours as a result the lives of local people much richer and happier have been to 18.我们家乡以前没有公路，铁路以及宽阔的公路。 _______________________no highways, railways and wide roads in our hometown. 19.一座座新建的大桥让当地人出行更加便捷。 The new bridges_________________________________to travel. 20.近些年来，我们城市发生了巨大变化。 Great changes ______________________________in our city in recent years. 21.近几年来，政府已经在各个湖泊上修建了众多现代化桥梁。 In the last few years, the government ___________many modern bridges across lakes. 22.过去人们乘船横渡这座大湖需要耗费一整天。 People_______________________to the large lake by boat. There used to be make it easier for local people have taken place has built used to take a day There are sections with books about science and Chinese culture, as well as a huge section with children's books. (教材P54b) 有一个很大的儿童图书区，还有科学和中国文化图书区。 as well as 含义 除…之外, 也, 还 位置 位于所连接的两个成分之间, 不能位于句尾。 用法 连接对等成分, 在语义上通常强调其前面的信息(翻译时常先译后面的, 再译前面的) as well 也, 还 常位于句尾 无侧重, 用于补充信息。 as well as连接两个并列成分作主语时，谓语动词应与其前面的主语保持人称和数的一致。 Made by Falzzi The world keeps changing. Better roads, schools, and technology make our lives better. We should be thankful for today’s development and work hard for a brighter future. Change is the only constant in life. $