Unit 12 Section A (Grammar Focus-4c)课件2025-2026学年人教版(2012)英语九年级全册

该初中英语课件聚焦过去完成时教学，通过时间轴文本（如“音乐会结束”与“刘梅醒来”）、语法填空等导入活动，结合一般过去时、现在完成时对比表格，搭建“过去的过去”时态逻辑支架，帮助学生理解时态含义与用法。 其亮点在于以多样化练习（造句、填空、真实情境描述）提升语言能力，通过时态对比分析培养思维品质。如4c让学生写昨日经历的真假句子，既巩固语法又锻炼表达；语法讲解从含义、结构到用法实例系统清晰，教师易上手，学生能高效掌握时态运用，提升英语综合能力。

Section A (GF-4c) Made by Qianmo-studio Life is full of the unexpected. Unit 12 Made by Qianmo-studio Qianmo-studio 1. market /ˈmɑ:(r)kɪt/ n. 市场；集市 2. airport/ˈeəpɔ:(r)t/ n. 机场 3. burn /bɜ:(r)n/v. (burnt, burnt) 着火;燃烧 4. stare /steə/,/ster/ v. 盯着看；凝视 5. alive /əˈlaɪv/ adj. 活着；有生气的 6. dead /ded/ adj. 死的;失去生命的 7. show up 赶到，露面 8. be about to do sth 刚要做某事；即将做某事 9. wait in line 排队等候 10.in disbelief 不可置信的 Dictation Qianmo-studio 1. I was about to go up when I decided to get a coffee first. 2. As I was waiting in line with other office workers, I heard a loud sound. 3. Before I could join the others outside to see what was going on, the first plane had already hit my office building. 4. But by the time I got to the airport, my plane to New Zealand had already taken off. 5. My bad luck had unexpectedly turned into a good thing. 重点句型 Review Qianmo-studio 1. To learn to understand the use of Past perfect tense 2. To be able to write sentences using by the time or before 3. Key words & sentences: cream，workday，show up, bean, market, by the end of 1).By the time I arrived at the party, everyone else had already shown up. 2).When she arrived at the movie theater, she remembered she had forgotten to feed her dog. Learning goals Qianmo-studio cream workday pie show up bean market by the end of n. 奶油；乳脂 n. 工作日 n. 果馅饼；果馅派 赶到；露面 n. 豆；豆荚 n. 市场；集市 在（某时间点）以前 Words Review Review Qianmo-studio When I got to school, I realized that I had left my backpack at home. By the time I got back to school, the bell had rung. Before I got to the bus stop, the bus had already left. I was about to go up to my office when I decided to get a coffee first. As I was waiting in line with the other office workers, I heard a loud sound. Read Grammar Focus and find out the Past perfect tense Presentation Qianmo-studio 6 She got into the classroom. The teacher started teaching in the classroom. When she ____________________, the teacher ___________________ in it. had started teaching got into the classroom 8:22 A.M. 8:20 A.M present Presentation Qianmo-studio Liu Mei woke up. The concert was over. By the time / When Liu Mei _________, the concert _____________. woke up had been over present Presentation Qianmo-studio Past perfect tense 含义： 基本结构： 表示在过去某一时间或动作之前已经发生或完成了的动作。 助动词had+V-ed Presentation Qianmo-studio 用 法 1. 用于表示过去某一时刻或某一动作前已经发生的动作或状态，常与by, before, until, when等引导的表过去的时间状语连用。 1) By the time I got to the airport, my flight had already taken off. 2) The movie had started before I arrived at the cinema. 3) He waited until she had finished speaking. 4) When we got there, the boys had started playing football. Presentation Qianmo-studio 2. 过去完成时用于宾语从句中，表示从句的动作或状态发生在主句的谓语动作之前。 1) She said she had worked in a foreign company for five years before she became an English teacher. 她说她在成为一名英语老师之前曾在一家外国公司工作了五年。 2) He said he hadn't seen such an exciting basketball match before. 他说他以前没见过如此激动人心的篮球比赛。 Presentation Qianmo-studio 现在完成时 此处的情境强调“离开”的动作对现在的影响：公交车已经离开，现在已不在公交车站，故用现在完成时。 The bus has already left. 过去完成时 此处的情境强调“我到达车站时，公交车已经离开”，即表示“公交离开”的动作发生在“到达车站”之前，即“过去的过去”，故用过去完成时。 When I got to the bus stop, the bus had already left. 一般过去时 此处的情境强调“公交离开”的动作是五分钟前发生的，故用一般过去时。 The bus left five minutes ago. Presentation Qianmo-studio 12 时态 概念 常见的时间状语 例句 一般过去时 在过去某个时间发生的动作或存在的状态 yesterday, last week, ago, just now等 The film started ten minutes ago. 现在完成时 过去发生或已经发生的动作对现在造成的影响 just, never, ever, so far, already, since, for等 The film has already started. 过去完成时 在过去某个时间或动作之前就已发生的动作，即表示动作发生的时间是“过去的过去” by the time+从句；by the end of last+时间段； before+过去时间状语等 By the time they arrived at the cinema, the film had started. 过去完成时与一般过去时、现在完成时的用法区别 Qianmo-studio 13 Make sentences using by the time or before. 1. Tim went into the bathroom. Mary got up. ____________________________________________________________ 2. The coffee became cold. I put cream in the coffee. ____________________________________________________________ 3.The teacher collected the math homework. I got to school. ____________________________________________________________ 4. I completed the work for my boss. The workday ended. ____________________________________________________________ 5. The movie started. I arrived at the cinema. ____________________________________________________________ 6. My mother finished making the apple pie. I got home from my language course. __________________________________________________________ __________________________ By the time Mary got up, Tim had already gone into the bathroom. Before I put cream in the coffee, the coffee had become cold. By the time I got to school, the teacher had collected the math homework. 4a I had completed the work for my boss before the workday ended. The movie had started before I arrived at the cinema. By the time I got home from my language course, my mother had finished making the apple pie. Practice Qianmo-studio Fill in the blanks with the correct forms of the words in the box. 1. By the time I arrived at the party, everyone else ____ already _________. 2. When he put the noodles into a bowl, he realized he ____________ to add the green beans. 3. By the time my mother came back from the market, I ____ already_______ of the door to go to my piano lesson. 4. Before she got to the airport, she _____________ about the earthquake. 5. When she _________ the movie theatre, she remembered she had forgotten to feed her dog. 6. Before she got a chance to say goodbye, he _____________ the building. rush out forget arrive at go into show up find out had shown up had forgotten had rushed out 4b arrived at had gone into had found out Practice Qianmo-studio Write two true statements and one false statement about your day yesterday. Then ask your classmates to guess the false statement. By the time I left for school in the morning, _______________________________________ By the end of the school day, ______________________________________ 3. By dinner time, I _____________________________________ 4c my classmates had cleaned the classroom I had had six classes had eaten three apples Practice Qianmo-studio 1. He was unhappy when he sold his guitar. After all, he ________(have) it for a very long time. 2. The twins, who ___________ (finish) their homework, were allowed to play badminton on the playground. 3. When Tim got back home, he started to realize that the thief ___________ (come) to his house. 4. By the time I received the letter, I _____________ (tell) the content of it. I. Fill in the blanks with the correct forms of the words. had had had finished had come had been told Exercises Qianmo-studio II.单项填空 (　)1.—Why was he late for the international meeting? —By the time he got to the airport, the plane 　　already 　　.  A.has; taking off B.has; taken off C.would; take off D.had; taken off (　)2.You didn’t watch the movie? —Yes, but by the time I got to the cinema, the movie 　　for several minutes.  A.has begun B.had been on C.had begun D.has been on (　)3.By the time I got to the supermarket, all the tomatoes 　　.  A.sell out B.have been sold out C.sold out D.had been sold out (　)4.—What did they do in the meeting room yesterday? —They discussed what they 　　in the last two years.  A.had done B.would do C.were doing D.did (　)5.　　 last weekend, I had finished most of the work.  A.By the end of B.At the end of C.In the end D.To the end B D D A A Exercises Qianmo-studio Jason, a 25-year-old young man, has a special skill. He can climb up any wall or cliff(悬崖) freely. Jason learned the skill by 6.　　　　.That was a sad story behind it actually. Jason left school early and went to work in order to help his parents feed the family. He went to a rich French family 7.　 　 a servant at the age of 15. The host once lost a gold 8.　　　　.He thought it was stolen by Jason. He beat Jason and didn’t give him anything 9.　　　　 for three days. Jason felt so sad that he decided to jump off the cliff to kill himself. He ran to a nearby mountain and was ready to climb up a big stone to jump down. He thought of many 10.　　　　 to climb up, but he couldn't. At that time, a monkey was there and it climbed up the stone from the side by 11.　　 easily. Jason felt very surprised. He even felt that he was not as 12.　　　 as the monkey. Then Jason gave up the thought of 13.　　 　.He began to watch the monkey and practice climbing the stone walls like the monkey. Jason finally learned to climb up the walls and cliffs, and he had no 14.　　 　　 in doing different kinds of climbing.  Now, Jason has achieved great 15.　　　　 and many people learn “Monkey Kung Fu” from him. His skill has been 16.　　　　 to make money for him and his family. accident, way, eat, death, as, itself, success, watch, good, difficulty, able accident as watch to eat ways itself good death difficulty success able Exercises Qianmo-studio Memorize the summary Recite Grammar Focus. Finish the exercises on the students’ book. Preview 1a-1e on page 93. Homework Homework Qianmo-studio $