人教版九年级Unit 12 Life is full of the unexpected.-Section A Grammar focus 4a—4c-ppt课件-(含教案+视频+音频)-公开课-(编号：9000a).zip

How did the writer end up missing the event? 6:006:00 7:007:00 现在现在 By the time he got up, his sister had already washed all the clothes. 1. 即将即将 2. 倒杯咖啡倒杯咖啡 3. 排队等候排队等候 4. 起床起床 5. 出去出去 6. 迟到迟到 7. 到时候到时候 8. 闹铃响闹铃响 9. 开始做某事开始做某事 10. 搭便车搭便车 be about to get a coffee wait in line get up get outside Translate the following phrases into English be late for by the time go off start doing sth. give sb. a lift What happened to you on a bad morning? First, I had slept when the clock went off. Then by the time I ate breakfast, I had hurt my hand with a knife. Before I went to school, I had gone to the doctor. What about your morning? I had forgotten to have breakfast before I went to the office this morning. 今天早晨去办公室之前，我忘记吃早饭 了。 时态分析： “去办公室”是发生在过去的事情，而“忘 记吃早饭”发生在“去办公室”之前，所以第 二个谓语动作发生在第一个谓语之前，是“ 过去的过去”，要用 。 I had forgotten to have breakfast before I went to the office this morning. 今天早晨去办公室之前，我忘记吃早饭了。 表示过去某一时间或动作以前已经 发生或完成了的动作。它表示动作发生 的时间是“过去的过去”。 表示发生在过去的动作对过去的某 一点造成的某种影响或结果，用来指定 在另一个过去行动之前就已经完成了的 一个事件。 e.g. 1. By nine oclock last night, we had got 200 pictures from the spaceship. 2. When I got to the cinema, the film had begun 3. He said he had worked in that factory since 1949. FinishFinish thethe tasktask 1. 过去完成时的构成：过去完成时的构成：_+_ 2. 过去完成时表示：过去完成时表示： _ _ 3. 过去完成时常与过去完成时常与 _等引导的时间等引导的时间 状语连用。状语连用。 had过去分词 when, before, by the time 过去某一时刻或动作之前已经发生 或完成的动作。 1)当我到达学校的时候，我才意识到我把书当我到达学校的时候，我才意识到我把书 包忘在家里了。包忘在家里了。 _ I got to school, I realized that I _ _ my backpack at home. 2)到我返回学校的时候，铃声已经响过了。到我返回学校的时候，铃声已经响过了。 _ _ _ I got back to school, the bell _ _. When had left By the time had rung Complete the following sentences 3)我到达公共汽车站之前，我到达公共汽车站之前， 汽车已经离开汽车已经离开 了。了。 Before I _ _ the bus stop, the bus _ _ _. 4)我决定先买一杯咖啡，然后再去办公室我决定先买一杯咖啡，然后再去办公室 。 I _ _ _ go up to my office when I decided to get a coffee first. got to hadalready left was about to 5)就在我和别的工作人员一起排队等候 的时候，听到了一个巨大的声响。 As I _ _ _ _ with the other office workers, I _ _ _ _. was waiting in line heard a loud sound 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. 由when, by the time, before等引导时间状语从句时，若描述发生在过去的事， 主句常用过去完成时(had + 过去分词)表示动作发生在过去的过去。 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. be about to do, be doing等表示即将 或正在做某事时，常用when引导从 句表示突然发生的动作。 4a Make sentences using by the time or before. 1. Tim went into the bathroom. Mary got up. By the time Mary got up, Tim had already gone into the bathroom. 2. The coffee became cold. I put cream (n. 奶 油) in the coffee. _ _ Before I put cream in the coffee, the coffee had become cold. 3. The teacher collected the math homework. I got to school. _ _ 4. I completed the work for my boss. The workday (n. 工作日) ended. _ _ By the time I got to school, the teacher had collected the math homework. I had completed the work for my boss before the workday ended. 5. The movie started. I arrived at the cinema. _ _ 6. My mother finished making the apple pie (n. 果馅派). I got home from my language course. _ _ _ 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. 4b 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 (n. 豆). rush out, forget, arrive at, go into, show up (赶到；露面), find out showed up had had forgotten 3. By the time my mother came back from the market (n. 市场), I _ already _ the door to go for my piano lesson. 4. Before she got to the airport, she _ _ about the earthquake. 5. When she _ the movie theater, she remembered she had forgotten to feed her dog. 6. Before she got a chance to say goodbye, he _ the building. had rushed out arrived at had gone into had found out 4c Write two true statements and one false statement about your day yesterday. Then ask your classmates to guess the false statement. 1. By the time I left for school in the morning, _ _ _ I had already had breakfast. I had already had supper. I had already had my hair cut. 2. By the end of the school day, _ _ _ _ _ _ 3. By dinner time, I_ _ I_ _ I_ _ I have got a present from Tom. I had had these articles read. I had finished my homework. had had too many apples. had eaten plenty of meat. have had all the housework finished. 1. When Tim got back home, he started to realize that the thief _ (come) to his house. 2. By the time I received the letter, I _ (tell) the content of it. Filling the blanks had come had been told 1. 当他到达学校的时候，老师已经开始当他到达学校的时候，老师已经开始 上课了。上课了。 _ _ 2. 当我到达电影院的时候，电影已经上当我到达电影院的时候，电影已经上 映五分钟了。映五分钟了。 _ _ By the time he got to school, the teacher had already started teaching. When I got to the cinema, the film had been on for five minutes. Translate the following sentences into English 1. 复习Grammar Focus 中的内容。 Try to make sentences with before, by the time and be doing when, and make use of the past perfect tense. 2. 写作： 描述一次难忘的经历。 1 1. 语言知识目标：语言知识目标： 1) 学习掌握下列词汇：cream, workday, pie, show up, bean, market, by the end of, 2）进行一步复习巩固学习 Section A 部分所学的生词和词组,巩固过去完成时的用法 2. 情感态度价值观目标：情感态度价值观目标： 1）能运用所掌握的语法，句型和词汇进行交流。 2）能比较流利地讲述自己曾经有的特别的经历。 二、教学重难点教学重难点 1. 教学重点： 1) 复习巩固 Section A 部分所学的生词和词组，达到熟练运用的目标。 2) 总结过去完成时的不同句型和用法。 。 2. 教学难点：过去完成时的用法 三、教学过程三、教学过程 . Revision 1. Enjoy the video and ask the Ss to answer the question. 2. Review some main phrases we learned in the last class. Translate following phrases into English 1. 即将 2. 倒杯咖啡 3. 排队等候 4. 起床 5. 出去 6. 迟到 7. 到时候 8. 闹铃响 9. 开始做某事 10. 搭便车 II. Warming up Ask: What happened to you on a bad morning? 引导学生用过去完成时回答。 过去完成时的构成：had+动词的过去分词 III. Grammar Focus. 1. 过去完成时讲解。 2. 学生阅读 Grammar Focus 中的句子，然后做填空练习。 1）当我到达学校的时候， 我才意识到我把书包忘在家里了。 When I got to school, I realized I _ _ my backpack at home. 2）到我返回学校的时候， 铃声已经响过了。 _ _ _ I got back to school, the bell _ _. 3）我到达公共汽车站之前， 汽车已经离开了。 Before I _ _ the bus stop, the bus _ _ _. 4）我决定先买一杯咖啡，然后再准备去办公室， 2 I _ _ _ go up to my office when I decided to get a coffee first. 5）就在我和别的工作人员一起排队等候的时候，听到了一个巨大的声响。 As I _ _ _ _ with the other office workers, I _ _ _ _. IV. Try to Find . Practice 1. Work on 4a. Ask Ss to make sentences using by the time or before on their own. 1) . Ask five students to the blackboard to write their sentences. 2). Correct their sentences together in class. 2. Work on 4b. 1). Let Ss read the words or phrases in the box and try to understand the meanings of them. 2). Fill in the blanks with the correct forms of the words by themselves. 3) .Correct their answers together. 3.Work on 4c. 1) Let Ss think about his/her day yesterday. 2) Let them write two true statements and one false statement about their day yesterday. 3). Ask their classmates to guess the false statement. e.g. 1. By the time I left for school in the morning, _. 2. By the end of the school day, _ 3. By dinner time, _ VI. Exercise 1. 用括号里所给词的适当形式填空。 2. 句子翻译 VII. Enjoy the music VII. Homework 1. 复习 Grammar Focus 中的内容。Try to make sentences with before, by the time and be doing when, and make use of the past perfect tense. 2. 写作： 描述一次难忘的经历。