Unit 12 课时3 Section A（Grammar Focus-4C）（课件）英语人教版九年级全一册

Unit 1 2 Life is full of the unexpected 课时：Section A Grammar Focus-4c 人教版九年级全一册 课型：语法课 学习目标 在讲解中理解、识记运用本课时的语法知识过去完成时。（学习理解） 1 能运用讲授法和归纳总结法，让学生体会过去完成时在英语中的运用。（应用实践） 2 能够在英语的听说读写活动中熟练运用过去完成时，培养学生的逻辑性思维。（迁移创新） 3 目录 Lead in 1 Presentation 2 Practice 3 Production 4 Summary 5 Exercises 6 Homework 7 01 Lead in Lead in Let’s learn more about Past Perfect Tense Lead in What happened to her? By the time she got up, her brother had already gotten in the shower. By the time she got outside, the bus had already left. When she got to school, she realized that she had left her backpack at home. 9 By the time she walked into class, the teacher had started teaching already. Lead in Have you ever been late for school? 8:00 A.M 8:15 A.M present The bell rang. She got to school. By the time _______________, the bell _________. she got to school had rung 8:20 A.M 8:22 A.M. present The teacher started teaching already. She got into the classroom. When she___________________, the teacher __________________ already. got into the classroom had started teaching 02 Presentation Presentation When I got to school, I realized that I had left my backpack at home. By the time I got 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. 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。 Presentation 过去完成时由“助动词had (用于各种人称和数) + 过去分词”构成，表示某动作或状态在过去某一时间或动作之前已经发生或完成，它表示动作发生的时间是“过去的过去”。 过去的过去 过去某时 现在 将来 过去完成时 从过去之前的某个时间点到过去的某个时间点为止 （先发生） （后发生） Presentation (1)肯定句 主语 + had + 过去分词 + 其他. 2.否定句 主语 + hadn’t + 过去分词 + 其他. 3. 一般疑问句 Had+ 主语 + 过去分词 + 其他? 肯定回答：Yes, 主语 + had. /否定回答：No, 主语 + hadn’t. 4.---特殊疑问句 疑问词＋had ＋主语＋过去分词＋…？ 句式 Presentation 1.由时间状语来判定 ① by+过去的时间点 She had finished reading the book by 9 o’clock yesterday. had done ② by the end of+过去的时间点 We had completed all the work by the end of last month. ③ before + 过去的时间点。 The movie had started before I arrived at the cinema. ④when + 过去的时间点。 When I got to school, I realized I had left my at home. 过去的过去，先发生 一般过去，后发生 判断依据 Presentation 2.由“过去的过去”来判定 ①含有宾语从句的复合句中：当主句为一般过 去时，且从句的动作先于主句的动作发生时， 从句要用过去完成时。如在told，said， knew，heard，thought等动词后的宾语从句中。 She said that she had seen the film before. had done Presentation 2.由“过去的过去”来判定 had done ②含有状语从句的复合句中，主、从句的动作发生有先后关系，动作在前的要用过去完成时，动作在后的要用一般过去时。 When I got to the station, the train had already left. 火车离开发生在我到达车站之前。 Presentation Differences 1.时间状语不同 过去完成时：强调“过去的过去”； 一般过去时：强调过去某一特定的时间。 They had arrived at the station by ten yesterday. 他们昨天十点前就到车站了。 They arrived at the station at ten yesterday. 他们昨天十点到了车站。 Presentation Differences 2.在过去的时间中，哪个先发生，哪个后发生。 在没有明确的过去时间状语作标志时，谓语动词动作发生的时间先后须依据上下文来判断：先发生的用过去完成时，后发生的则用一般过去时。 She was very happy. Her whole family were pleased with her, too. She had just won the first in the composition competition. 03 Practice Practice 1. By the time my parents reached home yesterday, I _____ the dinner already. A. had cooked B. cooked C. have cooked D. was cooked 2. He ____ to play ____ before he was 11 years old. A. had learned, piano B. had learned, the piano C. has learned, the piano D. learns, piano 3. By the end of last month, I _______ all the CDs of Justin Bieber. A. collect B. collected C. have collected D. had collected 4. Robert was very upset that most of his friends ______ when he ______ at the party. A. left; had arrived B. had left; arrived C. left; arrived D. had left; had arrived Practice Practice 用括号中动词的正确时态填空 1. He said he __________ (see)the movie already. 2. When he got to the cinema, the movie __________ (be) on for twenty minutes. 3. After Jim ____________ (finish)all his homework, he went to bed. 4. We ___________________ (learn)20 English songs by the end of last month. 5. She ________ (arrive)before 7 o ’clock last night. had seen had been had finished had learned/learnt arrived 04 Production Production Make sentences using by the time or before. 4a 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 in the coffee. __________________________________________________ 3. The teacher collected the math homework. I got to school. __________________________________________________ __________________________________________________ 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. Production 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. __________________________________________________________ __________________________ Make sentences using by the time or before. 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. Production Fill in the blanks with the correct forms of the words in the box. 4b rush out forget arrive at go into show up find out 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. had shown up had forgotten had rushed out Production 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 Fill in the blanks with the correct forms of the words in the box. 4b had found out arrived at had gone into Production Write two true statements and one false statement about your day yesterday. Then ask your classmates to guess the false statement. 4c 1. By the time I left for school in the morning, _____________________________________________ 2. By the end of the school day, ___________________ 3. By dinner time, I ______________________________ I realized that I had left my keys at home. I had already finished my homework. had made the egg soup. 05 Summary Summary 过去完成时 定义 “过去的过去” 构成 had+done 用法 1. 从定义出发，即“过去的过去” 2. 在宾语从句的运用 3.含有时间、原因、方式等状语从 句的复合句中运用 4. 根据上下文语境来运用 判断 依据 1. 根据时间标志词 2. 根据情景判断，即过去动作的 先后顺序 06 Exercises Exercises 一、选择填空1. When the teacher got into the classroom, Xiaoming _______ a novel. A. read　　B. reads C. is reading D. was reading2. —May I 　___　 your English dictionary?—Sorry，I ______ it at home.A. lend；left B. borrow；left C. lend；forgot D. borrow；forgot3. It was said that Bob _______ his leg in his P. E. class. So he didn't come to Jerry's birthday party. A. had broken　 B. has broken C. was broken　 D. is broken4. Tom _______ because he had forgotten to set the alarm clock. A. had overslept　 B. overslept C. was oversleeping　 D. has overslept5. By the time I came back home, my mom _______ supper for the family. A. has yet cooked　 B. already cookedC. had already cooked　 D. had ever cooked 30 Exercises 6. —Congratulations! You _______ big progress in the last three years. —Thank you, Mr. Li. I'll never forget the good times in Junior High. A. make B. made C. have made D. will make7. She told me that she _______ a cold for three days.A. has caught B. had had C. has had D. had caught8. — How long _______ the movie _______ when the students got there?— About ten minutes.A. has; begun B. had; begun C. has; been on D. had; been on9. — My mother drove me to school because of the rain. —_______. I had to ride my bike and got wet. A. It’s a pity B. I’m sorry to hear that C. You’re lucky D. Have a good time 10. —Did you see Tom at the airport?—No. His plane _______ by the time I _______ there.A. had taken off；had got B. took off；gotC. took off；have got D. had taken off；got 31 Exercises 二、用括号内所给单词的适当形式填空1. Alice said she ________ (not find) her new pen yet.2. My friends ________ (take) many photos before I got to school.3. I began watching here an hour ago，but till now nothing ________ (happen). 4. By the time he got to the cinema，the film ________ (be on) for ten minutes.5. When Bob arrived home，he realized someone ________ (break) into his house. hadn't found had taken has happened had been on had broken 32 Exercises 三、根据汉语意思完成句子1. 在半夜之前我们已登上了山顶。We ____ __________ the top of the hill before midnight. 2. 我们到那儿时，他们还没有完成工作。They _____ __________ the work ______ we got there.3. 爸爸问我是否读完那本书了。My father asked me if I ____ ___________ reading that book. 4. 在我回到家之前，妈妈已经把饭做好了。Mom _____ already _______ supper _______ I returned home.5. 他搬到这儿之前已经在那个厂子里工作了五年。He _____ _________in that factory for five years before he moved here.6. 我动身去车站的时候，他们已经到北京了。By the time I ___ ____ the station, they _____ _____ _____ Beijing.7. 到上个月月底，她已经在纽约生活了10年。She ____ ____ in New York for ten years ____ ____ ____ ____ last month. had reached hadn't finished when had finished had cooked before had worked left for had been in had lived by the end of 33 07 Homework Homework 1 2 必做题：背诵语法重点。 探究性作业：根据4c中的陈述，写一篇关于自己的短文。 THANKS 感谢观看 人教版九年级全一册 Lavf59.16.100 $