过去完成时教学案

1、授课学案学生： 授课教师： 颜丹丹 班主任： 科目： 初三英语 上课时间： 2016 年 月 日 时 时跟踪上次授课情况上次授课回顾 完全掌握 基本掌握 部分掌握 没有掌握作业完成情况 全部完成 基本完成 部分完成 没有完成本次授课容授课标题过去完成时学习目标1.通过与一般过去时的比较，导入过去完成时的概念。2.使学生正确理解和掌握过去完成时的概念结构和用法。重点难点过去完成时的用法。授课容【专题导入】原句： An apple a day, keeps the doctor away.ate an appleslept| |Had eaten an apple slept now定从： I h

2、ad eaten an apple before I slept.(After I had eaten an apple, I slept.) 【考点梳理】一、过去完成时的概念与结构特点概念：过去完成时( past perfect tense)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”。它是一个相对的时态， 只有在和过去某 个时间或动作相比较时才会用到。| | 那时以前 那时 现在 构成：过去完成时由“助动词 had + 过去分词”构成，它的否定句是在 had后边加 not， 变一般疑问句是把 had提前。其中 had 通用于各种人称。E.g.

3、I had reached the station before 9：00 oclock.I had not reached the station before 9：00 oclock.Had you reached the station before 9：00 oclock ？(思考如何回答)、用法：这个过去的时间状语有 by, by1、表示在过去某一时间或动作之前已经发生或完成的动作。 the time of ,等介词短语或者是 when ， before， after 等引导的从句。如： 由 by, by the end of, by then 等引导的状语从句。By the tim

4、e they arrived, the bus had left. 翻译：昨夜十点钟之前他已经上床睡觉了。He had gone to bed by 10:00 last night. 由 when，before ，after 等引导的从句。They had already finished cleaning the classroom when their teacher came.（ 当老师来的时候他们 已经打扫完了教师 ） 在 told, said, knew, heard, thought 等动词引导的宾语从句中， 一般用过去完成时。 ，表 示在谈话或产生某种想法之前发生的事情。例如：

5、 He said that he had known her well. 他说他很熟悉她。She wondered who had left the door open. 她想知道是谁没关门。I thought I had sent the letter a week before. 我认为我一星期前就把信寄出去了。2、表示 从过去某一时间开始一直延续到过去另一时间的动作或状态。常与 for 或 since 等 连用 .如:She had worked in this school since it opened 25 years ago.I had been at the bus stop

6、for 20 minutes when a bus finally came. 当车来的时候，我在车站已等了20 分钟。三、过去完成时 - 语法判定 根据 “标志 ”由时间状语来判定 一般说来，各种时态都有特定的时间状语。与过去完成时连用的时间状语有：by ， by the end of ，by then, 或者 when， after， before 等引导的状语从句。以及句 子中会出现的 already,just,once 等词语。也会有 for 或 since I met Wang Tao in the street yesterday. We hadnt seen each other

7、 since he went to Beijing. 注意：我们不一定非得用过去完成时表示过去先发生的事件，因为有时句意非常清楚。 before, after 引导的时间状语从句中，由于 before 和 after 本身已表达了动作的先后关 系，若主、从句表示的动作紧密相连，则主、从句都用一般过去时。例如： After he had finished his homework, he went to bed./After I finishedmy work, I wenthome.After he closed the door, he left the classroom. 动作的顺序往往

8、十分清楚时，我们通常用一般过去时表示依次发生的事件。 例如： I got out of the taxi, paid the fare, tipped the driver and dashed into the station.经典例题】1. He in Shanghai University for four years before he Beijing.A. studied, had gone B. had studied, wentC. has studied, goes D. had studied, had gone 解析： 他去之前在上大学学习了 4年 。在学习的动作发生在去之

9、前，因此第一个空 应用过去完成时。此题选 B 。2. The students busily when Miss Brown went to get a book she in the office.A. had written, left B. were writing, has leftC. had written, had left D. were writing, had left答案 D。 “把书忘在办公室 ”发生在 “去取书 ”这一过去的动作之前，因此 “忘了书 ”这一 动作发生在过去的过去，用过去完成时。句中 when 代表时间的一点，表示在 “同学们正忙 于”这一背景下， wh

10、en 所引导的动作正在发生。因此前一句应用过去进行时。3. Xiao Pei said she Hainan for 3 months.A. has been in B. had been in C. had been to D. had gone to解析： 小培说她去了三个月 。have been to 和 have gone to 都是短暂性的动词短语。 所以适应表示状态的 had been in. 应选 B.（教师版打印，学生版解析不打印）【举一反三】 一、单选1 When Li Ming hurried home ， he found that his mother alreadyt

11、o hospital.A has； been sent B had； sent C has； sent D had ； been sent2 We five English songs by the end of last term.A had learned B learned C have learned D will have learned3 Han Mei told me she lunch ， so she was very hungry.A has had B hasnt have C have had D hadnt had4 By the end of 1976 ， many

12、 buildings built in the city.A have been B have C had been D will5 She her keys in the office so she had to wait until her husband home.A has left ； comes B had left ； would come C had left ； came D left ； had come6 He said that it was at least ten years since I a good drink.A had enjoyed B was enjo

13、ying C have enjoyed D have been enjoying7 The meeting when Mr. Wang to school.A has begun ； getB has been on； getC had begun ； gotD had been on； got（答案： 1D 2 A 3 D 4 C 5 C 6 A 7 C ）【回顾与反思】 做题时常见错误如下： 一、 had 形式易写错例： 例： He hads （ have） gone home when I got to his office.答案： had解析： have/has 的过去式都为 had，

14、 had 在过去完成时中也是助动词，不能再有单三人称 的变化。二、易与现在完成时弄混例： He asked what I have （ have） said.答案： had 解析：现在完成时强调对现在的影响或结果。而过去完成时强调对过去的影响或结果。三、易与一般过去时弄混例：She lived （ live ） in New York for eight years before he came to China.答案： had lived解析：一般过去时表示过去发生的动作或存在的状态。 而过去完成时主要体现过去发生 的两动作先后有别，即比过去发生的某动作还要“过去 ”，两动作中先发生的是过去

15、完成时，后发生的则只用一般过去时。课后作业学生： 授课教师： 颜丹丹 班主任： 科目： 初三英语 上课时间： 2016 年 月 日 时 时跟踪上次授课情况上次授课回顾 完全掌握 基本掌握 部分掌握 没有掌握作业完成情况 全部完成 基本完成 部分完成 没有完成本次授课容授课标题过去完成时学习目标1.通过与一般过去时的比较，导入过去完成时的概念。2.使学生正确理解和掌握过去完成时的概念结构和用法。重点难点过去完成时的用法。. 单项选择1He asked me during the summer holidays.D. where had I goneD. had, doneD. learntA.

16、where I had been B. where I had gone C. where had I been2. What Jane by the time he was sever?A. did, doB. has, doneC did, did.3. I 900 English words by the time I was ten 。A. learnedB. was learningC. had learned4. She lived here for years.A. had, a few B. has, several C. had, a lot of D. has, a gre

17、at deal of5. By the time my parents reached home yesterday, I the dinner already.A had cookedB. cookedC. have cookedD. was cooked6. She said she the principle alreadyA .has seenB. sawC. will see D. had seen7. She said her family themselves the army during the war.A. has hidden, fromB. had hidden, fr

18、om C. has hidden, withD. had hidden, with8. By the time he was ten years old, he .A.has completed universityB. has completed the universityB. had completed an universityD. had completed university9. She had written a number of books the end of last year.A. forB. in C. by D. at10. He to play before h

19、e was 11 years old.A had learned, piano B. had learned, the pianoC. has learned, the pianoD. learns ,piano.11. What Annie by the time he was ten?A. did, doB. did, didC. has, done D. had done12 .He _ in the factory for three years before he joined the Army.A. has workedB. works C. had workedD. will w

20、orkthe bridge.13. By the end of last week, theyA. has completedB. completedC. will completeD. had completedA. a theB. the theC. / theD.the /15. By the time he was 4, he a lot of German words.A. had learnedB. has learnedC. learnedD.learns16 .Jim turned off the lights and then _ the classroom.A. was l

21、eftB. had leftC. has leftD.left17.They _ in Guangzhou since 2000.A. livedB. had livedC. have livedDwere living18. The train from Beijing ten minutes ago.A. has arrivedB. was arrivingC. arrivedD.had arrivedfootball.14. Ben hates playingviolin,but he likes playing19. The studentstheir classroom when t

22、he visitors arrived.A . have cleanedB. had cleaned C. was cleanedD. have been cleaned20. Fergie_Bthe project in one hour.A. have finishedB. will finishC. finishesD. has finished21. The manhis coat and went out.A. put onB. had put onC. will put onD. was putting on22 My motherin that factory at the ag

23、e of 18.A. had worked B. has worked C. worked D. works23. Dad _Cwhile heTV.A .fell asleepC. fell asleep watchB. was falling asleep was watching D. had fallen asleep watched watched二.用动词的适当形式填空1. We (paint) the house before we moved (move) in.2. That rich old man (make) a will before he (die).3. They

24、 _ (study) the map of the country before they (leave).4. The robbers _had run away (run away ) before the policemen arrived (arrive).5. I (turn off) all the lights before I _ (go) to bed.6. Paul(go) out with Jane after he (make) a phone call.7. Tom _ (say) he (read) the book twice.8. Our plan (fail

25、) because we (make) a bad mistake.9. When the chairman (finish) speaking, he (leave)the hall.10. The Reads(have) lunch when I (get) to their house.11. When I (arrive) at the station, he (leave).12. We _(learn) about 4000 English words by the end of last term.13. I(wait ) he (finish) his homework.14.

26、 We were surprised at what she already (do)15.She _didnt go_(not go) to Qingdao because she (go) there before.16. He _ (not tell) you the news yet.17. He said he already_(give) the book to the teacher.18. I （be） to Shanghai before.19. She told me she （be） to Sanya three times.20.She （play） the guita

27、r while her sister（sing）.三句型转换1I had sold the ticket when she came. （改否定句）2.She had sung a song to us before she danced（. 改否定句）3. They began to climbed the mountain after they had bought all the food and drink. （否定）4. By 10:00 a.m, I had been very hungry. （改一般疑问）5. Lucy had already completed the pro

28、ject when I arrived. （改一般疑问）6. By the time he got to the airport, the plane had taken off. （改一般疑问）7. He had broken his arm when I saw him. （对划线部分提问）8. When he had read the note, he ate it. （对划线部分提问）9. Jack didn t go to the cinema because he had seen the （film对.划 线部分提问）10.We had had the toys for ten

29、years before we gave them to the child. （对划线部分提问）11.She had written the book by the end of 1960. （对划线部分提问）12. We cooked the dumplings. We ate them up. （用过去完成时连接两句）13. Jim s father mended the car. It was broken（. 用过去完成时连接两句）14. We had our tests. Then we had a long holiday.（ 用过去完成时连接两句 ） After we , we

30、 15. He showed us a picture. Then he showed us around the house. 用过去完成时连接两句 ） Before he , he四. 完形填空Scientists study the world and learn about things using a process called the scientific method（ 方法 ）. By asking important questions and 16 the answers, it is possible to make amazing discoveries! Somet

31、imes a scientist is17 to answer his own questions, but if he hastaken good notes another scientist may come along later who is able to use new knowledge to answer it.When you use the scientific method to 18 an experiment, you start by making observations（观察 ） about something that 19 you. Based on yo

32、ur observations, you make a hypothesis. This is using 20 you know to make a smart guess about what you think could happen. Then you are ready to begin your experiment. All 21 your experiment you take down notes, which are22 experiment date（ 资料 ）. You are constantly making observationsduring this tim

33、e. You may make discoveries that cause you to improve your experiment as you go. 23 , you conclude your experiment and begin to look over your notes to decide what it all means. Based on what you have learned, you make a final statement about 24 your hypothesis was correct or not. You have to have r

34、easons and evidence to support what you are saying.Using the scientific method can be difficult, but rewarding. Because all the steps are organized in a process, the 25 are more valid（ 可信的 ）. When you provide observations as evidence to support what you are saying, your ideas are more likely to be a

35、ccepted.1.A. waiting forB. searching forC. worrying aboutD. complaining about2.A. unableB. sureC. readyD. surprised3.A. readB. refuseC. preventD. conduct4.A. hurtsB. representsC. interestsD. attacks5.A. whatB. whenC. whyD. which6.A. withoutB. includingC. exceptD. during7.A. controlledB. arrangedC. calledD. carried8.A. ObviouslyB. SuddenlyC. FinallyD. Mostly9.A. whetherB. whatC. howD. when10.A. problemB. resultsC. servicesD. aims参考答案一单选1-5ADCAA 6-10 DBDCB11-15 DCDDA16-20DCCBB 21-23ACC二.用动词的