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2019-2020年高中英語 Unit 3《Amazing People-Grammar and usage》教案2 牛津譯林版必修2 Teaching Aims: 1 Learn the past perfect tense 2 pare the use of the past tense , the present perfect and the past perfect Teaching Points: How to use the past perfect tense. Teaching Methods: 1 Inductive method 2 parative method Teaching Aids: 1 a multimedia 2 a blackboard Teaching Procedures: Step 1 Revision Guessing game Do you know any job words? Use your body language to show your job and ask your partner to guess. Step 2 Lead-in Fill in the blanks with proper tenses. What did you do yesterday? I enjoy shopping in the supermarket. Yesterday evening, I _______ （go）shopping near my home. I ______(be) busy all day long. So it _____ (be)a good chance for me to relax myself. There ____ (be)many people in the supermarket. Since I _____(have) enough time, I ______(feel) at ease. I ______(walk) here and there to see whether there _____(be) something I need. I ____ (fill)my basket with all the goods I chose. I _____(take) all my things with me. I ______ (decide) to go home by taxi. At the moment, a guide(保安)_____(stop) me and ____(tell) me that I ______(not pay). I felt very sorry that I ______(forget) it. I said I _____(think) I ______(do) it before I came out of the door. Step 3 Structure ? Had done/had been done The past perfect tense is often used with the simple past tense. If one action happens before another in the past, the past perfect tense is used. ? pare the simple past and The past perfect tense ? What is The past perfect tense ? More examples By the end of last year, I _______for 15 years. When I came back home, my favourite TV program __________. He was not worried at all. He ____________ preparations. ? The past perfect tense used in indirect speech ? Here the past action didn’t happen a long time ago. ? used with time expressions such as when, after, before, as soon as, until, by, for and already Step 4 A plete the story of Amelia Earhart ? (1)had seen (2)moved ? (3)had taken (4)had bee ? (5) had met (6)had begun ? (7)had started (8)had gone Step 5B plete the story of Amelia Earhart ? (1)surprised (2)was built ? (3)spent (4)was finished ? (5) had wanted (6)had received ? (7)had arrived (8)had hit ? (9)survived (10)had searched （11）used （12） had caused Step 6 Question ? How do you know you will use the past tense or the past perfect tense? How do you know you will use the past tense or the past perfect tense? Step 7 pare Present perfect or past perfect? ? The present perfect tense is used when we are talking about a past event which relates to the present time. ? Howard Carter is one of the most famous explorers the world has ever known. ? The past perfect tense is used when we are discussing the past and want to talk about an even earlier event. ? Not long after the tomb had been opened, people in Carter’s team began to fall ill and die strangely. Step 8 The inventor of paper ? (1)had failed (2)had tried ? (3)had heared (4)had caught ? (5) had showed/shown Step 9 Summary 一、 主語＋過去完成時 ＋①when引導(dǎo)的從句(注：從句謂語動詞為過去式) ＋②by短語 ＋③by the time引導(dǎo)的從句(注：從句謂語動詞為過去式) ＋④before引導(dǎo)的從句(注：從句謂語動詞為過去式) 例如 二、 1. 主語＋had＋hardly(scarcely)＋過去分詞＋when(before)＋主語＋一般過去時。 　　 2.主語＋had＋no sooner＋過去分詞＋than＋主語＋一般過去時 三、 根據(jù)上下文的時間關(guān)系來確定用過去完成時。 四、 表示過去未曾實現(xiàn)的愿望、打算或意圖，用過去完成時。常用動詞有：hope，think，expect，intend，mean，suppose，want等。 例如： They had wanted to help but couldnt get here in time. 他們本來是要來幫忙的，但未能及時趕到。 五、 It was＋時間＋since＋主語＋過去完成時。 Step 10 Practice ? Fill in the blanks 1.There________（be）25 parks in our city up till xx. 2. By the end of last term we ______(finish) the book. 3. They finished earlier than we __________(expect). 4. That was the second time that she _________ (see) her grandfather 5. It was 3 years since we ————(part)。 6. I ———— (hope) that I could do the job. 7. I ———— (intend) to see you but I was too busy. 8.When I arrived at the station, he had already left. We had learned about 4000 English words by the end of last term. I waited until he had finished his homework. We were surprised at what she had done. We ____our breakfast when an old man came to the door. (CET-4 1990,1) ? 　　A) just have had 　　 B) have just had ? 　　C) just had 　　 D) had just had. 9.Before the first nonstop flight made in1949, it ____ necessary for all planes to land for refueling. (CET-4 1996, 6) ? 　　A) would be B) has been ? 　　C) had been D) would have been Step 11 Quiz