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2019-2020年高中英語 Unit 3《Amazing People-Grammar and usage》教案4 牛津譯林版必修2 Teaching Aims: Learn the past perfect tense 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 5 B 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 8The 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(shí) ＋①when引導(dǎo)的從句(注：從句謂語動(dòng)詞為過去式) ＋②by短語 ＋③by the time引導(dǎo)的從句(注：從句謂語動(dòng)詞為過去式) ＋④before引導(dǎo)的從句(注：從句謂語動(dòng)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(shí)。 　　2.主語＋had＋no sooner＋過去分詞＋than＋主語＋一般過去時(shí) 三、 根據(jù)上下文的時(shí)間關(guān)系來確定用過去完成時(shí)。 四、 表示過去未曾實(shí)現(xiàn)的愿望、打算或意圖，用過去完成時(shí)。常用動(dòng)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(shí)趕到。 五、 It was＋時(shí)間＋since＋主語＋過去完成時(shí)。 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