2019-2020年高中英語(yǔ) Unit 3Amazing People-Grammar and usage教案4 牛津譯林版必修2Teaching Aims:Learn the past perfect tensepare the use of the past tense , the present perfect and the past perfectTeaching Points:How to use the past perfect tense.Teaching Methods:1 Inductive method2 parative methodTeaching Aids:1 a multimedia2 a blackboardTeaching 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 doneThe 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 examplesBy 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 didnt happen a long time ago. used with time expressions such as when, after, before, as soon as, until, by, for and alreadyStep 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 goneStep 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 causedStep 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 Carters 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(yǔ)過(guò)去完成時(shí)when引導(dǎo)的從句(注：從句謂語(yǔ)動(dòng)詞為過(guò)去式)by短語(yǔ) by the time引導(dǎo)的從句(注：從句謂語(yǔ)動(dòng)詞為過(guò)去式) before引導(dǎo)的從句(注：從句謂語(yǔ)動(dòng)詞為過(guò)去式) 例如二、 1. 主語(yǔ)hadhardly(scarcely)過(guò)去分詞when(before)主語(yǔ)一般過(guò)去時(shí)。2.主語(yǔ)hadno sooner過(guò)去分詞than主語(yǔ)一般過(guò)去時(shí)三、 根據(jù)上下文的時(shí)間關(guān)系來(lái)確定用過(guò)去完成時(shí)。四、 表示過(guò)去未曾實(shí)現(xiàn)的愿望、打算或意圖，用過(guò)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(lái)是要來(lái)幫忙的，但未能及時(shí)趕到。 五、 It was時(shí)間since主語(yǔ)過(guò)去完成時(shí)。Step 10 Practice Fill in the blanks1. 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 grandfather5. 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 nonstop 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