高中英语 Unit 3《Amazing People-Grammar and usage》教案2 牛津译林版必修2

Period 5 Grammar and usage (the first period)Teaching Aims:1 Learn the past perfect tense2 Compare 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 Comparative methodTeaching Aids:1 a multimedia2 a blackboardTeaching Procedures:Step 1 Revision Guessing gameDo you know any job words? Use your body language to show your job and ask your partner to guess.Step 2 Lead-inFill 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. Compare 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 Complete the story of Amelia Earhart (1)had seen (2)moved (3)had taken (4)had become (5) had met (6)had begun (7)had started (8)had goneStep 5B Complete 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 Compare 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 8 The inventor of paper (1)had failed (2)had tried (3)had heared (4)had caught (5) had showed/shownStep 9 Summary一、 主语过去完成时when引导的从句(注：从句谓语动词为过去式)by短语by the time引导的从句(注：从句谓语动词为过去式)before引导的从句(注：从句谓语动词为过去式) 例如二、 1. 主语hadhardly(scarcely)过去分词when(before)主语一般过去时。 2.主语hadno sooner过去分词than主语一般过去时三、 根据上下文的时间关系来确定用过去完成时。四、 表示过去未曾实现的愿望、打算或意图，用过去完成时。常用动词有：hope，think，expect，intend，mean，suppose，want等。例如： They had wanted to help but couldnt get here in time. 他们本来是要来帮忙的，但未能及时赶到。五、 It was时间since主语过去完成时。Step 10 Practice Fill in the blanks1.There_（be）25 parks in our city up till 2000.2. 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