吉林省伊通满族自治县第三中学校高中英语人教版选修8学案：UNIT5 MEETING YOUR ANCESTORS 新学案第3课时 .doc

1、人教版高二英语选修八Unit5 Meeting your ancestors导学案 设计：王若妍 审核：王超群 课 题Period3 Grammar The Present Perfect Tense 课 型New class姓 名 学习目标1. Get students to become interested in grammar learning.2. Develop students sense of group cooperation.重点难点1.Get students to learn and master the use of the present perfect conti

2、nuous tense2.Enable students to learn how to use the rules of the present perfect continuous tense correctly.学习流程自主合作探究 学 习 活 动二 次 备 课Step one 探索新知Point out the sentences including the The Present Perfect Tense.Step two 新知应用 The Present Perfect Tense 现在完成时: 基本用法 现在完成时表结果, 他的动作发生在过去, 但是对现在有影响, 而这种影响却

3、往往是说话人的兴趣所在。现在完成时跨越两个时间, 一个是过去, 另一个是现在。e.g. 我从1975年起就学英语。 I have studied English since 1975. 自12世纪以来, 中国就使用彩色印刷了。 They have done color printing in China since the 12th century.Present Perfect Continuous Tense 现在完成进行时: 基本用法 1) 强调时间的持续性。如： 电话响了差不多一分钟, 为什么没人接?The telephone has been ringing for almost a

4、 minute. Why doesnt someone answer it?2) 表重复。叙述从过去某时到现在或最近已在重复的动作。如： 最近天气变化无常, 我时常感冒。 The weather has been changeable lately; Ive been having a lot of colds. 3) 有感情色彩。如： 今天真是一个多事之日。Too much has been happening today.现在完成进行时和现在完成时的比较: A. 未完结性 Ive cleaned the windows. 我把窗户擦干净了。 Ive been cleaning the wi

5、ndows. 我擦窗户来着。(可能窗户尚未擦完)B. 短暂性 现在完成时与现在完成进行时都可以表示延续至今的状态, 但完成进行是常表示短暂性。 A. They have lived in New York. B. They have been living in New York. 句A具有长期性, 而句B具有短暂性。C. 刚完结性 与现在完成时相比, 现在完成进行时有时可以表示刚刚完结的动作。有时它是现在事件的直接原因, 或者是得出结论的证据。如: 我的手很脏, 我在油汽车来着。My hands are dirty. Ive been painting the car. 你的眼睛又红又肿,

6、你是不是哭来着？ Your eyes are red and puffy. Have you been crying?D. 连续性或重复性 现在完成进行时常常用于表示延续至今的连续性或重复性动作。如：Jim have been phoning Jenny every night for the several month. All these days he has been writing articles to our magazine.结论: 现在完成进行时主要用于表示 A. 过去开始而且现在仍在进行的动作。 B. 过去开始, 现在刚刚停止的动作。 C. 现在看到其直接结果的动作。 现在

7、完成时主要用于表示已经完成的动作及其与现在的关系。 Consolidation1. Hi, Tracy, you look tired. Im tired. I _ in the living room all day. A. painted B. had painted C. have been painting D. have painted2. There is so much snow these days, isnt there? Yes, it _ for a few days. A. was snowing B. has been snowing C. had been snow

8、ing D. snowed3. Although these scientists _ on the project for nearly four years, I dont know how long it will last. A. have been working B. had worked C. were working D. are working4. Now that she is out of job, Lucy _ going back to school, but she hasnt decided yet. A. had considered B. has been c

9、onsidering C. considered D. is going to consider5. The little boy is dirty from head to foot because he _ in the mud all morning. A. has played B. is playing C. has been playing D. was playing6. I _ my work by the time the teacher _ back. A. was finished., came B. shall have finished., comes C. had

10、finished., comes D. have finished., will come7. I _ to see the film last week because I _ it twice. A. didnt go. had seen B. dont go. have seen C. hadnt go. had seen D. didnt go. have seen8. Who do you guess _ where I _ just now? A. lie., lay B. is lying., lay C. lies., lain D. lied., laid9. Ill pho

11、ne you if she _ this evening. In fact she didnt tell me if she_. A. would come., will come B. will come., came C. comes., would come D. come., came10. I _ into the bus when I _ a girl call my name. A. had hardly got., hear B. had hardly got., heard C. was no sooner setting., heard D. did hardly get.

12、, had heardStep three当堂检测用现在完成时和完成进行填空:1. A: - I am sorry I _ (keep) you waiting so long. B: - It is all right. I _ (read) the newspapers.2. The CCTV _ (broadcast) English programmers ever since 1977.3. You _ (feel) better when you _ (take) the medicine.4. She said we _ (may keep) the book as long a

13、s we _ (like). 5. Please wake me up if I _ still _ (sleep) when you _ (come).6. My sister _ (learn) English since she _ (be) a child. She _ (speak) English fluently now.7. My uncle _ (come) to see us. He _ (arrive) here a few days ago. I _ (start) for Sydney tomorrow morning.8. He _ (break) his glas

14、ses when he _ (play) in a football match.下列各句均有一处错误，请指出并改正。1.The water has been run the whole night.2. Hello, Tom. I have looking for you all morning. Where have you been?3. His cool expression suggested that he want to leave.4. He tried to harm other people, only to ruining himself.5. If only I can speak several foreign languages!6. We can all leave together assumed that the others arent late.7. Paul is very tired. He had been working very hard all morning. Step four 反思质疑板书设计教学反思