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1、Unit 7 We need to make some preparations before wetravel.（第三课时教学设计）一、教材分析1 .教学内容本课时系教材英语基础教程（2）第七单元的第三课时，包才Language in use中Grammar focus 部分，具体内容为：时间状语从句（由 when、while、before after、since、as soon as till、until、once等）的用法。2 .教学重点、难点教学重点a.时间状语从句的基本概念；b.时间状语从句的引导词；c.时间状语从句的常见用法。教学难点能够理解并应用时间状语从句表达事件发生的时间。二
2、、教学目标1 .知识目标复习由that引导的宾语从句；充当宾语从句引导词的疑问代词和疑问副词；宾语从句的时态和语序；2 .能力目标能够正确使用时间状语从句的基本句式结构；能够正确理解并运用不同的引导词；能在口头及书面表达中灵活正确的运用各类时间状语从句的引导词，表达自己的观点。3 .情感目标运用时间状语从句表达自己的观点，树立英语学习的信心。三、教学步骤Step One Lead-in1 .Revision. Teacher presents a sentence to the students我知道约翰已经去了成都-I arrived in Shanghai yesterday.I arri
3、ved in Shanghai at 7 o clock.I liked singing songs when I was young.从刚才的例句当中可以看出，划线部分在句子中表示事件发生的时间，即时间状语，第三 个句子是用一个简单句来表示事件发生的时间，我们称为“时间状语从句”。2 .Present the temporal clause (adverbial clause of time ) on the book to the students:We need to make some preparations before we travel.As your boat drifts
4、out to sea, youll enjoy beautiful views as well as the excitement of sea fishing.When you come back, you can try some delicious Thai food in a local restaurant.Tell the waiter how spicy you like your food before you order.I was watching TV while my mother came back.He will not give up once he has ma
5、de up his mind.（设计意图：通过列举句子比较，让学生能对时间状语从句有一个基本的认识，了解时间状语从句的句式结构，并识别常见的引导时间状语从句的引导词。）Step Two Language in use时间状语从句1 .概念：用表示时间的连词引导一个从句作状语。2 .引导词：连接时间状语从句的弓 I 导词有：when、 while、 before after since、 as soon as till、 until once 等。3 .常见用法：1）由when、while as引导的时间状语从句When you come back, you can try some delic
6、ious Thai food in a local restaurant.当你回来的时候，可以在本地餐厅品尝一些美味的泰式食物。While my mother was cooking, I was doing my homework.妈妈做饭时，我在做作业。As your boat drifts out to sea, you ll enjoy beautiful views as well as the excitement of sea fishing.当船缓缓驶向大海，你可以欣赏美景，感受海钓的乐趣。辨析：由when引导的从句的谓语动词可以是延续性的动词，可以是瞬间动词。并且 when有
7、时表示“就在那时”。由while引导的从句的谓语动词的动作必须是延续性的，强调主句和从句的动作同时发生（或者相对应），while有时还可以表示对比。2）由before和after引导的时间状语从句We need to make some preparations before we travel.旅行前我们需要做一些准备工作。After he had finished the work, he went home.完成工作之后，他回家了。3）由since 引导的时间状语从句I have been in Beijing since you left home.自从你离开家以来，我就一直在北京了。
8、4）由as soon as引导的时间状语从句As soon as I arrive there, I will ring you up.我一到那里，就给你打电话。5）由till 或 until 引导的时间状语从句I didnt go to bed until / till my mother came back. 直到妈妈回来我才上床睡觉。I worked until my boss came back.我工作到老板回来为止。6）由once 引导的时间状语从句（暗含条件意味）Once you start, you will never give up.一旦你开始了，就永远不要放弃。（设计意图:
9、 通过比较练习，训练学生掌握和运用时间状语从句的用法，尤其是重点掌握不同的引导词之间的区别。）Step Three Practice1. Complete activity 12.2. Complete activity 13.3. Complete activity 14.4. 补充练习1. It was quiet those big trucks started coming through the town.A. beforeB. after C. until D. unless2. It seemed only seconds the boy finished washing his
10、 face.A. whenB. before C. afterD. even if3. Hardly had he reached the school gate the bell rang.A. whileB. whenC. asD. as soon as4. We were told that we should follow the main road we reached the central railway stationA. wheneverB. untilC. whileD. wherever5. I recognized you I saw you at the airpor
11、t.A. the momentB. whileC. afterD. once6. He was about to go to bed the doorbell rang.A. whileB. asC. beforeD. when7. I listen to your advice, I get into trouble.A. Every time B. When C. While D. Until8. John was watching TV , his wife was cooking.A. AsB. As soon as C. WhileD. Till9. The children ran
12、 away from the orchard（ 果园 ） they saw the guard.A. the moment B. after C. beforeD. as10. No sooner had I arrived home it began to rain.A. whenB. whileC. asD. than11. Several weeks had gone by I realized the painting was missing.A. asB. beforeC. sinceD. when12. Itlong before we the result of the expe
13、riment.A. will not be; will know B. is; will know C. will not be know D. is; know13. -What was the party like?-Wonderful.It s years I enjoyed myself so much.A. afterB. before C. when D. since14. The new secretary is supposed to report to the manager as soon as she.A. will arrive B. arrivesC. is goin
14、g to arriveD. is arriving15. got into the room the telephone rang.A. He hardly had; then B. Hardly had he; when C. He had not; then D. Not had he; when16. No sooner had he finished his talk he was surrounded by the workers.A. asB. thenC. thanD. when17. -Did you remember to give Mary the money you ow
15、ed her?-Yes, I gave it to her I saw her.A. whileB. the moment C. suddenlyD. once18. I thought her nice and honest I met her.A. first time B. for the first time C. the first timeD. by the first time19. He will have learned English for eight years by the time he from the university nextyear.A. will gr
16、aduateB. will have graduated C. graduatesD. is to graduate20. The moment the 28th Olympic Games open, the whole world cheered.A. declaredB. have been declared C. have declaredD. were declaredKEY: CBBBA DACAD BCDBB CBCCD（设计意图：通过练习，巩固时间状语从句的用法，并通过补充练习，达到熟练的程度, 为参加对口升学考试打下基础。）Step Four SummaryMake a sh
17、ort summary of what we ve learned today.时间状语从句的引导词及用法。Step Five HomeworkReview the adverbial clause of time.Complete the part “ multiple choice in the workbook.Write a passage 1-Day Tour in Beijing :四、板书设计Unit 7 We need to make some preparations before we travel.Language in use时间状语从句1 .概念：用表示时间的连词引导
18、一个从句作状语。2 .引导词：连接时间状语从句的引导词有：when、while、beforeafter、since、as soon as till、until、once 等。3.常见用法：1）由when、while、as引导的时间状语从句辨析：由when引导的从句的谓语动词可以是延续性的动词，可以是瞬间动词。并且 when有时表示 就在那时由while引导的从句的谓语动词的动作必须是延续性的，强调主句和从句的动作同时发生（或者相对应），while有时还可以表小对比。2）由before和after弓I导的时间状语从句3）由since引导的时间状语从句4）由as soon as引导的时间状语从句5）由till或until引导的时间状语从句6）由once引导的时间状语从句（暗含条件意味）