选修6grammar教案

1、选修6模块1 Period 2: grammar, reading and writing学习目标：知识与技能：复习情态动词完成式，掌握电子邮件写法过程与方法：复习巩固情感态度与价值观：熟练作题技巧，乐于动手，动脑重难点：NEED情态动词的应用和电子邮件的书写知识链接：情态动词用法学法指导：复习，动手学习过程：.didnt need to do表示： _neednt have done表示： _John went to the station with the car to meet Mary, so she didnt need to walk back home. 约翰开车去车站接玛丽，所

2、以她不必步行回家了。John went to the station with the car to meet Mary, so she neednt have walked back home. 约翰开车去车站接玛丽，所以她本不必步行回家了(Mary步行回家没有遇上John的车。)典型例题There was plenty of time. She _. A. mustnt have hurried B. couldnt have hurriedC. must not hurry D. neednt have hurried答案D。neednt have done. 意为本不必，即已经做了某事

3、，而时实际上不必要。Mustnt have done 用法不正确，对过去发生事情进行否定性推断应为couldnt have done, 不可能已经。. 情态动词 + have + done Something may have happened to her. 她可能发生了什么事情。 She might have had an accident. 她或许遭受了意外. So she must have taken that too. 因此，她肯定把它也带走了。1) 这三句话都用了“情态动词不定式的完成时”，表示对发生过的事作某种猜测、推测。(1) must have done 可用来对某件过去的

4、事情作_推测，表示“一定已经，想必已经”做过某事，用于肯定的陈述句中。否定句中用_。 She must have received the parcel, I sent it by registered post. 她一定已经收到包裹了，我是用挂号寄的。(2) may have done, might have done, could have done “_”，就语气而言 could have done 所表的可能性更小些。He may / might / could have left by nine. 他可能于九点前已离去。(3) should have done / ought to

5、have done 表示“_”但实际未做。I should / ought to have left London before nine but I didnt. 我本该在九点以前离开伦敦，但是我没有。(4) shouldnt have done / oughtnt to have done 表示“_”，但实际上又做了。He shouldnt / oughtnt to have left London before nine but he did. 他本不该在九点前离开伦敦，但是他离开了。 (5)cant / couldnt have done 表否定推测，“_”。 She cant / c

6、ouldnt have gone to bed, for the light in her room is still on. 她不可能上床睡觉了，因为她房间的灯还亮着。(6) could have done 可表示客观上“_”。 He could have finished the work in time but he didnt work hard. (7) I neednt have gone to the office yesterday (but I went there). 昨天我没必要去办公室（但我却去了）。(8) might have done 还可表示过去“本可能发生但实际

7、上没有发生的动作”。用于表示说话人对已发生事提出批评或意见。 He might have given more help, even though he was very busy. 即使他很忙，也可以多帮忙。.高考例析1. Sorry Im late. I _ have turned off the alarm clock and gone back to sleep again. A. might B. should C. can D. will 2. I was really anxious about you. You_ home without a word. （01 全国）A. m

8、ustnt leave B. shouldnt have left C. couldnt have left D. neednt leave3. Ill tell Mary about her new job tomorrow. You_ her last week. （04 福建）Aought to tell Bwould have told Cmust tell Dshould have told 4. Tom graduated from college at a very young age. Oh, he _ have been a very smart boy then. （04

9、全国IV） A. could B. should C. might D. must5. He _ have completed his work; otherwise, he wouldnt be enjoying himself by the seaside. A. should B. must C. wouldnt D. cant6. Do you know where David is? I couldnt find him anywhere. Well. He have gone farhis coats still here. （05湖北卷） Ashouldnt Bmustnt Cc

10、ant Dwouldnt7. The woman biologist stayed in Africa studying wild animals for 13 years before she returned. Oh, dear! She _ a lot of difficulties! (05 江苏卷) A. may go through B. might go through C. ought to have gone through D. must have gone through8. I have lost one of my gloves. I _ it somewhere.

11、（05 北京春季） A. must drop B. must have dropped C. must be dropping D. must have been dropped 9. Mr. White _ at 8:30 for the meeting, but he didnt show up. A. should have arrived B. should arrive C. should have had arrived D. should be arriving10. He paid for a seat, when he _ have entered free. （05 山东卷

12、） A. could B. would C. must D. need11. Tom is never late for work. Why is he absent today? Something _ to him. Amust happen Bshould have happened Ccould have happened Dmust have happened12. I _ have been more than six years old when the accident happened. （05 天津卷） A. shouldnt B. couldnt C. mustnt D.

13、 neednt13. This cake is very sweet. You _ a lot of sugar in it. （05 辽宁卷） Ashould put Bcould have put Cmight put Dmust have put12345678910111213V. reading and writing:To learn to read emails and write replies After you readCopy all the useful expressions into your Expression Book go to a reception_at

14、 the Chinese Embassy_good at small talk with_ say the wrong thing_be kind enough to answer thequestions_1. favor的用法n. _1）in favor (of )表示“_”，常用作表语或后置定语。 The students were in favor of reform. 学生赞成改革。2）do sb. a favor或do a favor for sb. 是个正式的礼貌用语，意思是“_”。 Would you do me a favor? 帮我一下好吗？ Do me a favor b

15、y turning off the radio. 帮我把收音机关掉。 Do me the favor to come. 务请光临。 注：do sb. a favor后接of doing 或不定式时，应将不定冠词a改为定冠词the。3）ask a favor of sb=ask sb a favor_2. certain用法归纳1）. certain&sure certain&sure都可用 be sure/certain to do _ sb. be sure/certain of/about sth. _ of doing sth. that. for sure/certain _make

16、sure/certain that/of _只用certain：_ 只用sure：_辨析：certain和some都有“某个”的意思。但用法不同。 certain的意思是：某个，某些。例如： Acertainpersoncalledonyouyesterday._ Certainthingsarenotopenlyspokenabout. _ some表示“某个”时，只能和可数名词的单数连用，不需要用冠词。即some=a certainTheressomemanatthedoor-goandseewhathewants. _ Somegirlcalledwhileyouwereout _Wri

17、ting a reply电子邮件格式正式格式Dear Sir， I am writing to you for the mobile phone of Dephone-S250 I bought on 20th Apr.2008 at Tele Mall in Wuhan，P.R.China . _ _ Thank you for your consideration. Sincerely yours， 非正式的格式称呼和正文之间，段落之间，正文和信尾客套话之间一般空一行，开头无须空格。如： Jimmy, I received your memo and will discuss it wit

18、h Eric on Wednesday. Best, DavidThe reply:Very nice to meet you again here. I am happy to learn that next week, youre going to a reception at the Chinese Embassy there in London. You say youre going to meet some senior high school students and their teachers. That is very interesting. The only problem is that some of the Chinese are not so good at English. Do be worried about saying the wrong