1、Unit 5 First Aid 教案Grammar EllipsisI. Teaching objectiveGrasp the grammar :Ellipsis (the types ,the ways)II. Teaching focusMaster the rules of ellipsis III. Teaching difficultiesHow to make the students master the uses and the rules of the grammar.IV. Teaching procedures在英语中，为了避免重复而省去某些重复的部分，这种现象叫省略
2、。如：C1) Beg you pardon.C- （ I ）Beg you pardon. 2) Sounds like a good idea.- ( It ) Sounds like a good idea.一 简单句中的省略1、 省略主语 祈使句中主语通常省略 ( It ) doesnt matter.( It ) Sounds like a good idea.2、省略主谓或主谓语的一部分。如： （省略主语和谓语） C1) What/How (do you think) about a cup of tea ?C 2) Why (do you) not say hello to him
3、 ?3、 省略表语。C1) Are you thirsty? Yes, I am .(thirsty).C 2) His brother isnt lazy, nor is his sister .(lazy).4、同时省略几个成分 C1) Lets meet at the same place as- (we met) yesterday.同时省略主、谓语C 2) Have you finished your work ? Not yet. -I have not finished my homework yet.二 并列句中的省略1、两个并列句中，后一个分句常省略与前一分句中相同的部分。
4、My brother is a doctor and my sister-in-law (is) a lawyer.省略相同的谓语动词）When summer comes, the day is getting longer and longer, and the night (is getting) shorter and shorter. 省略相同的谓语动词三 复合句中的省略1、 主句中有一些成分被省略，如：(I am) Sorry to hear you are ill. ( Its a ) Pity that he missed such a good chance.2 主句中有一些成
5、分被省略、而用so或not来代替1) Are you leaving for Beijing this Sunday? I think so .(Im leaving for Beijing this Sunday.)2) Tom must be free today. If so, he can help us .(he is free.)3) It is going to rain, isnt it? I hope not. (it is not going to rain.)这种用法常见的有：How so? Why so? Is that so? I hope so. He said s
6、o.及I suppose/believe/hope not. Why not?等等。2.宾语从句中的省略宾语从句中常省略连词that，但当有两个并列的宾语从句时，第二个that则不能省略。 1) We all know (that) the earth runs around the sun.2) Mary said (that) she is from American and that she is 16 years old.3. 定语从句中的省略在定语从句中，that, which, who在从句中作宾语时可省略。1) I havent read the book (that/ whic
7、h) youre reading.2) The man (that/ who) your father just talked to is our English teacher, Mr. Smith.4. 状语从句中的省略在以when, while, once引导的时间状语从句及以if, unless引导的条件状语从句中和though, although引导的让步状语从句中，如果从句中的主语与主句中的主语 指同一对象，且从句中含有be动词时，从句中可省去“主语+be”部分。C1) When he was asked what he had done, John just kept silen
8、t.C When ( he was )asked what he had done, John just kept silent.C2) If he is free, Jack will go with us.C If (he is) free, Jack will go with us.C3) Unless he is invited, he wont come. C Unless ( he is) invited, he wont come. 4) While he is doing house work, my father often listens to music. C While
9、 ( he is) doing house work, my father often listens to music.四 不定式中的省略动词不定式中为了避免重复，省去与前面出现的相同部分，只保留to，但如果在省略的不定式结构中含有be，have, have been时，要保留这些词。 1)C Are you going there? Yes, Id like to .(go there).2)C He didnt give me the chance, though he had promised to . (give me the chance). C3) Are you an engi
10、neer? No, but I want to .(be) 4) He hasnt finished the task yet. Well, he ought to .(have)Attention !使役动词及感官动词后面作宾语补足语的不定式一定要省去to,但在被动语态中须将to复原C1) I noticed a man to enter the classroom when I passed by. - A man was noticed to enter the classroom. 这类使役动词及感官动词主要有: 一感feel, 二听listen to ,hear, 三让have ,m
11、ake ,let,四看notice ,see ,watch ,observe 五 虚拟条件句中的省略在以if引导的非真实条件句中若含有were, had, should时，常可以省略if而将were, had, should置于句首。1）If I were you, Id give the AIDS patient a hug.-Were I you, Id give the AIDS patient a hug.2）If I had a lot of money, Id aid the poor children.-Had I a lot of money, Id aid the poor
12、children.在含有表示“命令、要求、建议、许可”或“禁止”等意义的名词性从句中使用“should + 动词原形”表示虚拟语气的，should常可以省略。如：1) He suggest we (should ) set out right away. 2） His suggestion is that we （should ）set out right away. 3） The order that we should stay where we are is very serious and severe.4）Its very important that students should
13、 study hard at school.V. Drill1. Choose the best answers.1)-Tomorrow is a holiday. Why areyou doing your homework? -I am doing these exercises now so that I wont have _ on Sunday.A. it B. them C. for D. to2)-Shall I invite Ann to my birthdayparty tomorrow evening? -Yes. Itll be fine if you_. A. are
14、B. can C. invite D. do3)- Arent you the manager? - No, and I_ A.dont want to B. dont want to be C. dont want be D. dont want4)-Ill be away on a business trip. Would you mind looking after my cat? -Not at all_. A. Ive no time B. Id rather not C. Id like it D. Id be glad to5)- Wont you have another tr
15、y? - _. A. Yes, I will have B. Yes, I wont have C. Yes, I wont D. Yes, I will 7)-Do you think it will snow tomorrow? -_? A.I dont think B. No, I dont think C. I dont think so D. No, I dont so 8)-Have you fed the cat? -No, but_. A. Im B. I am C. Im just going D I am just gong toSuggested answers 1-5
16、DDBDD 7-8 CD 2. 下列各句均有一处错误，请指出并改正。（1）. Our hometown is no longer what it used to.(be)（2）When I in trouble, I always turn to her for help.(去掉第一个I 或I后加am)（3） Tom picked up a coin in the road and handed one to a policeman.(it)（4） No one can bear being laughed in public.(在laugh 后加at )（5） When comparing with the size of the whole earth, the biggest ocean doesnt seem big at all.(compared)VI HomeworkFinish all relevant exercises to the grammar in the textbook.