1、2012高一英语学案4：M2 Developing and Developed Countries（外研版必修3）English Learning Paper of Grade One : Module 2 Developing and Developed Countries P4 Period Four : GrammarDate of Lesson Preparation：Feb. 15th Date of teaching:Leader of Lesson Preparation : QuShaohuan Designer：YangYanyanLearning Objectives:Ma
2、ke the students learn to sum up grammatical rules by themselves.Important and Difficult Points:Make sure the students master the grammatical items.Knowledge Links:Teach students to remember the grammatical rules. Learning Guidance:Refer to the text book and cooperate with partners Learning Process:一
3、、but用作并列连词 作为并列连词,表转折，语气最强, but 可以连接两个并列的分句或者两个并列的成份,译为“但 是”,“可是”。能表示下列意义: 1、表示意义转折。例如: I was going to write, but I lost your address.2、表示对比或对照,通常与否定词连用。例如: He is not good at maths, but he is good at EnglishHe scarcely knows French, but he speaks English perfectly. 3、出现在句首或句与句之间,表示异议,惊奇或吃惊。如: A:I ha
4、ve won the long jump. B: But thats wonderful!But that question doesnt arise. 但没发生那个问题。4、用在表示歉意的词语之后,引起一个句子,常不能译为“但是”,可以不译出。如: Im sorry, but I cant come. Excuse me, but can you tell me the way to the library?【注意】不要按汉语意思将“虽然但是”直译为althoughbut but 不可与although/ though 连用。误：Although we are poor, but we ar
5、e happy. (去掉Although或but中任一个)巩固练习: ( A 级)1. Stand over there _ youll be able to see it better. A.or B. while C. but D. and2. I think George doesnt really care for TV plays. Right, _ he still watches the program. A. and B. but C. or D. so二however作为连词和副词的用法。作为连词时，其引导的从句可放在主句前，也可放在主句后，表示“不管”。However I
6、cooked eggs, she still refused to eat them.不管我用什么方法做鸡蛋，她仍不肯吃。However 用作副词时，表示转折，其意为“可是”“然而”等。可放在句首、句中或句末，但必须用逗号与主句隔开。如：My father, however, did not agree. 但是，我父亲不同意。 My room is small; however, its comfortable. 我的房间很小，但却很舒服。 He said that it was so; he was mistaken, however. 他说情况如此，可是他错了【注意】：however当副词
7、讲时，不能像 but 那样直接连接两个句子，注意正句中的标点符号。 如：我们都已尽了最大的努力，不过我们还是输了。误：We all tried our best, however we lost the game. 正：We all tried our best, but we lost the game. 正：We all tried our best; however, we lost the game. 正：We all tried our best. However, we lost the game.三连词while 的用法。While 可作从属连词，意思是“虽然”，此时可与alth
8、ough互换。例如: While I havent seen his, I have regarded his as my friend. 虽然我没有见过他，我一直把他当作我的朋友。While 可作并列连词，表然而，强调前后之间的对比，所引导的句子一般不位于句首。例如: He likes pop music, while I like classical music 他喜欢流行音乐，然而我喜欢古典音乐。四表示转折的从属连词有although, though, even if , even though, while, as, no matter (how,/what/ when)= howev
9、er/ whatever/wheneverAlthough she lacks experience, ( yet /still ) she is ready to do the job.He wont let out the secret even if /though he knows it.While we dont agree on the matter, we continue to be friends.Dont trust him, no matter what he says.As 表示虽然引导让步状语从句时，要把从句中的表语，状语甚至动词原形放到句首，当把名词放在as前时，名
10、词前不加冠词。另外，though引导的从句，即可用正常语序，也可同as一样，即把表语，状语甚至谓语动词等放到句首。Although 不可以倒装。Child as/though he is, he knows a lot.【拓展】: although意为“虽然，尽管”，较正式，通常放在句首，而though 多用于非正式文体中，两者均不能与but连用，但可与yet 或still连用。五表转折的副词however,与though的用法：however词性是副词时, 常放于句首，句中，句末。though 词性是副词时，通常放在句末,都用逗号与主句隔开。例如：She always goes swimmi
11、ng, however cold it is. /Id like to go with you, however my hands are full. He said he would come. He didnt come, though. / Ive a bit of cold. Its nothing much, though.I. 用however, but, while, although或though完成句子。( A 级) 1.I feel a bit tired._,I can hold on(坚持). 2.It is hot in summer here ,_it is not
12、 cold in winter . 3.Cotton is soft _ metal is hard. 4.She looks very young ,_ she is already 30 years old. 5.I like tea _ she likes coffee. 6.He always goes swimming，_cold it is. 7.He said he would come; he didnt,_.II. 选择括号中的词来连接句子. ( B 级)1.The son was having a good meal at home,_the parents were wo
13、rking in the fields.(while/but) 2. _there are some similarities between the two cities, there are a lot of differences, too. ( Although/However)3. _we dont agree, we continue to be friends. (While/But)4. The boy had said he wouldnt do it again, _he broke his promise. (however/but)5. Although he live
14、s alone,_he is very happy. (yet/but)6. She works very hard, _ , she makes very slow progress. (however/but)7. _the learning is slow and painful, the result is wonderful. (Even though/While)达标训练( B 级)1.-I dont like chicken _ fish. -I dont like chicken, _ I like fish very much.A. and； and B. and； butC
15、. or； butD. or；and2.- Would you like to come to dinner tonight?- Id like to, _ Im too busy.A. and B. so C. as D. but3. _ the day went on, the weather got worse.A. With B. Since C. While D. As 4. _she is young, she knows quite a lot.A. When B. However C. Although D. Unless5. You will be late _ you le
16、ave immediately.A. unless B. until C. if D. or6. Would you like a cup of coffee_ shall we get down to business right away?A. and B. then C. or D. otherwise7. She thought I was talking about her daughter, _, in fact, I was talking about my daughter.A. whom B. where C. which D. while8. The girl had ha
17、rdly rung the bell_ the door was opened suddenly, and her friend rushed out to greet her.A. before B. until C. as D. since 9._ our manage objects to Toms joining the club, we shall accept him as a member. A. Until B. Unless C. If D. After 10. The engineers are so busy that they have zero time for ou
18、tdoor sports activities, _they have the interest. A. wherever B. whenever C. even if D. as if 11. Just use this room for the time being, and well offer you a larger one _it becomes available. A. as soon as B. unless C. as far as D. until 12 Our holiday cost a lot of money. Did it? Well, that doesnt
19、matter_ you enjoyed yourselves. A as long as B unless C as soon as D though 13. Mary made coffee _ her guests were finishing their meal . A. so that B. although C. while D. as if 14.The little boy wont go to sleep _ his mother tells him a story. A. or B. unless C. but D. whether 15.The old man asked
20、 Lucy to move to another chair _ he wanted to sit next to his wife. Aalthough Bunless Cbecause Dif 16.Its no use having ideas only . Dont worry. Peter can show you _to turn an idea into an act. A. how B. who C. what D. where 17. _ they decide which college to go to, students should research the admi
21、ssion procedures. A. As B. While C. Until D. Once 18. You have failed two tests. Youd better start working harder, _ you wont pass the course. A. and B. so C. but D. or 19. They wanted to charge $5, 000 for the car, _ we managed to bring the price down. A. but B. so C. when D. since 20. Somebody wants you on the telephone. _ no one knows Im here. A. For B. And C. But D. So 21. Between the two generations, it is often not their age, _ their education that causes misunderstanding. A. like B. as C. or D. but 课后反思:答案：1-5CDDCA6-10CDABC11-15AACBC16-21ADDACD