8下 unit 4 Grammar focus.ppt

1、Unit 4,Grammar focus,Revision,Review the sentences.,1. - You look tired. Whats the matter? - I studied until midnight last night so I didnt get enough sleep. 2. - What should I do? - Why dont you forget about it? Although shes wrong, its not a big deal.,3. - What should he do? - He should talk to hi

2、s friend so that he can say hes sorry. 4. Maybe you could go to his house. - I guess I could, but I dont want to surprise him.,Using why dont you ?,Why dont you+動詞原形+其他成分？ = Why not + 動詞原形+其他成分？ 表示提建議。 Why dont you go shopping? 你為什么不去購物呢？ Why dont you join us? 為什么不加入我們呢？,提建議的表達方法,在英語中，我們可以用多種表達方式提出我

3、們的建議或征求對方的意見。大多語氣比較委婉，顯得客氣而有禮貌。,A主語是第一人稱 I 或 we，可以用“Shall I ?”或“Shall we ?”引起疑問句以表示建議并征求對方意見。如： 今天下午我們游泳好嗎？ Shall we go swimming this afternoon? 我明天下午來見你可以嗎？ Shall I come and meet you tomorrow afternoon?,B可以用“Lets do ”來提出建議，let后面的賓語如果是代詞，應用賓格，后面接不定式省略“to”。如： Lets go for a walk after supper, shall we

4、? 我們晚飯后去散散步吧，好嗎？ Lets make it a little earlier, OK? 我們就早一點吧，好嗎？,C. 可以用“What about / How about ?”來提出建議，about后可接名詞或動詞+v. ing形式。如： What about / How about a drink? 喝一杯怎樣？ What about writing back to him about it? 要不就這件事給他回一封信怎樣？,D. 可以用“Why not ?”來提出建議，表示“何不？”，not后面接動詞原形。 Why not ?實際是Why dont we / you ?的簡

5、略形式。如： Why not meet at the school gate at eight? 何不在八點的時候在校門口集合？ Why dont we stay here another day? 我們?yōu)槭裁床辉谶@兒再待一天呢？,E. 可以用Would you like ?來提出建議，意思是“你想要嗎?”， would like后可接名詞或不定式。如： Would you like a cup of coffee? 你想來杯咖啡嗎？ Would you like to play with me? 你愿意和我一起玩嗎？,如果我們要說“去散散步，好嗎？”，英語有幾種表達方式?,Lets go f

6、or a walk, shall we? What about going for a walk? How about going for a walk? Why not go for a walk? Would you like to go for a walk? What do you think of going for a walk?,Using although / though,although的意思是“盡管，雖然”，用來引導讓步狀語從句，在一般情況下可以和though互換，但though比較口語化，而although較為正式，另外although的語氣比though重。當alth

7、ough / though引導的從句放在句首時，主從句之間要用逗號隔開。,Although I gave him some advice, he didnt take them. 雖然我給了他一些建議，但他沒有采納。,Although its raining, they are still working in the field. 雖然在下雨，但他們仍在地里干活。 Though he tried hard, he was not successful. 雖然他盡力而為，但他沒有成功。 Although / Though he was tired, he kept on working. 雖然

8、他已經累了，但仍然繼續(xù)工作。,注意：although和though都不能和but在一個句子里連用。,( )1. _ she is young, she knows quite a lot. A. When B. However C. Although D. Unless ( )2. He went out without an overcoat _ it was so cold. A. although B. so C. if D. for,Practice,C,A,Using so that,so that 用來引導目的狀語從句, 意思為“以便, 為了”， 從句中常用can (could),

9、 will (would), may (might)等情態(tài)動詞。so . that .用來引導結果狀語從句。如:,He got up early this morning so that he could catch the early bus. 今天早上他早起，以便能趕上早班車。 He got up so early this morning that he caught the early bus. 今天早上他起得非常早，這樣就趕上了早班車。,Mr. Green speaks very loudly _ all the people can hear him clearly. A. whe

10、n B. so that C. because,【解析】詞義辨析。when 當的時候；so that為了，目的是；because因為；本句中，so that 引導的是目的狀語從句。,B,Practice,翻譯下面的句子。 1. 他跑得很快，我們跟不上他。 _ 2. 我們把燈打開，以便看看它是什么。 _,He ran so quickly that we couldnt catch up with him.,We turned on the light so that we might see what it was.,until可用作時間連詞, 用來談論事情發(fā)生的時間。until表示直到為止。

11、用來引導時間狀語從句, 在句中可以放在主句之前或之后。,Using until,Keep straight onuntilyou get to the church. 一直朝前走就走到教堂了。 The hot weather lasteduntilSeptember. 炎熱的天氣持續(xù)到九月。 I didnt wake upuntilI heard the alarm clock. 直到聽到鬧鐘的鈴聲我才醒來。,A. 在引導時間狀語從句時，適合“主將從現”原則， 即主句如用一般將來時， 從句一般用一般現在時。同步推之，如果主句用過去將來時，從句一般用一般過去時。,注意,B. until除了可用作

12、連詞，還可用作介詞，其后可接名詞、代詞或動名詞。如: We did not notice this matter until yesterday. 直到昨天我們才注意到這件事。 C. till 與until為同義詞， 都可表示“直到為止”， 但如果要表示“直到才”， 一般用not . until結構， 且till引導的時間狀語從句通常只能放在主句之后。,Translate the following sentences.,1. 直到親眼所見，她才相信它。 2. 直到他哭了，他才放棄和她吵。 3. 直到他寫完一篇800字的文章，他才停下來休息。,She wont believe it until

13、 she sees it with her own eyes.,He didnt give up quarrelling with her until she cried.,He didnt stop to have a rest until he finished writing an 800-word article.,4. 我們一直走到河邊為止。 5. 他到十歲才會游泳。,We walked until we got to the riverside.,He couldnt swim until he was ten.,1. (2011本溪) 28. 他昨天晚上熬夜到十一點半。 He _

14、 11:30 last night. 2. 昨天直到雨停了孩子們才離開學校。 The children _ leave school _ the rain stopped yesterday. 3. 等他回來，我再離開。 I _ leave _ he comes back.,stayed up until / didnt go to bed until,didnt,until,wont,until,4. Its too late. I have to go now. Oh, its raining outside. Dont leave _ it stops. (2013湖南長沙) A. si

15、nce B. until C. While 5. Hey, man. You cant cross the street now. You have to wait _ the traffic turn green. Oh, sorry and thank you. (2013浙江麗水) A. when B. after C. until D. while,B,C,Fill in the blanks with although, so that or until.,4a,1. A: Whats wrong? B: My sister borrows my clothes without as

16、king. What should I do? A: Well, you could tell her that this makes you angry _ shell ask you next time.,so that,2. A: I dont have any friends at my new school. What should I do? B: _ you dont have any now, you will soon make some. 3. A: Im worried about my school grades. Whats your advice? B: You s

17、houldnt wait _ the last minute to study for a test.,Although,until,4. A: Mike is my best friend, but he always copies my homework. What should I do? B: _ hes your best friend, you should still tell him that copying others homework is wrong.,Although,Write one piece of advice for each problem. Then c

18、ompare your advice with your partners and decide whether the advice is good or bad.,4b,1. Im very shy. Advice: _ _ 2. My sister and I fight all the time. Advice: _ _ _,Why dont you join a club at school and make more friends?,You could try to do more fun things with her so that you will like each ot

19、her better and not fight so often.,3. My sister spends all evening on the phone. Advice: _ _ _ _ _,Maybe you could encourage her to do other things, such as go to a movie with you. If you need to use the phone, maybe you could tell her nicely and say that you need to use the phone for a short while.

20、,4. My cousin borrows my things without returning them. Advice: _ _ _ _,Maybe you should tell him nicely how you feel about it and ask him if you could have your things back when he doesnt need them anymore.,5. My parents wont let me have a pet. Advice: _ _,Perhaps they dont think you will look afte

21、r the pet yourself. Why dont you try convincing them that you will be responsible and take care of the pet yourself?,4c,Choose one of the problems and ask your classmates for advice. Decide which classmate has the best advice.,You left your homework at home. Your best friend is more popular than you

22、. You are afraid of speaking in front of people. Your best friend does not trust you any more. Your parents always argue.,鏈接中考,( )1. _ scientists have done a lot of research on A (HIN1) flu, there are still some cases for further study. (2009南京) A. As B. Once C. If D. Although,【解析】此題考查了連詞的用法。通過句意, 我

23、們了解到“科學家已做了關于甲流的大量研究”是后面主句“仍有一些病例需要進一步研究”的引出條件, 表示條件退讓一步。我們應選用引導讓步狀語從句的連詞although，故選D。,D,( )2. _ they are very tired, they feel happy because theyve finally finished their project. (2011廣州) A. So B. Although C. If D. But,【解析】考查連詞。分析句意可知，他們雖然很累，但很快樂，前半句是讓步狀語從句，用although。,B,( )3. You bought the car ab

24、out ten years ago? Yes. _ its old, it still runs well. (2011湖北黃岡) A. Because B. Since C. Although D. But,【解析】考查連詞辨析。because“因為”；since“既然；自從”；although“盡管”；but “但是”。根據句意 “盡管它很舊，但是它仍然跑得很好?！睘檗D折意思，故選C。,C,( )4. They will try their best in the Dragon Boat Racing _ they may fail. (2011南京) A. if B. although

25、C. unless D. until,【解析】考查句子的邏輯關系和連詞的用法。分析句子的邏輯關系，前后兩個句子的關系，后半句是讓步狀語從句。if引導條件狀語，although引導讓步狀語從句，unless從屬連詞，until引導時間狀語從句，含有否定意義。,B,( )5. _ they have some opposite views, they all think Chinese medicine is helpful. (2011山西) A. Until B. Although C. Since,【解析】連詞的用法。until“直到為止”，引導時間狀語從句；although“雖然，盡管”引

26、導讓步狀語從句；since“自從以來”，引導時間狀語從句。根據上下文可知選B。,B,6. Youd better take the map with you _ you wont get lost. (2011安徽) A. as long as B. as soon as C. now that D. so that,【解析】考查連詞詞組。as long as 和一樣長；as soon as 一就；so that 以致于；以便于。本句中，so that 引導目的狀語從句。 結合句意：你最好隨身帶著地圖，以便不迷路。,D,7. They develop their skills _ they c

27、an do things better and better. (2011山東德州) A. howeverB. because C. sinceD. so that,【解析】考查狀語從句。句意：他們拓展技能是為了他們能夠把事情做的越來越好。后面的從句表示目的，只有D符合題意。,D,8. _ he is only 12, he often goes to the old peoples home to perform plays for the old people as a volunteer. （2012湖北十堰） A. If B. Since C. Though D. Because 9. _ the girl is only nine, she takes care of her brother and cooks meals every day.（2012江西） A. If B. Because C. Although D. As,C,C,10. I really enjoyed your speech, _ there were some parts