C3P3Language八下牛津英語.ppt

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1、Language,Chapter 3,1. Why is your friend sitting alone in the park? 為什么你的朋友一個(gè)人坐在公園里？ 2. Why didnt he eat fish when he was a child? 他小時(shí)候?yàn)槭裁床怀贼~？ 3. Why was the girl in red late for school? 這個(gè)穿紅衣服的女孩為什么上學(xué)遲到？,Have A L k,When we ask for reasons, we use why. Why should we plant more trees? Why is our

2、 atmosphere changing?,We often use because to answer why questions.,A: Why do we use a lot of chemicals? B: Because they are so useful.,A Wh-questions: why,1. 對(duì) “Why” 的問句我們常用 “because” 回答, 但有時(shí)也用不定式回答。 Why do we use CFCs a lot? Because they are so useful. Why did you go to France? To study Frenc

3、h.,Why and Because,2. Because 是連詞，所以后邊跟從句 because of 后邊加名詞或者動(dòng)名詞短語。 He didnt come to work late because he was ill. He didnt come to work late because of his illness.,Because my mother was ill, I stayed at home last Saturday. = Mother was ill, so I stayed at home last Saturday. 因?yàn)槲覌寢屔×?，所以我上星期六待在家?3.

4、 Why not do Why dont you do 意思是 “為什么不呢?” 一般用在疑問 句中，表示提建議。 今天下午去野餐怎么樣？ Why not have a picnic this afternoon?,4. Why dont / didnt you / we ... do sth? 是疑問的用法:為什么不? 為什么不回答這些問題？(疑問) Why dont you answer this question?,5. Why (關(guān)系副詞) 放在 the reason 后面引導(dǎo)從句: the reason why +從句 The reason why he was

5、 late was that he got up late. (經(jīng)?？墒∪ハ刃性~the reason 或why),1. because, since, now that, as 通常用于引 導(dǎo)原因狀語從句，由 for 引導(dǎo)的并列句 也可表示原因。 因?yàn)槲蚁矚g，我才干。 I do it because I like it. 既然大家都來了, 讓我們開始開會(huì)吧。 Since everybody is here, lets begin our meeting.,辨析: because, since, as, now that, for,,既然你身體不好, 你就不該熬夜。 As you are in

6、poor health, you should not stay up late. 現(xiàn)在既然大家都到了, 咱們就設(shè)法做個(gè)決 定吧。 Now that youre all here, lets try to reach a decision. 我請(qǐng)她留下來喝茶, 因?yàn)槲矣惺乱嬖V她。 I asked her to stay to have tea, for I had something to tell her.,2. a. because 語氣最重, 表示的是直接原因, 回答 why 時(shí)只能用它。 b. as, since, now that 一般不表示原因，而是從旁說明理由, (譯為:

7、由于，既然)。 c. for 被認(rèn)為是復(fù)合句的并列連詞 (常用 于推斷), 表示理由。,--Why do you like pandas? --_______ they are very cute. A. As B. Because C. For D. because of,Because 為從屬連詞, 表示直接 原因，回答由 why 引導(dǎo)的問句。,注意: because 和 so 不能連用。類似的有 though/although 和 but。,Although Jim is a five-year-old boy, ___ he speaks several langua

8、ges. A. but B. so C. because D. /,,Because he was ill, so he didnt come to school.,He didnt come to school because he was ill.=He was ill, so he didnt come to school.,,,A1 The following words are in the wrong order. Put them in the correct order to form a why question. 1. unhappy/you/are/so/these

9、days/why? ________________________________ 2. why/we/should/small animals/protect? _________________________________,Why are you so unhappy these days?,Why should we protect small animals?,3. for school/were/late/why/this morning/ you? _________________________________ _________ 4. couldnt/why/

10、his homework/on time/ he/finish? _________________________________________ 5. today/by taxi/she/did/ why/ go to school? __________________________________,Why were you late for school this morning?,Why couldnt he finish his homework on time?,Why did she go to school by taxi today?,A2 Work in pairs

11、. Millie(S1) asks Arthur (S2) questions about how to be clean and green. Arthur replies using words from the box.,Examples: S1 Why should we use baskets for shopping? S2 Because plastic bags cause pollution.,1 Why should we walk as much as possible? Because cars and buses pollute the air. 2 Why shou

12、ld we not throw away glass bottles? Because they can be used again and again.,3 Why should we use solar-powered calculators? Because batteries cause pollution. 4 Why should we have showers instead of baths? Because a shower uses less water than a bath.,5 Why should we save electricity? Because mak

13、ing it usually causes air pollution. 6 Why should we not pollute our planet? Because we only have one Earth.,Have A L k,1. The tree is as tall as the building 這棵樹和那棟樓一樣高。 2. Michael is as bright as George 邁克爾和喬治一樣聰明。 3. Peter knows as many songs as Jay. 彼得知道的歌和杰伊一樣多。 4. Alex earns as much mone

14、y as Susan. 亞歷克斯賺的錢和蘇珊一樣多。,Construction with comparisons,We use (not) asas to compare things that are similar (or not similar) in some way.,B Patterns expressing a comparison I. not as/so as,Example: Without the atmosphere, Earth would be as cold and lifeless as the surface of the moon. I can not s

15、peak English as well as you.,We can put an adj. or an adv. between “as” to compare things.,1. as形容詞/副詞原級(jí)as: 表示雙方 情況 “一樣” 。 My schoolbag is as heavy as yours. 我的書包和你的一樣重。 Arthur calculates as accurately as a calculator. 亞瑟計(jì)算的結(jié)果和計(jì)算器一樣準(zhǔn)確。,Comparing things,2. not so/as形容詞/副詞原級(jí)as: 表示雙方情況“不（那么）一樣”。

16、 It is not so/ as hot as yesterday. 今天不象昨天那樣熱。 I cant speak English so/as fast as a native speaker. 我說英語不能象當(dāng)?shù)厝艘粯涌臁?3. 幾個(gè)常用詞組 as much ( +n. ) as 和 一樣多，如 那么多 （修飾不可數(shù)名詞） Some of the stones even weigh as much as fifteen tons. 有些石塊甚至重達(dá)15噸。 2) as many ( + n. ) as盡可能多 （修飾可數(shù)名詞） You should remember a

17、s many English words as you can. 你應(yīng)該盡可能多地記住英語單詞。,3) as soon as盡快，一 就 Finish your homework as soon as possible. 盡快完成你的作業(yè)。 4) as fast as盡可能快 After school, he ran home as fast as he could. 放學(xué)后，他盡可能快地飛跑回家。,4. 一些習(xí)慣用法: 同級(jí)比較與比較級(jí)轉(zhuǎn)換 Tom is not as tall as John. 湯姆不如約翰高。 Tom is shorter than John. 湯姆

18、比約翰矮。 Tom is not as careful as Mary. 湯姆不如瑪麗認(rèn)真。 Tom is less careful than Mary. 瑪麗比湯姆認(rèn)真。,B1 Read this note. Then look at the table on the right and answer the questions.,Rubbish thrown away by Tonys neighbours in a year.,1 Which family throws away: a. as many tins as the Browns? b. as much glas

19、s as the Blacks? c. as much plastic as the Whites?,The Blacks throw away as many tins as the Browns.,The Browns throw away as much glass as the Blacks.,The Browns throw away as much plastic as the Browns.,2 Which family does not throw away: a. as much metal as the Whites? b. as many tins as the

20、 Browns? c. as much plastic as the Blacks?,The Green dont throw as much metal as the Whites.,The Greens dont throw as many tins as the Browns.,The Greens dont throw as much plastic as the Blacks.,B2 Complete these sentences about the families in B1. Use asas or not asas.,The Blacks _____________

21、___________ tins ___ the Whites. 2. The Whites ___________________ plastic ___ the Browns. 3. The Browns ___________________ metal ___ the Blacks.,do not throw away as many,throw away as much,throw away as much,as,as,as,4. The Greens ________________________ glass ____ the Whites.,as,do not thro

22、w away as much,Have A L k,1. The brothers are very like. 這幾個(gè)兄弟很相像。 2. This rubbish bin is the same as that one. 這個(gè)垃圾桶和那個(gè)一樣。 3. Were planning something different this year from what we did last year. 我們今年計(jì)劃做些與去年不同的事。,We can use like to say things are similar in one or more ways.,Examples: The at

23、mosphere acts like the glass in the greenhouse.,II. Like, the same as and different from,This rubbish bin is the same as that one.,Carbon dioxide is different from oxygen.,We can use the same as to say things are exactly like one another.,We can use different from to say things are not like or not

24、the same as one another.,,as+形/副+as ” 與一樣“ not as(so)+形/副+as “不如“ like “像”（介） the same as “和一樣” different from “與不同“,系 動(dòng) 詞,be, feel, look, seem, smell, sound, taste 等,要點(diǎn)小結(jié),1 (not) as as 表示在某一點(diǎn)上兩事物（不）相同 asas 之間必須用形容詞或副詞的原級(jí) Im not as tall as my brother. Eric studies as hard as his twin sister.,2 the s

25、ame as 用于說明某事物與另一個(gè)一樣 Im not the same height as my brother. We have lived in this same house for thirty years.,same前面必須有定冠詞the，后加單數(shù)名詞 different 正好相反，前面不用加the，后面用復(fù)數(shù)名詞 We study in the same school, but in different classes. There are different books on the same subject.,3 很多情況下, not as as, not the same

26、as 和 different from 之間可以 互換。 Im not as heavy as him. =Im not the same weight as him. =My weight is different from his.,Note: 但也可以說 a different 加單數(shù)名詞 This is a different girl from the one I saw just now. different from用于說某事物和另一個(gè)不一樣 The dog is different from the other.,1. Earth is _____________ the

27、 moon. 2. Leaf A is ___________Leaf B. 3. Oranges smell _____________ apples. 4. Alices dress looks ___________Anns. 5. Pepsi tastes ____ Coke. 6. Peters tie is ____Pauls.,B3 Complete these sentences with like, the same as or different from.,different from,the same as,different from,the same as,like

28、,like,Quiz,1. Is Williams lifestyle _________ Davids? (2009年 湖北孝感) A. the same B. same as C. same to D. the same as 2. Shark is getting old and cannot jump as _______ as he did. (2006年 浙江杭州) A. high B. higher C. highest D. much higher,實(shí)戰(zhàn)中考,3. Write _____ and try not to m

29、ake any mistakes. (2006年 河北) A. as careful as possible B. as carefully as you can C. most careful D. more careful 4. Oh, its you, Ella! Your voice sounds very different ___ the phone. Whats happening? (2007年 浙江杭州) A. from B. in C. of D. on,5. His MP3 is the same as _______, but it is more

30、 expensive. (2009年 山東淄博) A. him B. mine C. my D. her 6. What about traveling during the summer holiday? _________ It can relax us and open our eyes. (2008年 廣東佛山) A. Why not? B. What for? C. I think so.,1. What did you collect the stamps for? _____ did you collect the stamps? 2. Why do

31、nt you go home? _____ _____ go home? 3. English is important. Chinese is also important. Chinese is ___ __________ ___ English. 4. I will call you the moment I get to England. I will call you __ ____ __ I get to England.,Why,Why not,寫出下列句子的同義句，每空一詞。,as important as,as soon as,5. My book is not

32、the same as yours. My book is _________ ______ yours. 6. Planes fly faster than birds. Birds dont fly ___ _____ ____ planes. 7. Tim and Mike were not the same height. Tims height ___ ________ ____ Mikes. 8. My weight is the same as yours. Im ___ ______ ___ you. 9. Lucys idea is not the same as L

33、ilys. Lucys idea ___ ________ _____ Lilys.,is different from,different from,as fast as,was different from,as heavy as,1. 這兩兄弟看上去一樣. The two brothers ____ ___ ____. 2. 這件毛衣與那一件不同. This sweater is _______ _____ that one. 3. 那聽起來像個(gè)好主意. That ______ ___ a good idea. 4. The two hats are the same. This hat is ___ ____ __ that one. 5. Our classroom is as big as theirs. Our classrooms is ___ ____ ___ __ theirs.,look the same,different from,sounds like,the same as,the same size as,漢譯英,Thank you,