1、形容詞的比較級和最高級一. 形容詞的比較級和最高級的用法在英語中，在表示兩者作比較時，形容詞要用特別的形式，稱為“比較 級”，三者及三者以上作比較時用“最高級”，原來的形容詞稱為“原級”。e. g. You look taller than me .你比我高。You are heavier than me.你比我重。I am the strongest in my class.我是我們班最強壯的。二.形容詞比較級和最高級句型結(jié)構(gòu)1 .比較級句型：主語A+ be動詞+形容詞比較級+ than + B A比Be. g. He is older than me.他比我年長。【拓展】比較級的其他表達方

2、式"the+形容詞比較級+of the two+表示”.是兩者中較的。e. g. He is the heavier of the two boys.Look at the two boys. My brother is the taller of the two.“比較級+and+比較級"表示越來越e. g. He is getting taller and taller.他越來越高?！皌he+比較級，the+比較級表示越越e. g. The more careful you are, the fewer mistakes you'11 make你越細心，就會越少

3、犯錯誤。he more we get together, the happier we will be.我們聚得越多，我們就越開心The harder you work , the better you'll be.你越努力工作，你就會變得越好。 輔助練習(xí)：1. Jim is than all the others, (tall)2. Things are getting and . (bad)3. The higher you climb, the it will be. (cold)2.最高級句型：主語+ be動詞+ the +形容詞最高級+介詞短語 (介詞短語：in my cla

4、ss , in the room , in the hall )e. g. He is the tallest in our class.【拓展】最高級的其他形式“主語+be+ one of the+形容詞最高級+復(fù)數(shù)名詞+in/of短語"表示”是中最之一e. g.比較一下下列句子，領(lǐng)悟原級、比較級、最高級的用法。Tom is tall.他很高。Tom is as tall as John.湯姆和吉姆一樣高。Bob is taller than John.鮑勃比約翰高。John is the tallest of the three.約翰是三個當(dāng)中最高的一個。John is the

5、tallest in his class.約翰在他們班最高?！菊n外拓展】1 .在比較等級中常用much, a lot, far, even等常修飾比較級，表程度。e. g.姚明比我高多了。Yao Ming is very taller than I. （誤）Yao Ming is much taller than I.（正）2 .在比較等級的句型中，比較的雙方必須是同類事物，否則會引起歧義。即人與人， 物與物的比較。e.g.他的尺子比我的長。His ruler is longer than me.（誤）His ruler is longer than mine. （正）3 .形容詞最高級前一般

6、有定冠詞，但如果前邊也有物主代詞，名詞所有格等詞來修飾 時，定冠詞the常被省略。e. g.加里是我最好的朋友。Gary is my the best friend. （誤）Gary is my best friend. （正）4.形容詞比較級前一般不加定冠詞，但句中有“of the two”結(jié)構(gòu)表示“兩者中較的一個” 時，定冠詞the要加上。e. g.蘇珊是這兩個女孩子當(dāng)中較胖的一個。Susan is fatter of the two girls. （誤）Susan is the fatter of the two girls. （正）同步練習(xí)：一、選擇題。1. She is than .

7、A. busier / usB. busier / weC. more busy / usD. more busy / we2. Jane is than Betty.A. less taller B. less tallest C. less tall D. not as tall3. China is country in the world.A. the third largest B. the largest thirdC. the third large D. a third largest4. -Which is season in Beijing? T think it'

8、s autumn.A. goodB. betterC.bestD. the best5. 一 Which is , the sun, the moon or the earth?Of course, the moon is.A. smallB. smallerC. smallestD.the smallest6. The air in Beijing is getting much now than a few years ago.A. cleanB. cleanerC. cleanestD. the cleanest7. Mobile phones are very popular now

9、and they are than before.A. cheapB. cheaperC. cheapestD. the cheapes8. I study English as as my brother.A. hard B. harderC. hardest D. the hardest9. Which is , a bicycle or a computer?A. expensive B. more expensive C. the most expensive D. expensiver 10. The Yellow River is one of rivers in China.A.

10、 longB. longer C. the longest D. longest二、寫出下列單詞的比較級和最高級。1.nice 2.fat 3.slow 4.dry 5.happy 6.wet 7. much 8. ill 9. little 10. bad 三.根據(jù)句意，用所括號內(nèi)所級形容詞的正確形式填空。1. Mr. Smith is man in this office, (rich)2. Winter is season of the years, (cold)4. It is much today than yesterday, (hot)5. She is a little tha

11、n her classmates, (careful)6. Bob is ( young ) than Fred, but (tall) than Fred.7. Almost all the students' faces are the same , but Li Deming looks _ (fat) than before after the summer holidays.8. Which is(heavy), a duck or a chicken?9. An orange ia a little(big) than an apple, but much(small) t

12、han a watermelon.10.How(tall) is Sally?She' s 1. 55 metres(tall). What about Xiaoling?-She' s only 1. 40 metres(tai)1) She is much(short) than Sally.2) She is also the(short) girl in the class.四、課堂總結(jié):和學(xué)生一起，對本次課的主要內(nèi)容作總結(jié)概括，并用紅筆留痕。五.課外作業(yè)布置:)1. Kenisthan Ann.A. tallB. tellerC. taller)2. Whois th

13、eA. oldestB. olderC. oldKen?)3. HowC. heavyA. manyB. much147tall.A. kilogramsB. centimetersC. meters)5. The book isof the two.C. more thinnerA. thinner B. the thinner)6. Which do you likecoffee, tea or milk?A. the worst B. worseC. the worsethan Jim.)7. Jim is 40 kg. Tom is 38 kg. Tom isA. tallerB. t

14、hinner C. heavier)8.Tom is 120 cm. Jack is Than him.A. tallB. tallerC. heavierthan me.)9. My sister is good at sports, She can jumpA. highest B. too highC. much higher寫出以下各形容詞的比較級和最高級：1. thin 2. far 3. early 4. careful5. exciting 6. busy 二.根據(jù)句意，用所括號內(nèi)所級形容詞的正確形式填空：1. people came to the meeting than la

15、st time, (many)2. Which book is , this one or that one? (easy)3. My room is than yours, (small)4. Hainan is from Beijing than Hunan, (far)5. Skating is than swimming, (exciting)6. He is (bad) at learning maths. He is much (bad) at Chinese and he is the (bad) at English.7. Annie says Sally is the (ki

16、nd) person in the world.8. He is one of the(friendly) people in the class, I think.9. A dictionary is much (expensive) than a story-book.10. 一一 Annie plays the piano very (well).- Sue plays it (well) than Annie. And Sally plays it the (well).11. The Changjiang River is the (long) river in China.12.

17、Sue is a little (beautiful) than her sister.13. Saturday is my (busy) day in a week.14. Her mother is getting (fat) and (fat).15. I think it' s too expensive. I' d like a (cheap) one.16. He comes to school much (early) than I.17. Your classroom is (wide) and (bright) than ours.18. Practise as (much) as you can.19. The (much), the (good).20. Most of t