小学形容词的比较级和最高级

1、形容词的比较级和最高级一. 形容词的比较级和最高级的用法在英语中，在表示两者作比较时，形容词要用特别的形式，称为“比较级”,三者及三者以上作比较时用“最高级”，原来的形容词称为“原级”。e.g. You look taller tha n me .你比我高。You are heavier tha n me.你比我重。I am the stron gest in my class.我是我们班最强壮的。二. 形容词比较级和最高级句型结构1比较级句型：主语A+be动词+形容词比较级+ than + BA比B.e.g. He is older tha n me. 他比我年长。【拓展】比较级的其他表达方

2、式 ”the+形容词比较级+of the two+表示”是两者中较的”。e.g. He is the heavier of the two boysLook at the two boys. My brother is the taller of the two. ”比较级+and+比较级“表示越来越 %e.g. He is gett ing taller and taller.彳也越来越高。 ”the+比较级，the+比较级”表示”越越”。e.g. The more careful you are , the fewer mistakes youll make你越细心，就会越少犯错误。he

3、more we get together, the happier we will be.我们聚得越多，我们就越开心The harder you work , the better youll be.你越努力工作，你就会变得越好。辅助练习：1. Jim istha n all the others, (tall)2. Things are gett ingand . (bad)3. The higher you climb, theit will be. (cold)2. 最高级句型：主语+ be动词+the+形容词最高级+介词短语(介词短语：in my class) n the room ,

4、in the hall)e.g. He is the tallest in our class.5【拓展】最高级的其他形式 ”主语+be+ one of the+形容词最高级+复数名词+in/of短语“表示是中最之一e.g. Beijing is one of the largest cities in China. 序数词+最高级e.g. Hainan Island is the second largest island in China.辅助练习：1. The cha ngjia ng river is(long) river in China.2. The Yellow River (

5、Huang He) is (第二长)river in China3. A.形容词的比较级和最高级变化规则构成原级比较级最咼级talltallertallest单longIon gerIon gest一般词尾加-er, -estoldolderoldest节smallsmallersmallest和以字母e结尾的形容词或副nicen icernicest少词,直接加Tj-Stfinefinerfin est数largelargerlargest双以重读闭音节结尾的形容词bigbiggerbiggest或副词，如末尾只有一个辅音hothotterhottest节字母,双写该字母，再加fatfatt

6、erfattest单-er,-estthinthi nnerthi nn est词以“辅音字母+厂结尾的形heavyheavierheaviest容词或副词，把y变为i,再busybusierbusiest加-er,-estearlyearlierearliesteasyeasiereasiestB.部分双音节与多音节的词比较级在原级之前加more,最高级在原级之前加mostbeautifulmore beautiful-most beautifulinteresting more in terest ing一 most in teresti ngc.不规则变化的形容词:little / fe

7、w -less 一 least goodbetter - bestbad/ill worse一worstfar-farther/further一farthest/furthestmany/much - more - moste.g.比较一下下列句子，领悟原级、比较级、最高级的用法。Tom is tall他很高。Tom is as tall as Joh n.汤姆和吉姆一样高。Bob is taller than Joh n. 鲍勃比约翰高。Joh n is the tallest of the three.约翰是三个当中最高的一个。Joh n is the tallest in his cla

8、ss.约翰在他们班最高。【课外拓展】1 在比较等级中常用much, a lot, far, even等常修饰比较级,表程度。e.g 姚明比我高多了。Yao Mi ng is very taller tha n I.（误）Yao Mi ng is much taller tha n I.（正）2. 在比较等级的句型中，比较的双方必须是同类事物，否则会引起歧义。即人与人，物与物的比较。eg他的尺子比我的长。His ruler is Ion ger tha n me.（误）His ruler is Ion ger tha n mine.（正）3. 形容词最高级前一般有定冠词，但如果前边也有物主代词，

9、名词所有格等词来修饰 时，定冠词the 常被省略。e.g.加里是我最好的朋友。Gary is my the bestfrie nd.（误）Gary is my best frie nd（正）4. 形容词比较级前一般不加定冠词，但句中有“ of the two ”结构表示“两者中较的一个”时，定冠词the要加上。e.g 苏珊是这两个女孩子当中较胖的一个。Susa n is fatter of the two girls.（误）Susa n is the fatter of the two girls.（正）同步练习：一、选择题。1 She istha n11A. busier / usB. bu

10、sier / weC. more busy / us D. more busy / we2. Jane istha n Betty.A. I ess taller B. less tallest C. I ess tall D. not as tall3. Chi na iscountry in the world.A. the third largest B. the largest thirdC. the third large D. a third largest4. -Which isseas on in Beiji ng?-I thi nk ifs autu mn.A. goodB.

11、 betterC.bestD. the best5. Which is, the sun, the moon or the earth?Of course, the moon is.D.D. theD. theA. smallB. smallerC. smallestthe smallest6. The air in Beijing is getting muchnow than a few years ago.A. clea nB. clea nerC. clea nestclea nest7. Mobile phones are very popular now and they aret

12、ha n before.A.cheapB.cheaperC. cheapestcheapes8. I study English asas my brother.A. hardB. harderC. hardest D. the hardest9. Which is, a bicycle or a computer?A. expe nsive B. more expe nsive C. the most expe nsive D.expe nsiver10. The Yellow River is one ofrivers in Chi na.A. I ongB. I on ger C. th

13、e Ion gest D. Ion gest二、写出下列单词的比较级和最高级。1. nice _3. slow_5. happy7. much2. fat 4. dry6. wet_ 8. ill9. little 10. bad三. 根据句意，用所括号内所级形容词的正确形式填空。1. Mr. Smith isman in this office, (rich)2. Win ter isseas on of the years. (cold)4. It is much today tha n yesterday. (hot)5. She is a littletha n her classma

14、tes. (careful)6. Bob is ( young ) tha n Fred.but (tall) tha nFred.7. Almost all the stude nts faces are the same ,but Li Demi ng looks_ (fat) than before after the summer holidays.8. Which is(heavy), a duck or a chicke n?9. An orange ia a little(big) tha n an apple, but much(small) tha n a watermel

15、on.10. - How(tall) is Sally?-Shes 1.55 metres (tall). What about Xiaoli ng?-Shes only 1.40 metres (tai)1) She is much (short) than Sally.2) She is also the(short) girl in the class.四课堂总结：和学生一起，对本次课的主要内容作总结概括，并用红笔留痕。五课外作业布置:()1.Kenistha n Ann.A. tallB. tellerC. taller()2.Whoisthe?A oldestBolderC. old

16、()3.HowisKen?A manyBmuchC.heavy()4lm147tall.A. kilogramsB. cen timetersC. meters)5. The book isof the two.A. thinner B. the thi nner C. more thi nner()6. Which do you like, coffee, tea or milk?A. the worst B. worse C. the worse()7.Jim is 40 kg. Tom is 38 kg. Tom isthan Jim.A. tallerB. thinner C. hea

17、vier()8. Tom is 120 cm Jack is . Than him.A. tallB. tallerC. heavier()9. My sister is good at sports, She can jumptha n me.A. highest B. too high C. much higher一写出以下各形容词的 比较级和最高级：I. thi n 2. far3. early4. careful 5. exciti ng6. busy二根据句意，用所括号内所级形容词的正确形式填空：1 people came to the meeti ng tha n last tim

18、e. (ma ny)2 Which book is, this one or that one? (easy)3. My room is tha n yours. (small)4. Hai nan isfrom Beiji ng tha n Hunan. (far)5. Skat ing istha n swim ming. (excit ing)6. He is (bad) at learni ng maths.He is much (bad) atChin ese and he is the(bad) at En glish.7. Ann ie says Sally is the(kind) pers on in the world8. He is one of the(frien dly) people in the class, I thi nk.9. A dictio nary is much(expe nsive) tha n a story-book.10. Annie plays the pia no very(well).-Sue plays it(well) tha n Ann ie. And Sally plays it the_ (well).II. The Chan gjia ng River is the (long) ri