小学英语形容词的比较级和最高级-课件.

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1、,Lesson 1:,形容词、副词的比较级和最高级,Adj. adv.,用来修饰动词、形容词、其它副词、全句或名词词组及句子的词。e.g.,very, early, quickly, etc.,He runs fast . Today is very hot. Please read it loudly.,用以修饰名词,表示事物的特征的词。e.g. long,tall, short,cheap, hungry, etc.,一般来说,中文意思是“的”的词是形容词, 而中文意思是“地”的词是副词。,形容词比较级用于两者(人或事物)之间的比较,表示其中一个比另一个“更”或“较”,后面用连词than连

2、接另一个所比较的人或事物。例如:,1.That ruler is longer than this one. 2.Mary is younger than me(I).,“A + be +形容词比较级 + than + B” 意思为“A比B更”,比较级用法:, 在含有连词than的比较级中,前后的比较对象必须是同一范畴,即同类事物之间的比较 * 比较应在同类事物中进行. 在比较级前面使用much,表示程度程度“强得多”。 如:A watermelon is much bigger than an apple. very, quite一般只能修饰原级,不能修饰比较级。,比较级 注意,young-

3、yonger-yongest old older -oldest tall-taller -tallest small-smaller -smallest,early-earlier-earliest thirsty-thirstier-thirstiest,1. 一般情况下在形容词或副词后加-er(比较级) 或est(最高级) :,2. 以字母e结尾的形容词,加-r 或- st,4. 以“辅音字母y”结尾的形容词,先改“y”为“i”,再加-er 或-est.,bigbigger -biggest fatfatter-fattest,形容词比较级最高级规则,nice nicer-nicest

4、safe safer -safest,3. 重读闭音节词只有一个辅音字母时,应先双写辅音字母,再 加-er或-est.,一,5.部分双音节词或多音节词前面加more ,most.如:interesting more interesting most interesting famous more famous most famous,不规则变化,两好、两坏、两多、 一少、一远 、一老.,Read and compare :,young long full short small old fine easy hungry early heavy big red,younger youngest,

5、longer longest,fuller fullest,shorter shortest,smaller smallest,older oldest,finer finest,easier easiest,hungrier hungriest,earlier earliest,heavier heaviest,bigger biggest,redder reddest,healthy many famous exciting carefully wet hot little few,healthier healthiest,more most,more famous most famous

6、,more exciting most exciting,more carefully most carefully,wetter wettest,hotter hottest,less least,fewer fewest,taller harder larger wider,tallest hardest largest widest,bigger hotter fatter wetter,biggest hottest fattest wettest,happier drier earlier,happiest driest earliest,narrower cleverer,narr

7、owest cleverest,more difficult more popular more slowly,most difficult most popular most slowly,少数以-er,-ow结尾的双音节词可加-er或-est,规则变化,better,best,worse,worst,less,more,most,farther/further,older/elder,least,farthest/furthest,oldest/eldest,不规则变化,巧记: 特殊形式比较级 共有三对二合一 坏病两多并两好 little意思不是小 一分为二有两个 一是老来二是远,.其主要

8、句型有: (1)A+be+比较级+than+B e.g Mary is much younger than Sue. (2) (3)疑问句+动词+比较级,AorB? e.g Who draws better ,Tom or Jim? (4) 比较级+ and+比较级,表示越来越e.g the days are getting shorter and shorter.,二.形容词、副词比较等级的用法,A + 行为动词 + 副比 + than + 物体B. Dogs run faster than goats. He studies better than me,最高级概念:,形容词、副词的最高级

9、形式主要用来表示三者或 三者以上人或事物的比较,表示“最”的意思。 句子中有表示范围的词或短语。 如:of the three, in our class等等。 如:He is the tallest in our class. 他在我们班里是最高的。,最高级用法:,1)A + am / are / is + the + 形最高级 + 比较范围 (of + 人/物,in +地方). I am the tallest in the class. Pasta is the most delicious food of the three.,2)A + 行为动词 + 副词最高级 + 比较范围 (of

10、 + 人/物,in + 地方). Dogs run fastest in the world. He studies best of us.,Jim works hardest of us all.,My mother is the busiest in my family,e.g,4) 疑问词+ 动词+ 最高级 5) which like best, A, B or C?,最高级用法:,一、形容词比较等级的规则变化如下:,二、不规则形容词的比较级最高级,练 习,1. tall _ _ 2. nice _ _ 3. strong _ _ 4. old _ _ 5. big _ _ 6. thi

11、n _ _ 7. heavy _ _ 8. beautiful _ _ 9. good _ _,taller,stronger,older,tallest,stronges,oldest,bigger,biggest,thinner,thinnes,nicer,nicest,heavier,heaviest,more beautiful,most beautiful,better,best,形容词和副词的比较级和最高级构成: 规则变化 1单音节词在词尾加-er比较级, 加-est最高级。 原级 比较级 最高级 bright brighter brightest young younger yo

12、ungest long longer longest,2.以字母e 结尾的词只加-r或- st构成比较级和最高级。 nice nicer nicest fine finer finest white whiter whitest 3.重读闭音节以一个辅音字母结尾的,应先双写辅音字母,再加-er 或-est. big bigger biggest,4.以辅音字母加-y 结尾的词,先把-y变为 I, 再加-er -est. easy easier easiest 5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级,eg. slowly-more slowly-most

13、slowly; beautiful-more beautiful-most beautiful,不规则变化: 个别形容词的比较级和最高级是不规则变化,需个别记忆。e.g. good (well) better bestbad (badly, ill) worse worstmany (much) more mostlittle less leastfar father/further farthest/furthest,改错: 1.Im than you. 2.He is than me. 3.Youre in our school. 4.Who is , you or me ? 5.She

14、is in her family.,tall,youngger,shortest,fat,taller,younger,the shortest,fatter,the thinnest,thinest,选择填空 1. Which does Jimmy like ,Chinese or Art? A. well B. best C. better D. much 2. The Chang jiang River is one of in the world. the longest river B. longest rivers C. the longest rivers D. longer r

15、ivers 3. of the two women is Mrs Brown. A. The beautiful B. The more beautiful C.More beautiful D. The most beautiful 4. My mooncake is nicer his. A. like B. with C. for D. than 5. You are fatter than . A. he B. his C. him D. he is tall 6. My hair is longer than . A. my sister B. Kate C. my brothers D. Lucys,C,C,B,D,A,C,16.Mother is in my family.

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