形容词和副词比较级.ppt
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1、形容词(adj.)和副词 (adv.)的原级,比较级,最高级的用法,形容词:用于修饰名词或代词,描述被修 饰成分的性质、特征、状态或属性等。 Eg. This is a good book. (修饰名词book) She is beautiful.(修饰代词she),副词:主要用于修饰动词、形容词和副词,整个句子,描述被修饰成分的特征或状态。 Eg.Jim plays basketball well.(修饰动词play) She is very beautiful.(修饰形容词beautiful) Jim plays basketball very well.(修饰副词well),Exerci
2、ses : 1.We should have a _ diet . (health) 2.We shouldnt eat _ food. ( health ) 3. I would like to have _ rice dumplings . ( salt ) 4. Though my grandpa is over 80, he still lives _. ( health ) 5. The teacher made a _ to us just now . ( suggest ) 6. Tom looks _ in that blue overcoat . ( fun ),health
3、y,unhealthy,salty,healthily,suggestion,funny,7. I like _ fish ( steam ) because it tastes _. ( taste ) 8. You can buy ice-cream in the _ food section . ( freeze ) 9. People usually wear heavy coats in _ weather . ( freeze ) 10. Dont talk _ in class . ( loud ),steamed,tasty,frozen,freezing,loudly,形容词
4、和副词的比较等级 (假设A和B为进行比较的人或事物),1、原级:使用形容词或副词原形,表示A与B一 样(或不一样)as+形容词、副词的原级+ as ; not as/so形容词、副词的原级as ; not as - as,2、比较级:使用形容词或副词比较级形式,表 示A与B二者相比哪一个更。用than连接。,3、最高级:使用形容词或副词最高级形式,表 示三者(或三者以上)相比哪一个最。 in +地点范围;of+与主语一致的范围,形容词或副词比较级和最高级的构成 1)规则变化 单音节词和少数双音节词词尾加er/est变为比较级/最高级。(加er/est方法与动词变过去式加ed方法相同)。 Eg.
5、 tall taller/tallest nice nicer/nicest big bigger/biggest easy easier/easiest clever cleverer/cleverest (clever双音节) 多音节词和一些双音节词在该词前加more/ most变为比较级/最高级。以ly结尾的副词除early以及不规则变化外,也应加more/most。 Eg. interesting more/most interesting careful more/most careful slowly more/most slowly,1.一般在词尾后加 er 或est. tall
6、-taller-tallest ; long-longer-longest young-younger-youngest ; soon-sooner-soonest clever-cleverer-cleverest ; fast-faster-fastest cold-colder-coldest ; near-nearer-nearest bright-brighter-brightest ; short-shorter-shortest new-newer-newest ; high-higher-highest low-lower-lowest ; slow-slower-slowes
7、t,形容词或副词比较级和最高级的构成,2. 以不发音 的元音“e”结尾的形容词, 加r或st. close-closer-closest ; strange-stranger-strangest fine-finer-finest ; large-larger-largest wide-wider-widest ; white-whiter-whitest nice-nicer-nicest ; late-later-latest,3.以辅音字母加“y”结尾的形容词,先把“y”变为“i”,再加er或est. angry-angrier-angriest ; busy-busier-busies
8、t cloudy-cloudier-cloudiest ; dirty-dirtier-dirtiest early-earlier-earliest ; easy-easier-easiest happy-happier-happiest ; heavy-heavier-heaviest,. 以重读闭音节结尾的形容词,如末尾只有一个辅音字母,应 先双写这一个辅音字母,再加er或est. big-bigger-biggest ; thin-thinner-thinnest fat-fatter-fattest ; wet-wetter-wettest hot-hotter-hottest ;
9、red-redder-reddest 多音节形容词和 副词的比较级和最高级构成:加more / most : difficult - more difficult - most difficult modern - more modern - most modern interesting - more interesting - most interesting,形容词或副词比较级和最高级的构成 2)不规则变化: good/well better, best bad/badly/ill worse, worst many/much more, most little less, least
10、* old older, oldest 年长的;老的;旧的 elder, eldest(亲戚关系中)年长的 * far farther, farthest 远的 further, furthest 远的(有更加、进一步 的含义) 补充说明: few fewer, fewest friendly friendlier, friendliest (adj.) more/most friendly often more often, most often,Exercises: 请将下列词变成比较级和最高级,bright - long - late - wide - angry - popular -
11、 quickly - good - bad -,brighter, brightest,longer, longest,later, latest,wider, widest,angrier, angriest,more/most popular,more/most quickly,better, best,worse, worst,形容词或副词各比较等级的基本用法,1、原级:使用形容词或副词原形,表示 A与B一样(或不一样)。 主要用于A as as B (肯定句)A as/soas B(否定句) 结构。 Eg. 1) Jim is 160 cm tall . Mike is 160 cm
12、tall . Jim is as tall as Mike. Jim is not so tall as Mike. 2) This road is 5 metres wide . That road is 5 metres wide . This road is as wide /narrow as that one . This road is not as wide/narrow as that one .,2) Jim works hard . Mike works hard , too. Jim works as hard as Mike. Jim doesnt work so ha
13、rd as Mike. 3) Mike does his work carefully . Tom does his work carefully, too. Mike does his work as carefully as Tom. Mike doesnt do his work as /so carefully as Tom. 4)Father goes to work early. Mother goes to work early , too. Father goes to work as early as mother. Father doesnt go to work as/s
14、o early as mother.,Exercise : 1. Mary is 5 years old . Jane is 5 years old , too. 2. These boxes are 20 kilos heavy. Those boxes are 20 kilos heavy , too . 3. This film is interesting . That film is interesting , too.,Mary is as old / young as Jane .,These boxes are as heavy / light as those ones .,
15、This film is as interesting as that one .,4. Toms grandfather is healthy. Tims grandfather is healthy ,too. 5. John runs fast . Mike runs fast , too . 6. John jumps high . Mike jumps high , too. 7. My father goes to work early . Toms father goes to work early , too,Toms grandfather is as healthy as
16、Tims grandfather .,John runs as fast as Mike .,John jumps as high as Mike .,My father goes to work as early as Toms father .,同义变化: 1. Tim is as old / young as Mike . 2. This road is as wide / narrow as that one . 3. This river is as deep/ shallow as that one . 4. This building is as high/ low as tha
17、t one . 5. This box is as heavy /light as that one .,Tim is the same age as Mike .,This road is the same width as that one,This river is the same depth as that one .,This building is the same height as that one .,This box is the same weight as that one .,6. This room is as big / small as that one .
18、7. This pencil is as long/ short as that one . 7. Mary is as tall / short as Jane .,This room is the same size as that one .,This pencil is the same length as that one .,Mary is the same height as Jane .,2、比较级:使用形容词或副词比较级形式, 表示A与B 二者相比哪一个更。 主要用于A than B 结构。 Eg.1) Jim is 160 cm tall . Mike is 156 cm
19、tall . Jim is taller than Mike. 2) Mike works hard . Jim works very hard. Jim works harder than Mike.,3. This building is 5 meters tall . That building is 6 meters tall . 4. These boxes are 40 kilos heavy . Those boxes are 45 kilos heavy. 5. Tom does his homework carefully . Mike does his homework v
20、ery carefully .,This building is lower than that one ./ That building is higher than this one .,These boxes are lighter than those ones . Those boxes are heavier than these one .,Mike does his homework more carefully than Tom .,6. Sound travels quickly . Light travels very quickly . 7. Mary speaks E
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