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1、精选优质文档-倾情为你奉上 比较级和最高级一、比较级的用法:当两个人或事物（A和B）进行比较时，我们需要用到形容词（副词）的原级或者比较级1 表达“A和B一样”，用asas的结构。公式: A+be动词+as+形容词原级+as+B A+实义动词+as+副词原级+as+BEg I am as tall as you. He runs as fast as I. 我的房间和她的一样大。 他游得和我一样好。2表达“A不如B”用not asas的结构。公式: A+be动词的否定形式+as+形容词原级+as+B A+助词的否定形式+动词+as+形容词原级+as+BEg I am not as tall a
2、s you. He doesnt run as fast as I. 我的房间没有他的大。 我没有他游得好。3. 表达“A大于B”用“比较级+than”的结构。公式: A+be动词+形容词比较级+than+B A+实义动词+副词比较级+than+BEg I am taller than you.我比你高。He runs faster than I. 他跑得比我快。我的房间比他的大。 我游得比他的好。 4. 表示A 是.中最大的结构公式： A+be动词+the +形容词最高级+范围 A+实义动词+the+形容词最高级+范围I am the tallest in my class. He runs
3、 the fastest in my class. 我的房间是这里最大的。 我游得是我们班最好的。 二.形容词和副词的比较级和最高级的变化方法如下(1) 符合规则的：情 况加 法例 词一 般 情 况直接加 -er ; -estall-taller-tallest以不发音e结尾的词去e加 er ; -estnice-nicer-nicest以“辅音+y”结尾的词变y为i再加-er ; -estdry-drier-driestheavy-heavier-heaviest重读闭音节结尾的词双写末尾辅音字母，再加-er ; -estthin-thinner-thinnest多音节和部分双音节单词在词前
4、加 more ; mostmore deliciousmost delicious(2)几个不规则的形容词和副词的比较级和最高级如下表：原 级比较级最高级good , wellbetterbestbad , illworseworstmany , muchmoremostlittlelessleastfarfarther / furtherfarthest / furthest练习1：写出下列词的比较级和最高级tall slow small fast smart few nice fine large late brave pretty easy funny happy lazy heavy
5、dirty dry early busy slim hot big thin fat wet beautiful interesting important dangerous expensive polite careful exciting bad/badly/ill little many/much old far 练习2 填空1. Bob is _ ( young ) than Fred but _ (tall) than Fred. 2. Yingtian is not as _ (tall) as Yongxian. 3. Almost all the students faces
6、 are the same but Li Deming looks _(fat) than before . 4.Which is _ (heavy), a hen or a chicken? 5. He is _ (bad) at learning maths. He is much _ (bad) at Chinese and he is the _ (bad) at English. 6. Annie says Sally is the _ (kind) person in the world. 7. An orange ia a little _ (big) than an apple
7、, but much _ (small) than a watermelon.8. The Changjiang River is the _ (long) river in China.9. Sue is a little _ _ (beautiful) than her sister.10.My room is not as _ (big) as my brother s.11.-How difficult is physics? -I m not sure. - Is it _ (difficult) than maths? - I don t think so.12.- Annie p
8、lays the piano very _ (well). - Sue plays it _ (well) than Annie. And Sally plays it the _(well).13. Saturday is my _ (busy) day in a week.练习3：选择1. Which do you like _, tea or coffee? A. well B. better C. best D. most2.This work is _ for me than for you. A. difficult B. most difficult C. much diffic
9、ult D. more difficult3.Who jumped_of all? A. far B. farther C. farthest D. the most far4.Li Lei is_ student in our class. A. tall B. taller C. tallest D. the tallest5. Tom is one of _ boys in our class. A. tallest B. taller C. the tallest B. the tall6. English is one of_ spoken in the world. A. the
10、important languages B. the most important languages C. most important language D. the most important language7. Which is_, Li Lei or Wu Tong? A. strong B. strongest C. stronger D. the strongest8.Jean works hard but she doesnt work _ Mary. A, as harder than B, as hard than C, as harder as D, as hard
11、as9.This is _ book in our library. A, the most interesting B, most interesting C, the more interesting D, more interesting10.They got a Christmas tree and it was _ ours. A, so tall as B, so taller as C, as tall as D, as taller as11.A taxi doesnt run as _ as an underground train. A, fast B, faster C,
12、 fastest D, more fast12.Yangpu Bridge is one of _ in the world. A, bigger bridge B, the biggest bridge C, the biggest bridges D, bigger bridges13.Her cousin can draw _ an artist. A, as well as B, not so well as C, as better as D, as good as14.Jinmao Tower is _ building in Shanghai. A, high B, tall C, highest D, the tallest15. This box is_ that one.A. heavy than B. so heavy than C. heavier as D. as heavy as16 I think the story is not so _ as that one.A. interesting B. interested C. more interesting D. most interesting专心-专注-专业