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1、一形容词和副词比较级和最高级的变化方法形容词比较级最高级的规则情 况加 法例 词一 般 情 况直接加 -er ; -estall-taller-tallest以e结尾的词加 r ; -stnice-nicer-nicest以“辅音+y”结尾的词变y为i再加-er ; -estdry-drier-driestheavy-heavier-heaviest以一个辅音字母结尾的词辅音字母双写，再加-er ; -estthin-thinner-thinnest多音节和部分双音节单词在词前加 more ; mostmore deliciousmost delicious几个不规则的形容词和副词的比较级和最
2、高级如下表：原 级比较级最高级good , wellbetterbestbad , illworseworstmany , muchmoremostlittlelessleastfarfarther / furtherfarthest / furthest二形容词和副词比较级的用法级别比较程度表达方式和意义例 句备 注原级同等程度肯定形式As+原级+as(像一样)Art is as interesting as music.Play as well as you can.否定形式not + so (as) +原级+as(不如那样)English is not so difficult as s
3、cience.She does not study so well as I do. 比较级不同程度（用于两者比较）比较级+than(比)Jim is older than Luky.I like pork better than beef.比较级前面可以加much, far, even, still,a lot, a little, a bit等程度加深比较级+and+比较级（越来越）The + 比较级，the + 比较级（越, 越）He is growing taller and taller.He studies better and better.The more books she
4、reads, the better she understand.最高级最高程度（用于三者或三者以上）The +最高级+of (in)(最)Spring is the best season of the year.Lin Tao jumped (the) farthest of all.副词最高级前面的the 往往省略注意：有些形容词，如 dead, empty, round, sure, woolen 等受本身含义的限制，没有比较级。 副词比较级最高级的规则 和形容词一样，副词也有原级、比较级、最高级.规则变化：1. 单音节词， 加er，est（1）副词和形容词同形，单音节，在词尾加er
5、fast ， hard ，loud （2）以字母“e”结尾的副词，加”r”st” late - （3以辅音字母y结尾的副词，先变i,再加er est early 2.双音节和多音节词，前面加more mostaccurately， carefully gracefully ， politely-三形容词副词比较级最高级的其他用法（1）和冠词连用the 形容词原级v(复)，指一类人或物the 形容词比较级，指两者中“较的”的那一个，eg. the younger of the two a/ an 形容词比较级eg. The pen is expensive. I want a cheaper o
6、ne. ( a) most形容词最高级“非常”eg. a most beautiful city( 2 ) 相关结构1) 原级比较：肯定句 as.as., 否定句not so / as.as.2) 比较句： 比较级 than.或more (less) .than.The furniture in this shop is less beautiful than that in that shop.(注意代词that的用法)3) 比较级 and比较级 或 more and more比较级 “越来越 ”richer and richer, more and more interesting4) T
7、he more., the more.“越， 越”The more you look at the picture, the better you will like it. 5) 比较级than any other n. （单） （适用于范围一致时） (all) other n.（复） any n.(单) （适用于范围不一致时） He is taller than any other student / all other students in his class. any student in my class.6) 倍数表达法。A is three(four, etc.)times t
8、he size(height, length etc.)of B.A is three(four, etc.)times as big(high, long, etc.)as B.A is three (four, etc.)times bigger(higher, longer, etc.)than B. 用times 表倍数通常用于三倍以上，两倍可以用twice或double. Eg: The new building is four times the size (the height)of the old one.这座新楼比那座旧楼大三倍（高三倍）。 Asia is four time
9、s as large as Europe.亚洲比欧洲大三倍。Your school is three times bigger than ours.你们的学校比我们的学校大三倍。选择最佳答案填空：1 Dont worry, sir. Im sure I can run _ to catch up with them. A. slowly enough B. enough slowly C. fast enough D. enough fast2. The text is very easy for you. There are _ new words in it. A. a few B. a
10、little C. few D. little3. Its such an _ film that all the students are _ in it. A. interesting; interested B. interested; interesting C. interesting; interesting D. interested; interested; interested4. Mingming got up very _,so he came to school half an hour _. A. late; lately B. lately; late C. lat
11、ely; lately D. late; late5. I am _ worried about y parents healthy conditions. A. some times B. sometime C. sometimes D. some times6. We dont have _ every day. A. a lot of school works B. many school work C. any school works D. much school work7. -Look! How fast the two horses are running! -Oh, yes!
12、 They are nearly _. A. up and down B. slower and slower C. more or less D. neck and neck8. _ children there are in family,_ their life will be. A. The less; the better B. The fewer; the better C. Fewer; richer D. More; poorer9. Most of the people in Guangdong are getting _. A. more and more rich B.
13、more rich and more rich C. richer and richer D. richer and richest10. Which lesson is _, this one or that one? A. difficult B. much difficult C. more difficult D. the most difficult11. A _ accident happened at 7:30 a.m. said the policeman _. A. serious, serious B. seriously, seriously C. seriously, serious D. serious, seriously12. _ is it from our school to Lupu Bridge? A. How long B. How often C. How far D. How much13. In our city, it is _ in July, but it is even _ in August. A. hotter; hottest
