形容词、副词的比较级和最高级
一.形容词和副词的原级比较：当相比较的两者、两部分在程度上相同或相近时，可用原级比较。结构：a. 肯定：as+原级+as 和......一样 Tom is as old as me/ Tim plays basketball as well as Mike. b. 否定：not as/so+原级+as 不如......（前者不如后者）
This book isn’t as interesting as that one. He doesn’t play as well as Jack.
二．形容词和副词的比较级：a.当两者或两部分相比较，表示“.......比.....更.....”时，用比较级。Tom is taller than me./ He runs faster than me./Which do you like better, tea or coffee?
c.比较级的规则变化：
（1）一般在词尾加er 如：great-greater, soon-sooner.
（2）以字母e结尾的词直接加r 如：nice-nicer, late-later
面色暗沉
（3）以辅音字母+元音字母+辅音字母构成重读闭音节结构，双写最后一个辅音字母再加er.如：big-bigger, hot-hotter
（4）以辅音字母+y结尾的，把y变为i再加er.如：happy-happier, early-earlier.
（5）部分双音节和多音节词在词前加more. 如：interesting--more interesting, difficult-- more difficult
（6）以动词+ed/ing 构成的形容词变比较级前加more. 如：bore--boring--more boring,lax-relaxing-more relaxing. relax-relaxed-more relaxed
（7）以形容词+ly构成的副词，变比较级前加more. cheap-cheaply-more cheaply,comfortable-comfortably-more comfortably
e.比较级的用法：
（1）丰胸广告adj/adv比较级+than 比...更.... Eric runs faster than Lisa.
（2）the 比较级...，the比较级...， 越......，越...... The busier he is, the happier he feels.
（3）比较级 and 比较级 越来越...... The day is getting colder and colder.
（4）the +比较级+of 两者中较......的 Mary is the more beautiful of the two girls.
c.比较级的修饰语：
must/even/far/a lot/still/ a little/a bit/a great deal,倍数等词修饰
三.形容词、副词的最高级：
a.用于三者或三者以上的人或事物之间的比较。在句中使用时，最高级前要加the，副词的最高级前可以省略the。句中常含有比较范围的介词of或in，of+一群人或事物的代词或名词，in后面一般接表示单位或场所的名词。
例句：Bill is the tallest boy of our three./Jane has the most friends in our class.
He runs the fastest of all./Who is the smartest,Tom,Jack or Mary?
It’s the hottest day this week.
b.形容词最高级的特殊用法：（1）序数词后用最高级。在表达“第几（长、大、远......）”时，序数词后用adj的最高级形式。The Yellow River is the cond longest river in China.
（2）在表达“最...的...之一”时，用最高级，构成“one of the+adj最高级+可数名词复数”Mo Yan is one of the most famous writers in China.
（3）在表达“某人的最......”时，用“某人的+adj的最高级+n”
Lisa is my best friend.
（4）“the+最高级+of/”与比较级+than any other+n单数
He is the tallest boy in our class=He is taller than any other boy.
四．形容词、副词变最高级的变化规则：
a.规则变化：
（1）一般在词尾加est. 如：great-greatest, soon-soonest.
（2）以字母e结尾的词直接加st. 如：nice-nicest, late-latest
（3）以辅音字母+元音字母+辅音字母构成重读闭音节结构，双写最后一个辅音字母再加est.如：big-biggest, hot-hottest
（4）以辅音字母+y结尾的，把y变为i再加est.如：happy-happiest, early-earliest.
（5）部分双音节和多音节词在词前加most. 如：interesting--most interesting, difficult-- most difficult
（6）以动词+ed/ing 构成的形容词变最高级前加most 如：bore--boring--most boring,lax-relaxing-most relaxing. relax-relaxed-most relaxed
（7）以形容词+ly构成的副词，变最高级前加most 如：cheap-cheaply-most cheaply,comfortable-comfortably-most comfortably
形容词和副词比较级、最高级的不规则变化：
good/well--better--best many/much--more--most bad/badly/ill-wor-worst
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little-less-least far-farther（只指距离）/further（距离程度）-farthest/furthest
old-older（年龄新旧血缘）/elder（只指血缘）-oldest/eldest
一. 写出以下各形容词的比较级和最高级：
1. nice _________ 2. fat _________ 3. slow _________ 4. dry _________
5. happy _________ 6. wet _________ 7. much _________ 8. ill_________
9. little _________ 10. bad _________11. thin _________12. far _________
13. early _________ 14. careful________ 15. exciting_______16.well______
17.friendly________ 18. green_________ 19. few________ 20.busy_______
二. 根据句意，用所括号内所级形容词的比较等级形式填空：
1. Mr. smith is _________ man in this office. (rich)
2. Winter is _________ ason of the years. (cold)
3. This radio is not so ________ as that one. (cheap)
4. It is much _______ today than yesterday. (hot)
5. She is a little ________ than her classmates. (careful)
6. ________ people came to the meeting than last time. (many)
7. Which book is ________, this one or that one? (easy)阔腿裤配什么鞋子
8. My room is _______ than yours. (small)
9. Hainan is _______ from Beijing than Hunan. (far)
10. Skating is ___________ than swimming. (exciting)
11.Jim is _______ than all the others. (tall)
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牙齿保护12. Things are getting _______ and _______. (bad)
13. The higher you climb, the _______ it will be. (cold)
14. Now our lives are becoming _________ and __________. (good)
盐酸伊托必利片15.There are _______ boys than girls in our class. (few)
16.The _______(hard) you work, the ________(happy) your parents will be.
17.He is __________(tall) of the two.
18.Of all the subjects, he likes English _______(well).
19.He runs __________(fast) of the three.
20.He got _________(good) grades in his class.
