1. 直接在形容词后加-er, -est
tall- taller- the tallest short- shorter—the shortest long- longer—the longest
loudquiet
calmdull
wildclose
cleverstrong
weakfew
oldslow
younghigh
shy2.以不发音的e结尾的形容词直接在其后加-r, -st
large- larger—the largest cute- cuter- the cutest fine- finer—the finest
lates**e
whitebr**e
closewide
wise3.以重读闭音节结尾并且末尾只有一个辅音字母，应先双写这个辅音字母再加-er, -est.
big- bigger- biggest thin- thinner- the thinnest hot- hotter—the hottest
fat4.以“辅音字母+y”结尾的，先改“y”为“i”， 再加-er, -est
happy- happier- the happiest healthy-healthier—the healthiest easy-easier—the easiest
lovelytasty
uglyfunny
friendly
5.多音节和部分双音节形容词在其前面加more, most
outgoing--more outgoing--the most outgoing serious—more serious- the most serious
seriousoutgoing
athleticbeautiful
creativeloving
talentedfamous
difficultimportant
fantasticdeliciousterriblecomfortable
popularinterestingboringexcellent
pleasedtired
gladexpensive
6. 不规则形容词的变化：
good/wellbad/ badly/ ill
littlemany / much
far比较级与最高级句型集合：
1. “a + be ( am\is\are ) as +原级形式+ as + b”
2. “a + be + not as\so +原级形式+ as +b”
3. “a + be( 系动词) +比较级+ than + b” （中文关键词：更英文关键词：than）
4. “a + be + the +最高级+ of \ in + 范围” (中文关键词：更英文关键词：the, of, in )
比较级与最高级应注意的问题：
1. 比较级前可以加上数字、倍数或much\ even\ a little \ a bit \ far等表示程度。
2、比较级 + and + 比较级。
more and more + adj. 越来越。
3、the + 比较级， the + 比较级。
4、“ one of +最高级+ 名词(复数) ”作主语时，谓语动词要看作单数。 最……的……之一。
5. 序数词与最高级的连用。
exercise:
一。回答下列问题。
1. what is the longest wall in the world?
2. which country has the largest population（人口） in the world?
3. which is the he**iest animal on the land?
4. which language has the most speakers in the world?
5. who is the tallest professional basketball player in china?
6. which is the biggest island(岛屿) in china?
7. which is the warmest province in china in winter?
8. which is the coldest province in china in winter?
9. which is the most famous university in china?
10. who is the cleverest student in our class?
二．用形容词的正确形式填空。
1. she is two year __than me. she’s the __girl in our class. (young)
2. bill is __than tom. he’s the __of the three children. (old)
3. john is the __boy in the class. (clever)
4. cairo is the __city in egypt. (big)
5. her bicycle is __than mine. (good)
6. my cold is __today than it was yesterday. (bad)
7. tokyo is __from beijing than from shanghai. (far)
8. this question is __than the other one. (******)
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