小学英语形容词比较级最高级讲解.doc

形容词的比较级和最高级
A. 按规则变化
构成
原级
比较级
最高级
一般词尾加-er, -est
tall
long
old
small
taller
longer
older
smaller
tallest
longest
oldest
smallest
以字母e结尾的形容词或副词, 直接加-r, -st
nice
fine
large
nicer
finer
larger
nicest
finest
largest
以重读闭音节结尾的形容词或副词,如末尾只有一个辅音字母,双写该字母,再加-er,est
big
hot
fat
thin
bigger
hotter
fatter
thinner
biggest
hottest
fattest
thinnest
以“辅音字母+y”结尾的形容词或副词，把y变为i，再加-er,-est
heavy
busy
early
easy
heavier
busier
earlier
easier
heaviest
busiest
earliest
easiest
① 单音节和少数双音节单词

② 部分双音节与多音节的词比较级在原级之前加more, 最高级在原级之前加most
beautiful---more beautiful---most beautiful
interesting---
difficult---
B. 不规则变化的形容词:
原级
比较级
最高级
little / few
less
least
good
better
best
bad
worse
worst
far
further
furthest

用法：as+原级+as I'm as tall as you.
be+比较级+than Bob is taller than John.
be+最高级+of/in（范围） John is the tallest of the three.
（最高级一定要加the） John is the tallest in his class.
巩固练习：
(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. 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 _________ season of the years. (cold)
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)
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. (honest)
12. Things are getting _______ and _______. (bad)
13. The higher you climb, the _______ it will be. (cold)
14. Now his life is becoming ________ and _______. (difficult)

（三）用适当形式填空：
1. Bob is _________( young ) than Fred but ___________ (tall) than  Fred.
2. Almost all the students' faces are the same, but Li Ming looks _______ (fat) than before after the summer holidays.
3. Which is _________(heavy), a duck or a chicken?
4. I’m ______________(good) of all.
5. -- How _________ (tall) is Sally?
-- She' s 1.55 meters ________(tall).

-- What about Xiao Ling?
-- She' s only 1.40 meters ________(tall). She is much _______(short) than Sally. She is also the _______ (short) girl in the class.
6. He is ______ (bad) at learning math. He is much _______ (bad) at Chinese and he is the _____ (bad) at English.
7. Annie says Sally is the ________ (kind) person in the world.
8. He is one of the_________(friendly) people in the class, I think.
9. A dictionary is much _________ (expensive) than a story-book.
10. An orange is a little ______ (big) than an apple, but much ________ (small) than a watermelon.
11. The Changjiang River is the _______ (long) river in China.
12. Sue is a little ___________________ (beautiful) than her sister.