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形容词的比较级和最高级
一、一般句式
A + is / are+ 形容词比较级+ than + B
A 是主格 B 是宾格
如: She is taller than me.
二、形容词比较级变化:
(一)规则变化
1.单音节词末尾加-er(比较级),-est(最高级)
原级
比较级
最高级
great
greater
greatest
small
smaller
smallest
fast
faster
fastest
soft
softer
softest
2.单音节如以e结尾,只加-r(比较级),-st(最高级)
原级
比较级
最高级
large
larger
largest
safe
safer
safest
nice
nicer
nicest
fine
finer
finest
3.闭音节单音节词(末尾只有一个辅音字母,须先双写这个辅音字母)再加-er(比较级),-est(最高级)
原级
比较级
最高级
big
bigger
biggest
hot
hotter
hottest
thin
thinner
thinnest
sad
sadder
saddest
特别提醒:new, few, slow, clean等词含有字母组合,且发的是长元音,不用双写。
4.以-y结尾的词,如-y前是辅音字母,则变y为-i,再加-er和-est。以-e结尾的词只加-r和-st
原级
比较级
最高级
pretty
prettier
prettiest
easy
easier
easiest
busy
busier
busiest
5.双音节、多音节形容词(即音标中含有三个或三个以上元音音素的词),在单词前面加上 “more” “most” 构成比较级、最高级:
原级
比较级
最高级
beautiful
more beautiful
most beautiful
interesting
more interesting
most interesting
difficult
more difficult
most difficult
honest
more honest
most honest
特别提醒:以形容词前缀un构成的三音节形容词不适合上述情况:
如:unhappy-unhappier-unhappiest untidy-untidier-untidiest
6.以形容词+ly构成的副词要在前面加more,most
原级
比较级
最高级
slowly
more slowly
most slowly
quickly
more quickly
most quickly
friendly
more friendly
most friendly
7.由ing分词和-ed分词演变过来的形容词只能加more或most来表示比较级和最高级:
原级
比较级
最高级
interesting
more interesting
most interesting
excited
more excited
most excited
tired
more tired
most tired
boring
more boring
most boring
(二)不规则变化:
原级
比较级
最高级
bad
worse
worst
far
farther
farthest
far
further
furthest
good
better
best
ill
worse
worst
little
less
least
many
more
most
much
more
most
well
better
best
练习题:
一、 请写出下列形容词的比较级和最高级
big _________ _________ small_________ _________
new_________ _________ tall _________ _________
short _________ _________ old _________ _________
strong_________ _________ fat_________ _________
hot _________ _________ cold _________ _________
thin_________ _________ nice_________ _________
good_________ _________ high _________ _________
bad _________ _________ much _________ _________
low_________ _________ dirty_________ _________
cheap_________ _________ easy_________ _________
ugly_________ _________ heavy_________ _________
excited_________ _________ pretty_________ _________
interesting_________ _________ delicious_________ _________
beautiful_________ _________ expensive_________ _________
二、 Write the answers.(根据题意,写出答案。)
1. The black dog is _____ (thin) than the white dog.
2. This balloon is _____ (big) than yours.
3. My bag is _____ (heavy) than yours.
4. John is _____ (strong) than Mike.
5. I am _____ (short) than Lucy.
三、用所给词的正确形式填空,每词用一次。
young long tall heavy old thin
1. Monkey’s tail is ______________ than the rabbit’s tail.
2. Dick is 11 years old. Nina is 12 years old. Dick is ______________ than Nina.
3. I’m 140 cm ______________.
4. I’m 40 kg. You’re 42kg. I’m______________than you.
5. How ______________ are you? I’m 45 kg.
四、选择填空。
1、 How heavy are you?______________
A、 I’m 48 years old. B、I’m 48kg. C、I’m 48cm.
2、 Tom is 120 cm.Jack is __________than him.
A、 tall B、taller C、heavier
3、 How heavy is the whale?______________
A、It’s strong B、It’s heavier C、It’s 3600 kg.
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