Unit 1 How tall are you?
old
older
small
smaller
young
younger
strong
stronger
short
shorter
long
longer
big
bigger
◇Look at the pictures and understand 看图并理解
A
B
thin
thinner
heavy
heavier
形容词比较级
大多数形容词和副词有三个等级：
原级,即原形
比较级,表示“较……”；“更……”
Grammar
形容词和副词的比较级
最高级，表示“最……

构成的规则变化:
1. 一般在词尾加 — er
eg.
cold – colder
old — older
一、形容词的比较级变化形式
tall -- ________ 7. small-- _______
2. short-- ________ 8. cool--________
3. strong--________ 9.cold-- ________
4. old -- ________ 10.warm--_______
5. young--________ 11.deep --_______
6. long -- ________ 12.light -- _______
taller
shorter
stronger
older
younger
longer
smaller
cooler
colder
warmer
deeper
lighter
2. 重读闭音节词末尾只有一个辅音字母时, 先双写这个辅音字母, 再加-er.
big – bigger
thin – thinner
3. 以“辅音字母+ y”结尾的双音节词，先改y为i, 再加-er。
easy – easier
happy – happier
重读闭音节双写的练习
big-- _______
thin-- _______
fat -- _______
hot -- ______
wet -- ______
sad -- ______
bigger
thinner
fatter
hotter
wetter
sadder
以前学的ing格式也遵守重读闭音节要双写的原则。如run-running，swim-swimming。
去y为i+er的练习
heavy--_______
funny--_______
happy--_______
heavier
funnier
happier
以前学习名词的复数和单三形式时，格式也遵守不发音的y要去y为i+es的原则。
如butterflies
fly--flies
4.多音节词和部分双音节词在词前加 more。

eg. delicious – more delicious
interesting – more interesting
serious-more serious
多音节比较级的练习
多音节是指大于等于3个音节的单词。前面+more（更加），表示更加怎么样。
beautiful– more beautiful
excited—more excited
构成的不规则变化:
eg. good / well – better
bad / badly – worse
many / much – more
little – less
far – farther / further
以不发音的e结尾
不发音的e结尾，或者指单个e结尾的，不包括发音的e和字母组合。
large--_______
nice --_______
fine --_______
larger
nicer
finer
综合练习
tall—
funny—
large—
big—
beautiful—
good—
taller
funnier
larger
bigger
more beautiful
better
1.表示两者 (人或事物) 的比较。
eg. I am taller than Tom.
My dress is more beautiful
than hers.
二、形容词的比较级的用法
Zeng Zhiwei is short.
Pang Changjian is
Pang Changjian is Zeng Zhiwei.
shorter.
shorter than
than 比
Jordan is tall.
Yao Ming is taller.
Jordan
2.26m
1.98m
Yao Ming is taller than jordan.
Liu Huan is old .
Fei Mao is
Fei Mao is Liu Huan.
80岁
90岁
older .
older than
Lin Xinru is young.
Liu Yifei is
Liu Yifei is Lin Xinru.
18岁
28岁
younger.
younger than
The blue ruler is long.
The red ruler is longer,
The red ruler is longer than the blue ruler.
fast
faster
◇Look at the pictures and understand 看图并理解
填空题—比较级填空
1. A is 10 years old, B is 11 years old.
—A is ______ than B.

Tom is 160 cm, Lucy is 170 cm.
—Lucy is _______than Tom.

The elephant is 893 kg, the pig is 158 kg.
—The elephant is _______than the pig.
younger
taller
heavier
填空题—计算
1.A is 23 years old, B is 4 years older than A.
B is ____________ years old.

2.Lucy is 159 cm, Alice is 16 cm shorter than Lucy, Alice is _______________cm.

3.Amy is 43 kg, Zhangpeng is 23 kg heavier than Amy, Zhangpeng is ____________kg.
(23+4=27) 27
(159-16=143) 143
(43+23=66) 66
我们已经初步学了比较级的运用，那么在生活中我们如何让运用比较级呢?
问年龄：
How old are you?
问身高：
How tall are you?
问体重
How heavy are you?
问长短：
How long is your leg?
问大小：
How big are your hands?
How old are you?
I’m 20 years old.
How tall are you?
I’m 150centimeters（tall）. ['sentə,mi:təz]
I’m 1.50meters（tall）. point
How heavy are you?
I’m 46 kilograms .  ['kiləgræm]
1. Jim’s bag is _________ than Kate’s.
A. bigger B. big C. biggest D. the bigger
2. My shoes are cheaper than ________.
A. you B. your C. yours D. your one
Self-check
I. Multiple choices
4. This classroom is __________than that one.
A. many big B. much big
C. many bigger D. much bigger
连词成句
shorter You your are sister than
2 years older She’s me than
heavy you How are
big How feet are your
How is tall Lucy
I you stronger am than
me you Are shorter than
Let’s talk Let’s talk
[‘daɪnəsɔː] dinosaur 恐龙
[hɔːl] hall 大厅
 [‘mitɚ] meter 米
[bəʊθ] both两个都
Let’s talk
what size are your shoes ?
Size 7
Read and write
Countryside  [‘kʌntrɪsaɪd] 乡村
Lower  [‘ləʊə] 更低
Shadow  [‘ʃædəʊ] 影子
Smarter  [‘smɑ:tə] 更聪明
become  [bɪ‘kʌm] 成为