Unit 4 What’s the best movie theater?形容词副词的比较级和最高级 （共26张PPT无素材）

(共26张PPT)
★原级，也就是原形。

★比较级，一般用在比较两个事物的时候。

★最高级，顾名思义就是在比较的时候，
某一事物具有某方面最典型的特征。
一、形容词、副词的比较级、最高级的构成规则：
1 一般直接在词尾加上er表示比较级，加上est表示最高级
原级 比较级 最高级
1）small small small
2) young young young
3) fast fast fast
er
est
er
est
er
est
?
??2? 以不发音的字母e结尾的，直接加r表示比 较级，加st表示最高级。
1) large large large
2) nice nice nice
3) fine fine fine

r
st
r
st
r
st
?3?? 以辅音字母+y 结尾的，变y为i, 加
上er表示比较级；加上est表示最高级。
原级 比较级 最高级
1）early early early
2) happy happy happy
ier
iest
ier
iest
4??以重读闭音节结尾并且末尾只有一个辅音字母，双写最后一个辅音字母，然后加上 er表示比较级；加上est表示最高级。
原级 比较级 最高级
1） big big big
2) thin thin thin
3) wet wet wet
4) fat fat fat
5) hot hot hot
ger
gest
ner
nest
ter
test
ter
test
ter
test
5 ? 部分双音节和多音节的形容词、副词，在词前加上more表示比较级；加上most表示最高级。
原级 比较级 最高级
happily happily happily
difficult difficult difficult
more
most
more
most
beautiful, interesting, dangerous, careful, important, friendly, popular, expensive, comfortable

不规则变化，要多加注意！
good→ →
bad → →
many → →
little → →
well→ →
badly→ →
much→ →
far→ →
better
best
worse
worst
more
most
less
least
better
best
farther
farthest
worse
worst
more
most
原级 比较级 最高级
fast
short
big
thin
funny
heavy
athletic
expensive
far
faster
shorter
bigger
thinner
funnier
heavier
more athletic
more expensive
farther
fastest
shortest
biggest
thinnest
funniest
heaviest
most athletic
most expensive
farthest
Tom is as tall as Mike.?
as+形容词原形+as和...一样
This bridge is not so/as long as that one.?
Tom is three times as old as Mike.
not so/as+形容词原形+as 不如... 没有...
① 比较级+than… 比...更
This book is more expensive than that one.?
Our school is larger than theirs.?
②比较级+and+比较级 越来越......
It's hoter and hoter.
Our city is becoming more and more beautiful.

③The+比较级，the+比较级 越......，就越......
The harder you study, the better your English will be.

4 比较级之前可用much, even, a little等程度副词修饰
This box is much larger than that one.
。

1.Which do you like ______(well),apples or oranges?
2.Who is ______(old),Jim or Tom ?
3.Jack is running _____ and ______(fast) .
4.Our life is becoming ______and
___________ (comfortable).
5.Anna doesn't study so ________(hard) as you.


better
older
faster
faster
more
more comfortable
hard
比较级的用法： …than…
1.汤姆比杰克高。


2.这辆车要比那辆车贵的多。


3.越多越好。



Tom is taller than Jack.
This car is much more expensive than that one.
The more, the better.
形容词最高级常用句型


最高级用于三个或三个以上比较
① the+最高级+of/in+范围 表三者或三者以上中最高程度
He is the tallest in our class.

② one of the+最高级+名词复数 最......之一
Beijing is one of the largest cities in the world.

③the+序数词+最高级+名词 第几个最......
The Yellow River is the second longest river in China.

Exercise
Michael Jackson was one of ( )popular singers of the 20th century.
A. more B. the more
C. most D. the most
2 .?Which?is( )?,?the?sun,?the?moon?or?the?earth???--Of?course,?the?moon?is.???
A. small??????????B.smaller???????????
C. smallest???????D. the?smallest
D
D
完成句子：
1 这个盒子比那个重。
This box is ______ _______that one.
2 你下次一定要做得更好。
You must ____ ______next time.
3 他学习比他的哥哥努力得多。
He studies _______ _____ _____his brother.
4.谁想去最远的那个公园?
Who wants to go to _____ _____ park?
heavier than
do better
much harder than
the farthest
1
5.?她看起来不如玛丽年轻。? ???????
She?doesn't?look?__________?_________?__________?Mary.??????
6.当心！这条路越来越危险。? ???????
Look?out!?The?road?is?becoming?______
and?_________?________.?
7.你喜欢哪种动物，猫还是狗？? Which?animal?do?you?like?__________,?a?cat?or?a?dog?
as/so young
as
more
more dangerous
better
expensive
More expensive
the most expensive
beautiful
More beautiful
the most beautiful
bad
worse
worst
good
better
best