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(共28张PPT)
Unit 1 Friend
Grammar
Comparative and superlative adjectives
比较级和最高级
1. To use comparative to compare two things or people.
2. To use superlative to compare three or more things or people.
I don’t care about the things that they say.
我才不管他们说什么呢
All i konw is that everything’s goin’my way.
我知道每件事都在变好
It gets better .
它变得更好
Oh it gets better.
是的 变得更好
It gets better.
它变得更好
Better and better
越来越好
The grass gets greener,
草更绿了
Days get warmer,
天气更暖了
Sun gets brighter,
太阳公公更亮了
Brighter, and brighter,
越来越亮耶
Dreams get bigger,
梦想更大了
Smiles get wider,
笑脸更甜了
Love gets stronger
爱更坚固了
Stronger and stronger.
越来越坚耶
Lead-in
What did you find
big
bigger
biggest
Compare them
大多数形容词有三种等级：
原级
比较级
最高级
big
bigger
biggest
比较级
最高级
比较级用于比较两个人或物;比较级后通常出现“than”.
最高级通常用于比较三个或三个以上人或物;最高级前要用the连接。
原级
原级用于描述一个人或物体
Learn
The boy is tall
原级
The boy is taller than the girl
比较级
Among the three of us ,he is the tallest.
最高级
构成方法 原级 比较级 最高级
longer cheaper longest
cheapest
nice late nicer later nicest
latest
big thin bigger thinner biggest
thinnest
pretty heavy prettier heavier prettiest
heaviest
大部分单音节词在词尾加-er或-est
以字母e结尾的词，加-r或-st
重读闭音节词 末尾只有一个辅音字母时，应先双写辅音字母，再加-er或-est
以辅音字母+y结尾的双音节词，先改“y”为“i”,再加-er或-est
long
cheap
规则变化
构成方法 原级 比较级 最高级
careful dangerous interested more careful more dangerous more interested most careful
most dangerous
most interested
部分双音节词和多音节词在前面加more或most
不规则 变法 good / well
bad /badly/ill
many / much
little
far
old
better
best
worse
worst
more
most
less
least
farther
（更远的）
farthest
further
（进一步的）
furthest
older / elder
oldest / eldest
[w s]
[w st]
Do part A
Let’s try
Adjective Comparative Superlative Adjective Comparative Superlative
funny pretty
close bright
beautiful interesting
kind sad
silm wonderful
difficult heavy
smart good
cute bad
Let’s check
Adjective Comparative Superlative Adjective Comparative Superlative
funny funnier funniest pretty prettier prettiest
close closer closest bright brighter brightest
beautiful more beautiful the most beautiful interesting more interesting the most
interesting
kind kinder kindest sad sadder saddest
silm silmmer silmmest wonderful more wonderful the most
wonderful
difficult more difficult the most difficult heavy heavier heaviest
smart smarter smartest good better best
cute cuter cutest bad worse worst
1. 两者之间，只能用比较级
句型结构：
A + be + 比较级 + than + B
She is shorter than I am.
My book is more interesting than his
比较级用法总结
2. adj. 前有 much= a lot, even(甚至), far等来修饰, 则
用比较级
1) Liu xiang is much _______ (short) than Yao ming.
shorter
2) Lily is much ______________(beautiful).
more beautiful
3) He becomes even __________(bad).
worse
比较级用法总结
4. 比较级+and +比较级
“越来越…..”
1) The world is getting ______ and _______(good) .
better
better
2) Amy is getting _______________________(越来越漂亮) .
more and more beautiful
Lily is _______________ (clever) of the two girls.
the cleverer
3. “the + 比较级 + of 两者” ,表示“在两者中较…”
比较级用法总结
1. 三者或以上用最高级
最高级用法总结
the + 形容词最高级+of/in+表示范围的词语
He is the ______ (smart) of us three.
She is the ______(good)student in our class .
smartest
best
2. one of 后面的adj.常用最高级
1)She is one of ____________(pretty) girls.
the prettiest
2) Li Yuchun is one of _________________(popular)singers .
the most popular
最高级用法总结
the tallest
lighter than
the heaviest
the slowest
the fastest
higher than
the highest
better
the best
1. 修饰原级：
very, quite, so, such, much too, too
2. 修饰比较级：
much, a lot , far, even, a little, a bit
Attention
Do exercises
一、单项选择。
1. Which is _______, the sun, the moon or the earth
A. the biggest B. bigger C. biggest D. big
2. She is _______ swimmer among them.
A. good B. best C. better D. the best
3. Whose bike is ______, his or hers
A. new B. newwer C. the newest D. newer
4. The monkey is _______ of all.
A. big B. the biggest C. biger D. biggest
A
D
B
D
越来越高
taller and taller
越来越贵
more and more expensive
越来越好
better and better
越来越漂亮
more and more beautiful
I can do it
二、翻译
1、Revise the use of adjectives, comparatives and superlatives.
2、Complete the exercises in the workbook.
Homework
Goodbye~

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