江苏省盐城市大丰区第二共同体八年级上册英语课件：Unit 1 Friends Grammar (共31张PPT)

Unit 1 Friends
Grammar
Comparative and superlative adjectives
八年级上册
Betty’s hair is shorter than May’s .
Max is the tallest boy in our class .
Comparative 比较级
superlative 最高级
Max is tall.
Yao Ming is taller than Max.
Compare them
A
B
Banana A is long.
Banana B is longer than Banana A.
The car is fast.
The plane is faster than the car.
Rule out A
1. Application range(使用范围):
We use comparatives to compare two people or things.
2. Ways of change(变化方式):
change the form of the adjectives

3. Sentence structure(句子结构):
S+be+ comparatives +than+ other components
How to form comperative adjectives?
Compare them
The first house is quite nice.
The second house is nicer than the first one.
50kg
200kg
The first box is heavy.
The second box is heavier than the
first one.
The first pig is quite fat.
The second pig is much fatter.
The first dig is big.
The second dog is much bigger.
The first phone is expensive
The second phone is more expensive than the first one.
The air is bad.
The air is worse.
Rule out B --regular adjectives
1.一般在词尾加er
2.以字母e结尾的形容词，加r
3.以一个辅音字母结尾的重读闭音节，
应先双写辅音字母，再加er
4.以“辅音字母+y”结尾的单音节和部分双音节
词，先改“y”为“i”,再加er
5.多音节词和部分双音节词，在词前加more　
How to form comparative adjectives?
Rule out C --irregular adjectives




irregular adjectives
good / well better
bad/badly/ill worse
many / much more
little less
far farther（更远的）
further（深入的）
old older / elder
1、在比较级前面加下列单词，表示程度
2、比较级+and+比较级 表示越来越…
3、the+比较级 表示两者中更...
much, far, a lot, a little, even…
e.g. China is getting more and more beautiful.
e.g. Tom is the taller of the twins.
注：(so, very, quite 修饰原级)
e.g. I’m much taller than Tom.
4、the+比较级，the+比较级 越...越...
e.g. The more, the better.
1.The sun is __________ (big) than the earth.
2.Which one is ________ (heavy) ,this box or that one?
3.Who is ________ (tall), Pingping or Yangyang?
4. Wang Fang is __________ (brave) than me. I should learn from her .
5.The ____________ (careful) we are, the ________ (few) mistakes we will make.
6. He feels even _________ (ill) today.
7. Paris is quite (beautiful) and it is
(beautiful) than London.
bigger
heavier
taller
braver
more careful
fewer
worse
beautiful
more beautiful
Yao Ming is the tallest of the three.
姚明是三人中最高的。
This book is the most interesting of all.
这本书是所有书当中最有趣的。
Rule out A
1. Application range(使用范围):
We use the+superlatives to compare three or morw people or things.
2. Ways of change(变化方式):
change the form of the adjectives

3. Sentence structure(句子结构):
S+be+ the+superlatives + other components
Group-work
Rule out B --regular adjectives
1.一般在词尾加est
2.以字母e结尾的形容词，加st
3.以一个辅音字母结尾的重读闭音节，
应先双写辅音字母，再加est
4.以“辅音字母+y”结尾的单音节和部分双音节
词，先改“y”为“i”,再加est
5.多音节词和部分双音节词，在词前加most　
How to form superlative adjectives?
Rule out C --irregular adjectives




irregular adjectives
good / well best
bad/badly/ill worst
many / much most
little least
far farthest（更远的）
furthest（深入的）
old oldest / eldest
1、最高级后常有介词短语(of/among/in …)
Of \among 表示在同一范畴内
in表示不同类，后多加地点
2. one of +the +最高级+复数名词
表示“最…之一”
e.g. He was one of the fastest swimmers of all.
3. the second/third/fourth…+最高级
表示“第几……”
eg. Millie is the third tallest in her class.
4. 如果最高级前有形容词性物主代词或名词所有格等时，
则不再加the
e.g. Mrs. Miller’s youngest son is eleven years old.
1. In our class, Pingping is the ________ (tall).
2.Helen’s coat is the _________ (nice) of the three coats.
3. Lily is the _______ (old ) of the three.
4. Which is (fast), bike, bus or plane?
5. He is one of (popular) singers in China.
6. Of all the girls, Lucy is __________. (slim)
tallest
nicest
oldest
the fastest
the most popular
the slimmest
heavy
big
tall
delicious
Which is……?
Who is ……?
1. 在英语中，比较结构还有1种：as ... as，
表示两者在某一方面相同
A+ be + as +形容词原级+as+B.
表示一方在某一方面不及另一方时
“A+ be + not + as / so + 形容词原形+ as + B.”
e.g. This pen is as good as that one.
Your house is not as / so big as mine.
2. 有些双音节形容词的比较级和最高级在该词后加________或在词前加___________ 皆可。(P12 Tip)

-er和-est
more和most
3. “less + 形容词原级+ than ...”
e.g. This story is less interesting than that one.
She is less confident (自信的) than me.
表示“不如”
4. 最高级可以和比较级进行句型转换。如：
Jim is the tallest boy in this room.
=Jim is taller than any other boy in this room.
=Jim is taller than the other boys in this room.

1. Application range
2. Sentence structure
3. Changing rules
4. Special usage
5. Extention

Comparative&Superlative adjectives
直击 中考
1.— Dick, is Nick your twin brother?
— Yes, and I’m thirty minutes _______ than him. (浙江)
A. fatter B. taller C. heavier D. older

2.This book is _____for a six-year-old child to read. (苏州)
A. enough easy B. enough easily C. easy enough D. easily enough

3.Tom is stronger than ___ in his class. (徐州)
A. any other boy B. any boys C. any boy D. other boy
4. Nowadays science fiction isn’t as ________ as cartoons among teenagers. (上海)
A. popular B. more popular
C. less popular D. the most popular
D
C
A
A
5.– Which ocean is ______, the Atlantic or the Pacific?
-- The pacific. (安徽)
A. deep B. deeper C. deepest D. more deeper

6. I think science is than Japanese. (海南)
A. much important B. important
C. much more important D. more much important
7.Your room is ___ than mine. (天津)
A. three time big B. three times big
C. three times bigger D. bigger three times
C
B
C
Good, better, best,
Never let it rest,
Till your good is better,
And your better is best!
A Poem
Revise the use of comparatives and superlatives adjectives
Complete the exercises
Preview Integrated skills
Homework