Unit 1 Friends Grammar 课件 2020-2021学年八年级英语牛津译林版上册(共26张PPT)

(共26张PPT)
Unit 1 Friends
Comparative and superlative adjectives
Learning objectives :
1.To learn comparative and superlative adjectives.
2. To use comparative and superlative adjectives.
The bike is ______.
The tractor is ______ .
The car is ________ .
fast
faster
the fastest
Compare them
The black and white dog is the happiest of the three.
The yellow dog is still happier.
The white dog is very happy.
Compare them
The first pig is quite fat.
The second pig is much fatter.
The third pig is the fattest of all.
Compare them
Comparatives(比较级)
We use them to compare ___ things/people and add ____ after them.
B. Superlatives(最高级)
We use them to compare
___________ things/people and
add ___ or _____ before them.
Read and Learn!
two
‘than’
three or more
‘the’
‘ one’s ’
形容词比较级的句型结构
He is older than you.
主语+系动词+
形容词比较级
+than+
比较对象
形容词最高级的句型结构
I’m the oldest of the three.
主语+系动词+
形容词的最高级
+of +
比较对象
（+ in + 比较范围 ）
构成方法 原级 比较级 最高级
long
few
cheap longer
fewer
cheaper longest
fewest
cheapest
nice
safe
late nicer
safer
later nicest
safest
latest
big
hot
thin bigger
hotter
thinner biggest
hottest
thinnest
pretty
unhappy
heavy prettier
unhappier
heavier prettiest
unhappiest
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
Form Comparatives and Superlatives
构成方法 原级 比较级 最高级
nervous
clearly
dangerous
frightened more nervous
more clearly
more dangerous
more frightened most nervous
most clearly
most dangerous
most frightened
不规则变法
good / well better best
bad /badly/ill worse worst
many/much more most
little less least
far farther（更远的） farthest
further（进一步的） furthest
old older / elder oldest / eldest
部分双音节词和多音节词在前面加more或most
Write out the comparative and the superlative of each word:
loud
careful
heavy
ill
slim
popular
close
little
louder loudest
more careful most careful
heavier heaviest
worse worst
slimmer slimmest
closer closest
more popular most popular
less least
adjective comparative superlative
clean
cute
happy
lazy
big
thin
sad
.
cleaner
cleanest
happier
happiest
lazier
laziest
cuter
cutest
Complete the table Part A
difficult
interesting
good
bad
bigger
biggest
thinner
thinnest
sadder
saddest
more difficult
most difficult
more interesting
most interesting
better
best
worse
worst
Millie Sandy Amy Peter Kitty Simon
Height (cm) 157 170 160 168 173 171
Weight (kg) 45 50 44 55 40 53
Swimming
(sec/50m) 40 38 30 34 36 35
Drawing competition 9/10 10/10 5/10 5/10 6/10 8/10
English
test 10/10 8/10 9/10 6/10 8/10 7/10
Profile
Part B
Simon is __________ (tall) Kitty.
Peter is __________ (tall) student of the six students.
Sandy is _____________ (heavy) Millie.
Peter is ____________ (heavy) student of the six students.
Millie is __________ (slow) swimmer of the six students.
taller than
the tallest
heavier than
the heaviest
the slowest
Report
6. Amy is ___________ (fast) swimmer of the six students.
7. Millie’s drawing is ___________________ (beautiful) Simon’s.
Sandy’s drawing is ___________________ (beautiful) in the drawing competition.
Millie’s English is _____________ (good) Amy’s. Millie’s English is __________ (good).
more beautiful than
the most beautiful
the fastest
better than
the best
Report
形容词等级用法注意点：
原形前加very, too, so, quite等词.
比较级
A. 比较级前可加much, a little,still,even等,
I feel (好多了)now.
After taking wrong medicine, he felt
_________(更糟糕).
Tom is tall, but Jack is ___________.(更高)
B. 只可同类相比
My house is bigger than _______(Mary) .
much better
even worse
still/even taller
My house is bigger than _______(he) .
his
Mary’s
C. 比较级+and +比较级,表示越来越…
They’re getting (越来越 富有).
You are getting (越来越漂亮)
D.两个中间的最…还是用比较级,不过前面加the,后面加of the two.
E. the +比较级…, the +比较级… 表示越… 就越…
越多越好
The more the better.
越仔细越好。
_________ you are, _________ you will be.
richer and richer
more and more beautiful
It is _________ of the two (cheap).
the cheaper
The more careful
the better
注意：than, much, even, still, a little, of the two, which/who is … A or B用比较级。
F. 在比较级中通常用that代替上文中提到的单数、不可数名词
用those指代上文中提到的复数名词
The water in this cup is less than _______in that cup.
that
3. 最高级
A. 用于三者或者三者以上的比较，一般会
出现of the three/ in our class
注意最高级前面加the，副词最高级前的
the 可以省略。
She is the best of the three.
She sings best of the three
B. one of + 最高级+ c.n. (pl.)
She is one of my best friends.
4. 比较级和最高级的互换
(1) He is the tallest boy in his class.
(2) He is taller than any other boy in
his class.
(3) He is taller than the other boys
in his class.
5. ‘the+ 序数词+形容词最高级+名词单数表示…是…的第几…
The Yellow River is the second longest river in China.
黄河是中国第二长河。
Test yourselves!
一.用所给单词的适当形式填空
1.These two shoes are much too _____ (big) for me.
2.It was much _____ (cold) than yesterday.
3.He jumped ______ (far) of all the students at the sports meeting.
4.I’m doing _____ (good) this term than last term.
5.Which color do you like ____, white, red or yellow
6.It’s very _____ in October, but it’s even ____ in December.(cold)
7.Who runs _____________ (quick), Jack or Jim
8.He was so ____ (silly) that he couldn't understand______(far).
9.My ____ sister works in a hospital and she is three years ____ than me. (old)
big
colder
farthest
better
best
cold
colder
more quickly
further
silly
elder
older
11. Now the wind is blowing ____________ (strong) than in the morning.
12. The Huanghe Rive is the second ______ (long) river in our country.
13. He’s quite _____ (tired) . Let’s leave now.
14. After three years, he is _____ (still, some, many, very ) taller than me.
15. She is _________ (thin) of the two girls.
16. The population of China is lager than _______.
A. Germany B. the one of Germany C. that of GermanyD. Germany’s one
17. Most people in our country are getting______________(越来越富裕).
18. Of the two pictures, I chose _______________ (较不漂亮的)one.
19. In the exams, the ___________ (care) you’re, the ______ (few)
mistakes you’ll make.
more strongly
longest
tired
still
the thinner
C
richer and richer
the less beautiful
more careful
fewer
( ) 1. My mother is _______ in our family. A.busiest B.the busiest C.busier D.busy
( ) 2. This apple is _______ of all.
A.redder B.the redest C.the reddest D.reddest
( ) 3.Which pen is _______ , this one or that one
A.dear B.dearest C.the dearest D. dearer
( ) 4. Kate is ______ than all the other girls. She is _______ of all.
A.taller , tallest B. taller , the tallest
C. the tallest , tallest D. tallest , the tallest
( ) 5. _______ of the two men is my uncle.
A. The older B. Old
C. The oldest D. Oldest
B
C
D
B
A
Multiple Choice
格林先生是这四个人当中最高最胖的。
Mr Green is ______________ and _______________________.
2. 小香蕉往往比大香蕉好。
Small bananas are often _______________________.
3. 我的铅笔比你的短得多。
My pencil is ______________________.
4. 在中国，哪一条河流最长？
Which river is __________________ in China
5. 他的观点比我的新。
His idea is ____________________.
the tallest
fattest of the four
better than big ones
much shorter than yours
the longest
newer than mine
Translation
翻译：1.Andy is the tallest girl in my class.
2. This is
3. hair is
books
the most expensive bike in the shop
Millie’s
shorter than mine .
Daniel’s
are more interesting than his .
安迪是我们班最高的
这是这家店里最贵的自行车。
Millie的头发比我的短。
Daniel的书比他的有趣.
Good, better, best,
Never let it rest,
Till your good is better,
And your better is best!
A Poem
Revise the use of adjectives, comparatives and superlatives.
Complete the exercises in the workbook.
Homework