2021年译林英语八上 Unit1 Friends(Grammar)课件共37张PPT

(共37张PPT)
八年级上册
英语教学课件系列
Unit 1
Friends
Grammar
Comparative and superlative adjectives
Grammar
To learn how to form comparatives and superlatives
To learn to use comparatives and superlatives
Objectives
worse
worst
height
weight
sec.
competition
test
swimmer
adj. (bad的比较级)更差，更糟，更坏
adj. (bad的最高级)最差，最糟，最坏
n. 高，高度
n. 重量
abbr. (=second)秒
n. 竞赛，比赛；竞争
n. 测试，考查
n. 游泳者
Words review
Lead-in
slow
slower
slowest
fast
faster
fastest
He is taller than I am.
他比我高。
Yao Ming is the tallest of the three.
姚明是三位中最高的。
My book is more interesting than his.
我的书比他的更有趣。
This book is the most interesting of all.
这本书是所有当中最有趣的。
Comparative
and
superlative adjectives
Comparative and superlative adjectives
形容词有三种形式：原级，比较级和最高级，表示形容词说明的性质在程度上的不同。
形容词的比较级用于两个人或事物的比较，最高级用于三个或三个以上人或事物的比较。形容词的比较级和最高级是在形容词的原级形式的基础上变化的，可分为规则变化和不规则变化。
原级 比较级 最高级
规则变化 短词 tall taller tallest
长词 interesting more interesting most interesting
不规则变化 good better best
规则变化
形容词原级 比较级 最高级
单音节形容词
tall small
词尾 + er
词尾 + est
taller
tallest
smaller
smallest
形容词原级 比较级 最高级
以字母e结尾的形容词
nice fine
以辅音字母 + y结尾的形容词
pretty easy
把y改成i + er
+ st
nicer
nicest
finer
finest
把y改成i + est
prettier
+ r
easier
prettiest
easiest
形容词原级 比较级 最高级
重读闭音节,结尾只有一个辅音字母
slim big
多音节和部分双音节形容词
beautiful important
双写最后一个辅音字母 + est
slimmer
slimmest
bigger
biggest
双写最后一个辅音字母 + er
前面 + more
前面 + most
more beautiful
more important
most beautiful
most important
特殊形容词原级 比较级 最高级
good
bad
little
much/many
old
far
better
best
worse
worst
不规则变化
less
least
more
most
older/elder
oldest/eldest
farther/ further
farthest/ furthest
形容词比较级的用法
形容词的比较级用于两个人或事物的比较，其结构形式如下:
She is shorter than I am.
My book is more interesting than his book.
A + be + 比较级 + than + B
形容词最高级的用法
形容词最高级用于三个或三个以上的人或物进行比较，其结构形式为：
This is the biggest apple I have ever met.
She is the best student in her class.
A + be the + 最高级 + 表三者及以上的范围
Linda is taller than Nancy.
Linda
Nancy
Nancy is shorter than Linda.
Please use comparatives/superlatives to compare the following people or things.
￥ 50.00
￥ 100.00
The white bag is __________________ the green one.
The green bag is ____________ the white one.
cheaper than
more expensive than
Linda
Nancy
Kate
Linda is the tallest girl of the three.
Kate is the shortest girl of the three.
￥ 50.00
￥ 100.00
￥ 150.00
The purple bag is __________________ one of all the bags.
The green bag is ____________ one of all the bags.
the cheapest
the most expensive
Adjective Comparative Superlative
clean
short
cute
happy
lazy
big
cleaner
cleanest
shorter
cuter
shortest
cutest
happier
happiest
lazier
laziest
bigger
biggest
Complete the table below.
Adjective Comparative Superlative
thin
sad
difficult
interesting
good
bad
thinner
thinnest
sadder
more difficult
saddest
most difficult
more interesting
most interesting
better
best
worse
worst
Millie Sandy Amy Peter Kitty Simon
Height (cm) 157 170 160 173 155 171
Weight (kg) 45 50 44 55 40 53
50 m swimm-ing (sec.) 40 38 30 34 36 35
Drawing competi-tion 9/10 10/10 9/10 5/10 6/10 8/10
English test 10/10 8/10 9/10 6/10 8/10 7/10
Read the profile and complete the sentences.
1. Simon is __________ (tall) Sandy.
2. Peter is ___________ (tall) of the six
students.
3. Sandy is ___________ (heavy) Millie.
4. Peter is ___________ (heavy) of the
six students.
5. Among the six students, Millie is
__________ (slow) swimmer.
taller than
the tallest
heavier than
the heaviest
the slowest
6. Amy is _________ (fast) swimmer of
the six students.
7. Millie’s drawing is _________________
(beautiful) Peter’s.
8. Sandy’s drawing is ________________
(beautiful) in her class.
9. Millie’s English is __________ (good)
Simon’s. Millie’s English is _________
(good) in her class.
the fastest
more beautiful than
the most beautiful
better than
the best
1. 两者之间用比较级。
句型结构：
A + be + 比较级 + than + B
2. 三者及以上用最高级。
句型结构：
A + be the + 最高级 + 表三者及以上的范围
形容词比较级和最高级的基本使用原则
Time for reflection
1. Do you think maths is ___ than English
[2011天津]
A. difficult B. as difficult
C. more difficult D. most difficult
2. — What do you think of the dress
— Wonderful. I don’t think I can find a
___ one. [2011河南]
A. good B. better
C. bad D. worst
I. Multiple choice.
3. — Would you mind staying in such a
noisy room
— No, but my son needs a ____ place to
study in. [2011宁波]
A. cleaner B. quieter
C. safer D. smaller
4. We have a lovely room. It’s one of
___ in the hotel. [2011北京]
A. nice B. nicer
C. nicest D. the nicest
5. Mr Smith thought the Century Park
was the second _____ in Shanghai.
[2011上海]
A. large B. larger
C. largest D. very large
6. — Which city has _____ population,
Beijing, Guiyang or Xingyi
— Xingyi, of course. [2012黔西南]
A. the largest B. the smallest
C. the most D. the least
7. Shu-How Lin is now one of _____
basketball players in the NBA.
[2012福建福州]
A. popular B. more popular
C. the most popular
8. I work hard this term, but Peter
works much _____. [2012北京]
A. hard B. harder
C. hardest D. the hardest
9. _____ exercise you take, _____ you’ll
be. [2012甘肃鸡西]
A. The fewer, the fatter
B. The less, the fatter
C. The less, the more fatter
10. — Peter is _____ than you, right
— Yes, but he is _____ runner in
our class. [2012广西玉林]
A. heavier; best B. heavy; the best
C. heavier; the best
D. heavy; better
1. Who is _______ (pretty), Millie or Amy
2. Which sport is ___________________
(dangerous), swimming, climbing or
skating
3. I think math is _____________ (difficult)
than Chinese.
4. Peter is _______________ (careful)
student in my class.
5. Spring is _________ (good) season in a
year.
II. Fill in the blanks with the right forms
of the words in the brackets.
prettier
the most dangerous
more difficult
the most careful
the best
6. It’s much too noisy here. You’d better
find a _________ (quiet) place to have a
rest.
7. Kitty looks ________ (slim) than any other
girls in our class.
8. Going hiking is much _______________
(interesting) than playing football.
9. Mum, this T-shirt is too small. Would you
buy me a _______ (big) one
10. I hope you can do the work ______ (good)
with _______ (little) money.
quieter
slimmer
more interesting
bigger
better
less
1. 我们都戴眼镜，但我的视力不如你。
We both wear glasses, but my eyesight is
__________ yours.
2. Jack是他们班最高的男生。
Jack ___________ boy in his class.
3. 和奶奶一起爬泰山是我最甜美的记忆。
Climbing Mount Tai with grandma is 　　　 　
　__________________.
4. 他比我年轻。
He is ____________ me.
III. Put the following sentences into English.
worse than
is the tallest
my sweetest memory
younger than
1. Review the Grammar.
2. Make some sentences using
comparatives and superlatives.
Homework
Thank you!