资源简介

(共35张PPT)
Unit 3 Computers
Grammar
1
understand what the comparative of adjectives are
work out the rules of the comparative of adjectives
write an email to Li Hua by using some comparative of adjectives.
Learning objectives
By the end of the class, you will be able to...
2
3
Double 11 shopping carnival is coming soon. You can buy computer online. Hua Wei desktop and laptop are both on sale(降价出售).
Su Mei, I want to buy a computer. Do you have any advice
Lead-in
1
Double 11 shopping carnival(双十一狂欢节) is coming. Listen to a dialogue between Li Hua and Su Mei.
1. Which is cheaper, the desktop or the laptop
2. What aspects(方面) do they talk about
Which is cheaper, the desktop or laptop I want to buy the nicer of the two computers.
Lead-in
1
Double 11 shopping carnival is coming. Listen to a dialogue between Li Hua and Su Mei.
I think laptops are more expensive than desktops.
But desktops are heavier than laptops.
1
Yes, but desktops have much bigger screens than laptops.The bigger computers are, the better they are for our eyes. So I want to buy a desktop.
Lead in
Ok, you can buy a computer on the Internet. nowadays, things online are getting cheaper and cheaper.
Yes. And buying things online is becoming more and more popular.
Double 11 shopping carnival is coming. Listen to a dialogue between Li Hua and Su Mei.
Circle the comparatives and find out the rules.
2
Presentation
Li Hua:Which is cheaper, the desktop or laptop I want to buy the nicer of the two computers.
Su Mei: I think laptops are more expensive than desktops. But desktops are heavier than laptops.
Li Hua:Yes, but desktops have much bigger screens than laptops.The bigger computers are, the better they are for our eyes. So I want to buy a desktop.
Su Mei:Ok, you can buy a computer on the Internet. nowadays, things online are getting cheaper and cheaper.
Li Hua:Yes. And buying things online is becoming more and more popular.
comparative rule
一般直接: + -er
以不发音e结尾: + -r
改y为i + -er
双写辅音字母 + -er
more + adj.
部分双音节和多音节
不规则变化
For some regular adjectives.
cheap-cheaper
nice-nicer
heavy-heavier
big-bigger
expensive
-more expensive
popular -more popular
good-better
adjective comparative
good
bad
many/much
little
far
For some irregular adjectives.
better
好坏多少远
worse
more
less
farther(空间，距离远）
further(程度上更深远）
Presentation
2
Take notes in your textbook
C
比了个级
在前面加more
把y改i + er
双写尾字母+ er
直接+ er/+r
特殊变化
wet
nice
famous
strong
bad
lucky
fat
heavy
important
late
many
busy
successful
3
Practice
busier
luckier
heavier
stronger
later
nicer
wetter
fatter
more important
more famous
more successful
bad-worse
many-more
Focus on the usage of comparative of adjectives.
4
Presentation
Li Hua:Which is cheaper, the desktop or laptop I want to buy the nicer of the two computers.
Su Mei: I think laptops are more expensive than desktops. But desktops are heavier than laptops.
Li Hua:Yes, but desktops have much bigger screens than laptops.The bigger computers are, the better they are for our eyes. So I want to buy a desktop.
Su Mei:Ok, you can buy a computer on the Internet. nowadays, things online are getting cheaper and cheaper.
Li Hua:Yes. And buying things online is becoming more and more popular.
Which is cheaper, the desktop or laptop
1) ______________________________
含义：A和B，谁/哪个更......
Who/Which+be +形容词比较级, A or B
Who is younger, Jerry or Peter
电脑和手机，哪一个更贵？
_______ _______ ______ ___________, a computer or a mobile phone
练一练
expensive
Which
is
more
Focus on the usage of comparative of adjectives.
4
Presentation
I want to buy the nicer of the two computers.
2) ______________________________
含义：两个中较……的
the+形容词比较级+of the two+(名词)
He is the taller of the two boys.
她想买两条裙子中较便宜的那条
She wants to buy ______ ______ ____ _____ ______dresses.
练一练
two
the nicer of the two
the
cheaper
of
the
Focus on the usage of comparative of adjectives.
4
Presentation
Laptops are more expensive than desktops
3) ______________________________
含义：A比B更...
形容词比较级+than
Desktops are heavier than laptops.
David比Tom高得多
than
练一练
Desktops have much bigger screens than laptops.
much, even,far, a little, a bit, a lot
强调比较程度或语气
more expensive than
David is much _______ ______ Tom.
taller
Focus on the usage of comparative of adjectives.
4
Presentation
The bigger computers are, the better they are for our eyes.
4) ______________________________
含义：越......, 越......
the+形容词比较级..., the+形容词比较级...
The lighter computers are, the easier they are to carry around.
我们的家庭作业越少，我们越开心。
____ _____ homework we have, ______ _______we are.
练一练
the happier
The less
The bigger ... the better...
Focus on the usage of comparative of adjectives.
4
Presentation
Things online are getting cheaper and cheaper.
5) ______________________________
______________________________
含义：越来越......
比较级 and 比较级
Buying things online is becoming more and more popular.
1. 现在我们国家变得越来越强大。
stronger and stronger
练一练
more and more 形容词原级
2. 黑神话.悟空, 这个游戏变得越来越有名。
Black Myth--Wukong , the game is becoming______ ______ ______ _________.
more and more famous
cheaper and cheaper
Our country is becoming ________ ________ __________ now.
GO
各位大圣，点击开启语法之旅！
第一关 基础通关
CHOOSE ONE
①
②
③
④
⑤
⑥
NEXT
5
Practice
1
蔬菜变得越来越贵了。
The vegetables are becoming ___________ ___________ ________
______________ .
more
and
more
Question
H
O
M
E
expensive
评价角度
2
Linda is the ___________ (funny) of the two girls.
funnier
H
O
M
E
3
H
O
M
E
4
The more you smile, the ___________ you will feel.
B
Question
H
O
M
E
A. happy B.happier
C.happiest D.more happier
评价角度
5
H
O
M
E
6
( )My mother is already 50, but she looks __________ than she really is.
A. young B.more young
C.more younger D.much younger
D
H
O
M
E
第二关：情景交际
Practice
6
Li Hua also wants to other things. Help Li Hua buy these things.
Hello, my friend! Double 11 shopping carnival is coming soon. I want to buy a TV and a washing machine. But I don’t know which one is better. Can you give me some advice
Practice
6
Li Hua also wants to buy a TV and a washing machine. Help Li Hua buy these things.
Redmi X55
Redmi X65
Brand: Redmi X55
Size: 55 inches
Weight: 10 kg
Price: 1499 yuan
Brand: Redmi X65
Size: 65 inches
Weight: 15kg
Price: 2149 yuan
Practice
6
Li Hua also wants to buy a TV and a washing machine. Help Li Hua buy these things.
Haier Mate1
Haier Mate 28
Brand: Haier Mate1
Size:
520mmx500mmx900mm
Weight: 8 kg
Price: 686 yuan
Brand: Haier Mate 28
Size:
520mmx500mmx800mm
Weight: 10 kg
Price: 1477 yuan
Practice
6
Make a dialogue in pairs to help Li Hua buy these things.
A: Li Hua wants to buy ________. Do you have any advice
Which kind of __________ are better, _______or ______
B: ________, I think.
A: Why
B: Because __________________.(比较两者之间价格，重量，尺寸）
A: But__________________.(比较两者之间价格，重量，尺寸）
B:Well, then _________ is probably a better choice for Li Hua
small big
light heavy
cheap expensive
Brand （品牌） Redmi X55 （电视） Redmi X65 （电视） Haier Mate1 （洗衣机） Haier Mate 28
（洗衣机）
Size 55 inches 65 inches 520mmx500mmx900mm 520mmx500mmx800mm
Weight 10 kg 15kg 8 kg 10 kg
Price 1499 yuan 2149 yuan 686 yuan 1477 yuan
开始/重置
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觉醒吧
天命人
第三关：写作应用
Production
6
If you have a good idea, please email me!
Write an email to Li Hua.
Production
7
Write an email to Li Hua.
Dear Li Hua
I heard that you want to buy a___________. I want to give you some advice. Here are two __________.One is ________, another is_________.They are both good. but I think _____________________________________________.(比较两者之间价格，尺寸，重量/优势)
In addition, __________________________________________(比较两者之间价格，尺寸，重量/优势). so I think _____________is probably a better choice for you. I hope my advice can help you.
Yours,
_______
Who/Which+be +形容词比较级, A or B A和B，谁/哪个更......
the+形容词比较级+of the two+(名词) 两个中较……的
形容词比较级+than A比B更...
the+形容词比较级..., the+形容词比较级... 越......, 越......
比较级 and 比较级 ;more and more 形容词原级 越来越......
televison
televisons
Redmi X55
Redmi X65
Redmi X65 is bigger than Redmi X55
The bigger TV is, the better it is for our eyes.
Redmi X65
Pinky
Production
7
Write an email to LiHua.
Dear Li Hua
I heard that you want to buy a___________. I want to give you some advice. Here are two __________.One is ________, another is_________.They are both good. but I think ____________________.(比较两者之间价格，体积，重量) In addition, _____________
_______________________(比较两者之间价格，体积，重量). so ________is probably a better choice for you. I hope my advice can help you.
Yours,
_______
Who/Which+be +形容词比较级, A or B A和B，谁/哪个更......
the+形容词比较级+of the two+(名词) 两个中较……的
形容词比较级+than A比B更...
the+形容词比较级..., the+形容词比较级... 越......, 越......
比较级 and 比较级 ;more and more 形容词原级 越来越......
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你就是最好的大圣！
Summary
8
比较级
构成
用法
规则变化
不规则变化
Which/Who+be+比较级，A or B
the +比较级+of the two
形容词比较级+than
+er 型
more - 型
much, even, far, a little修饰比较级
The+形容词比较级+…, the+形容词比较级+…
形容词比较级+and+形容词比较级；more and more+adj.
Self-assessment (tick √)
What I have learned
1. Learn about what the comparative of adjectives are
2. Work out the rules of the comparative of adjectives
3. Know the usage of comparative of adjectives
规则变化
不规则变化
五种用法
火焰从未熄灭
热血此刻齐天
Homework
用思维导图整理比较级语法知识点（构成，用法，句型）。
Must do:
Choose to do:
完成知训P25Grammar部分。
Thank you!
Pinky

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