人教版八年级上册Unit 3 I'm more outgoing than my sisiter Section A Grammar 课件 (共46张PPT)

(共46张PPT)
Grammar
Unit 3
I’m more outgoing than my sisiter.
To learn to compare personal traits of people by using comparatives.
To compare people,learn from others.
Objectives
根据句意填入单词的正确形式：
1. My brother is two years __________(old) than me.
2. Tom is as _______(fat) as Jim.
3. Is your sister __________(young) than you Yes, she is.
4. Who is ___________(thin), you or Helen Helen is.
5. Whose pencil-box is _______(big), yours or hers Hers is.
6. Mary’s hair is as __________(long) as Lucy’s.
7.Ben jumps________ (high) than some of the boys in his class.
8.______ Nancy sing __________ (well) than Helen
older
fat
younger
thinner
bigger
long
higher
Does
better
Review
Jane
Mary
Jane is tall.
Mary is taller than Jane.
Let’s compare.
heavy
heavier
The dog is heavy.
The elephant is heavier than the dog.
Lily is _______ than Lucy.
Lucy is ______ than Lily.
Lily
Lucy
thinner
fatter
Lin Lin
Dang Dang
Lin Lin is cuter than Dang Dang.
Dang Dang is cute.
Jim
Bob
Jim is young.
Bob is younger than Jim.
I have long hair.
I have longer hair than you.
The bike goes fast.
The car goes ______than the bike.
faster
tall
short
Liu Xiang is ______ _____ Yao Ming.
Yao Ming is _____ ____ Liu Xiang.
shorter than
taller than
Lead in
big
small
A
B
Ball A is ______ _____ Ball B.
Ball B is _______ _____ Ball A.
bigger than
smaller than
Lead in
The man is _______ _____ the woman.
The woman is______ _____ the man.
thinner than
fatter than
Lead in
Tan Songyun is as ________ (漂亮) as Zheng Shuang.
Tan Songyun works as _____ (努力) as Zheng Shuang.
beautiful
hard
Gong Hanlin is _______ _____ Liu Huan.
Liu Huan sings ______ _____ Gong Hanlin.
better than
thinner than
Gao Yuanyuan is as ________ (漂亮) as Sun Li.
Sun Li works as _____ (努力) as Gao Yuanyuan.
hard
beautiful
1.什么是形容词的原级？
表示修饰两种东西的程度是一样的,用
as… as表示原级，译为:“和……一样”。
2.什么是形容词的比较级？
表示两者相比，一个比另一个更……，有比较级的句中有than,且仅限于两者比较。
形容词的原级和比较级
原级和比较级区分程度的不同：
原级是说明两个人物或事物的程度一样。
比较级是区分两个人物或事物的程度不一样。
This tree is as ____ as that tree.
The green bag is as ____as the blue one.
This pencil is as ____ as that pencil.
tall
big
long
原 级
1. A + be + as 形容词原形 + as + B
e.g. Jack is as funny as Mike.
克莱尔与休起得一样早。
杰克与迈克一样滑稽。
e.g. Claire gets up as early as Sue.
两者进行比较,表示“一方与另一方一样……”
2. A + 实义动词 + as 副词原形 + as + B
当两个人或两件事物进行比较时，形容词和副词要用比较级，也就是词尾-er形式，比较级常常用than来连接被比较的两个人或事物。
I am shorter than you. 我比你矮。
￥20
￥30
cheap
cheaper
The pink dress is cheap.
The black dress is ___________ the pink one.
cheaper than
The red car is cute.
The blue car______________
the red car.
(蓝车比红车更可爱)
is cuter than
The red apple is big.
The green apple is ____________
the red one.
bigger than
56.1kg
heavy
58kg
Garfield is heavy.
Doraemon is ____________ Garfield.
heavier
heavier than
Garfield
Doraemon
形容词比较级的构成
1.构成的规则变化:
2.构成的不规则变化:
形容词和副词的比较级
short
-
shorter
small
-
smaller
nice
nicer
safe
safer
-
-
-
-
-
-
big
thin
heavy
heavier
happy
happier
找规律：
big
bigger
thin
thinner
1. 规则变化：
1) 一般情况下，在词尾加-er ；
tall — taller smart—smarter
short — shorter long—longer
high — higher fast --- faster
二、形容词、副词比较级的变化规则:
2) 以不发音的字母e 结尾的，加 –r；
nice — nicer large — larger
fine — finer late — later
3)重读闭音节以一个辅音字母结尾的，先双写辅音字母，再加-er；
big — bigger fat — fatter
thin — thinner red — redder
hot — hotter wet— wetter
4)以辅音字母+y结尾的双音节词，先变y为i，再加-er。
happy—happier early— earlier
funny—funnier easy — easier
5)多音节词和部分双音节词，在词前面加more；
important— more important delicious — more delicious
expensive — more expensive outgoing — more outgoing
friendly — more friendly serious — more serious
slowly — more slowly quickly —more quickly
quietly— more quietly loudly — more loudly
2、形容词、副词比较级的不规则变化:
good/ well – better bad/ badly – worse
many/ much – more little – less
far – farther / further
1. A + be + 形容词比较级 + than + B
e.g. I’m more outgoing than you.
两者进行比较,表示“一方比另一方更……”
2. A + 实义动词 + 副词比较级 + than + B
e.g. Tom jumps higher than Jack.
汤姆比鲍勃跳得更高。
我比你更外向。
请写出以下形容词和副词的比较级:
high—　 . tall—　 . 　 　　
funny—　 easy—　 .
nice—　 . 　　late—　 . 　 　　
fat—　 . 　 thin—　 .
little—　 . 　 good—　 . 　　
well—　 . bad/badly—　 .
beautiful—　 . 　　
interesting—　 .
hard-working more hard-working
　thinner
　fatter
later
　nicer
　easier
　funnier
　taller
　higher
　more interesting
　more beautiful
　worse
　better
better
　less
clearly
loudly
quietly
more clearly
more loudly
more quietly
fat
big
wet
fatter
bigger
wetter
课堂练习
Tom is_____________(tall) than Jerry.
Lucy is_____________ (heavy) than Lily.
Health is_________________(important) than money.
The car is __________________(expensive) than the bike.
This bag is _____________(big) than that one.
taller
heavier
more important
more expensive
bigger
1. I’m tall but my sister is ________(short).
2. My mother has long hair, and my sister has
________ (long) hair.
3.This little baby is _________________
(outgoing) than that one.
shorter
longer
more outgoing
4. In some ways we look the same, in some
ways we look ____________(不同).
5. Ann is a very ____________(安静的) girl,
she hardly makes noise.
different
quiet
根据句意填入单词的正确形式：
1. My brother is two years __________(old) than me.
2. Tom is as ________(fat) as Jim.
3. Is your sister __________(young) than you
Yes, she is.
4. Who is ___________(thin), you or Helen Helen is.
5. Whose pencil-box is __________(big), yours or hers
Hers is.
6. Mary’s hair is as __________(long) as Lucy’s.
7.Ben ______ (jump) ________ (high) than some of the
boys in his class.
8.______ Nancy sing __________ (well) than Helen Yes, she _____.
older
fat
younger
thinner
bigger
long
jumps
high
Does
better
does
9.Fangfang is not as ______ (tall) as the other girls.
10.My eyes are ________(big) than ______(she).
11.Which is ___________(heavy), the elephant or the pig
12.Who gets up _________(early), Tim or Tom
13._____the girls get up_______ (early) than the boys No, they______.
14. Jim runs _____(slow). But Ben runs _________ (slow).
15.The child doesn’t ______(write) as ______(fast) as the students.
tall
bigger
hers
heavier
earlier
Do
earlier
don’t
slowly
more slowly
write
fast
本课句型
Summary
形容词比较级的构成
1.直接在形容词后加-er。taller, shorter, quieter, calmer
2.以不发音的e结尾的形容词直接在其后加-r。cuter, nicer, finer, later
3.以重读闭音节结尾并且末尾只有一个辅音字母，应先双写这
个辅音字母再加-er. bigger, fatter, thinner
4.以“辅音字母+y”结尾的，先改“y”为“i”，再加-er。funnier, easier, earlier
5.多音节和部分双音节形容词在其前面加more。
more outgoing, more beautiful
6.不规则变化
good/well—better—best bad/badly—worse—worst
many/much—more—most far—farther—farthest
little—less—least further—furthest
根据句意填入单词的正确形式：
1. My brother is two years __________(old) than me.
2. Tom is as _______(fat) as Jim.
3. Is your sister __________(young) than you Yes, she is.
4. Who is ___________(thin), you or Helen Helen is.
5. Whose pencil-box is _______(big), yours or hers Hers is.
6. Mary’s hair is as __________(long) as Lucy’s.
7.Ben jumps________ (high) than some of the boys in his class.
8.______ Nancy sing __________ (well) than Helen
older
fat
younger
thinner
bigger
long
higher
Does
better
Review
讲述两者有差异，第一个人物超过第二个人物时用比较级。基本句型：
主语(‘A’)+谓语动词+形容词/副词比较级+than+主语(‘B’)+…
e.g. A modern train is faster than a car.
现代的火车比轿车快多了。
This book didn’t cost me more than that one.
这本书花费我的钱不比那本多。
比较级的用法
在形容词比较级前还可用much, even, still, far
a little来修饰，表示“……的多”，“甚至……”,
“更……”, “……一些”。
e.g. This city is much more beautiful than before.
She’s a little more outgoing than me.
It’s a little colder today.
“比较级＋and＋比较级”意为“越来越……”
多音节比较级用“more and more＋形容词原级”
形式。如：
It’s getting worse and worse.
The group became more and more popular.
“Which / Who is + 比较级…？”比较A、B两事物,
问其中哪一个较……时用此句型。如：
Which T-shirt is nicer, this one or that one
Who is more active, Mary or Kate
Which one is more popular among students, going to
concerts or going to movies
the+比较级...，the+比较级... “越……,越……”
eg.The more,the better.
The harder you work,the better grades you'll get.
Ex. __________you're,________mistakes you'll make.
A.The careful,the less
B.The more careful,the less
C.The more carefully,the fewer
D.The more careful,the fewer

Exercises
一、根据句意用所给词的适当形式填空。
1. Lisa sang _______ (well) than Nelly.
2. I think she sang ___________ (clearly) than Nelly.
3. Does Tara work as _______(hard) as Tina
4. Who is _________(smart), your mother or your father
5. Does Jack run ____________ (slowly) than Sam
better
more clearly
hard
smarter
more slowly
二、根据汉语提示完成句子，每空一词
1. 你们班谁最勤奋？
Who’s _______ ______ ____________ in your class
2. 史密斯先生和格林先生对我们一样友好。
Mr. Smith is _________ _________ to us _________ Mr. Green.
3. 金钱不如知识重要。
Money is not as _________ _________ knowledge.
4. 这本书不如那一本好。
The book is _________ _________ _________ _________ that one.
5. 谁学习更努力，彼特（Peter）还是埃里克（Eric）
Who studies _________, Peter _________ Eric
the most hardworking
as friendly as
important as
not as good as
harder or