(共40张PPT)
Unit 3 I’m more outgoing than my sister.
人教版八年级上册
SectionA 1a-2c同步课件
Learning objectives
1. 熟练掌握以下词汇：outgoing, better, loudly, friendly, thin, more…than等。
2. 通过对比分析，能够初步感知形容词和副词的原级、比较级的用法和句型，并能够使用语言知识比较人物外貌、性格、行为活动等的异同。
3.掌握形容词比较级的变化规则。
4.通过描述身边的人能够激发学生细心留意身
边的同学，促进同学间的相互了解。
Let’s enjoy a video.
Warming-up
Do they look the same Why
They are twins.
They are twin sisters.
Do they look the same Why
They are twins.
They are twin brothers.
Paul
Peter
Twins
are similar！
But twins
also have differences！
Can you tell the twins apart
We can tell them apart from…
appearance
ability
personality
Free talk
Let’s compare and think.
height
tall
Lucy is as ___________ as Lily.
weight
hair
Lucy is ___________________ Lily.
Lucy has ___________ hair than Lily.
heavy
long
appearance
than
heavier
longer
tall
Presentation
heavy（原级）
heavier（比较级）
long（原级）
longer（比较级）
as+...+as
和...一样...
比较级+than
比...更...
Let’s compare and think.
height
weight
hair
Tim is ______________ Tom.
Tim is ______________ than Tom.
Tim has ______________________.
thin
thinner
shorter hair than Tom
as
as
short
appearance
tall
short（原级）
shorter（比较级）
thin（原级）
thinner（比较级）
as+...+as
和...一样...
比较级+than
比...更...
Peter is ______________ Paul.
Peter is ______________ than Paul.
Peter has ______________________.
Let’s compare and think.
appearance
heavy
height
weight
hair
tall
long
heavier
longer hair than Paul
as
as
Paul
Peter
heavy（原级）
heavier（比较级）
as+...+as
和...一样...
比较级+than
比...更...
Molly sings __________________ than Mary.
Let’s compare and think.
ability
well
Mary sings ________________________ Molly.
loudly
better
than
more loudly
good（原级）
better（比较级）
loudly（原级）
more loudly（比较级）
比较级+than
比...更...
形容词和副词有三个比较等级，即：
1. 原级，也就是原形。
2. 比较级，表示“较……”或“更……”的意思。（用于两者之间比较）一般是在原级后面加er，等同于中文的“更…”。
3. 最高级，表示“最……”的意思。 （用于三者或三者以上的比较）一般是在原级后面加est，等同于中文的“最…”。
形容词的原级和比较级
形容词比较级的构成规则1
short: shorter
long: longer
small: smaller
high: higher
tall: taller
一般情况直接在形容词后加
-er
white: whiter
wide: wider
large: larger
cute: cuter
nice: nicer
以字母e结尾的形容词直接在其后加-r
形容词比较级的构成规则2
hot: hotter
red: redder
fat: fatter
thin: thinner
big: bigger
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.
形容词比较级的构成规则3
easy: easier
early: earlier
heavy: heavier
lazy: lazier
happy: happier
以“辅音字母+y”结尾的，先改“y”为“i”，再加-er
形容词比较级的构成规则4
interesting:
more interesting
quietly:
more quietly
hard-working:
more hard-working
loudly:
more loudly
outgoing: more outgoing
多音节和部分双音节形容词在其前面加more
形容词比较级的构成规则5
比较级要变化，一般词尾加 er。
词尾若有哑音e，直接加r就可以。
辅音字母若加y, 记得变y为i。
一辅重读闭音节，末尾字母要双写。
多、双音节有规律，词前加more就可以。
比较级规则变化口诀
形容词或副词比较级的构成(不规则变化)：
原级 比较级 最高级 说明
good
well bad(ly) ill many much little far old better
best
worse
worst
less
more
most
farther
further
older
elder
least
farthest
furthest
oldest
eldest
巧记：
特殊形式比较级
共有三对二合一
坏病两多并两好
little意思不是小
一分为二有两个
一是老来二是远
写出下列词的比较级形式。
large _________ 8. friendly_________
2. clever _________ 9. many _______
3.lazy ________ 10. careful_________
4. few __________ 11. hot _______
5. dirty ________ 12. far _______
6. wet ________ 13. interesting _______
7.loudly________ 14.well________
larger
cleverer
lazier
fewer
dirtier
wetter
friendlier
more
more careful
hotter
farther/further
better
more interesting
more loudly
Quick response
tall
thin
long hair
quietly
loudly
short hair
heavy
short
quietly (副词)轻声地; 安静地;
副词adv.常以ly结尾。且常用来修饰动词。
特例：friendly友好的 lovely可爱的 lonely孤单的
Write the opposite words according to the pictures.
1a
loudly (副词)大声地；响亮地
How many pairs of twins can you find Who are they
a twin band
Tara and Tina.
Tom and Sam.
Peter and Paul.
Pre-listening
What are they doing
Where are they
They are performing on the stage.
What are the audience doing
They are watching the show and talking about the twins.
1
2
3
Listen and number the pairs of twins in the picture【1-3】.
1b
Conversation 2
Boy: That’s Tara, isn’t it
Girl: No, it isn’t. It’s Tina. Tina is ________ than Tara. And she also sings ______________ than Tara.
taller
more loudly
Conversation 3
Boy: Is that Paul
Girl: No, that’s Peter. Peter’s ________ than Paul. And Paul’s ________ than Peter.
heavier
shorter
Conversation 1
Boy 1: Is that Sam playing the guitar
Girl: No, that’s Tom. Sam has ________ than Tom.
Boy 2: Both Tom and Sam can play the drums, but Sam plays them
_______ than Tom.
longer
better
both adj. & pron.
两个；两个都
1) both用作形容词，置于被修饰的名词前。
Look at the three on both sides of the streets.
2) both用作代词，可单独使用，也可用于both of...结构。
作主语时，谓语动词要用复数形式。
Both of my parents are Chinese.
My parents are both Chinese.
注意：both...and... ……和……都；既……又……
both...and...通常用来连接两个并列的句子成分，若连接两个并列成分作主语，谓语动词用复数形式。
eg: Both Ann and her brother like listening to soft music.
They both like listening to soft music.
That's Tara, isn't it
No, it isn’t. It’s Tina. Tina is taller than Tara. And she also sings more loudly than Tara.
反义疑问句
前否后肯，前肯后否。
Practice the conversation then make conversations about the other twins.
1c
是指在陈述句后附加一个简短问句 ，用于征询肯定或否定的意见，或者希望陈述句所说的内容得到证实。简短问句的主语应为相应的代词（there be句型除外）。
常见形式：①肯定的陈述句+否定的简短问句
②否定的陈述句+肯定的简短问句
反意疑问句
注意：答语应符合事实。事实是肯定的，用yes；事实是否定的，用no。当句式是“前否定，后肯定”的结构时，翻译要以事实为依据，yes译为“不是”；no 译为“是的”。
—There is someone in the room, isn't there 房间里有人， 不是吗
—Yes, there is. / No, there isn't. 是的，有人。/ 不。 没人。
Tina and Tara are interviewed after performing. Let's know more about them!
funny lazy
friendly (run) fast
outgoing (jump) high
hard-working (work) hard
smart (get up) early
-er/-ier more
friendly outgoing
funny
smart
lazy
fast
high
hard
early
hard-working
Listen .Are the words in the box used with –(i)er or more Complete the chart.
2a
Tina … Tara …
is more outgoing than Tara. works as hard as Tina.
is friendlier and funnier than Tara.
can run faster and jump higher.
is smarter than Tara.
is lazier than Tara.
gets up earlier than Tina.
Listen again. How are Tina and Tara different
2b
用来进行同级比较，两个as中间用形容词或副词的原级。
He is as tall as his father.他和他爸爸一样高。
Tom gets up as early as Jim.汤姆起得和吉姆一样早。
as ... as ... 的否定形式为not as ... as ...，意为“不像……那样……”。注意：as...as中的第一个as是副词,在否定句中可以改为so,而第二个as是连词,不能用so代替。
Lucy isn’t as/so outgoing as Mary.
露西不如玛丽外向。
Tom doesn't jump as / so high as Jim.
汤姆跳得没有吉姆高。
as ... as ... 意为“像 / 和……一样……”
Interviewer: Tina, do you think you are different from your sister Tara
Tina: Oh, sure. We look similar but we’re very different.
Interviewer: Really In what ways are you different
Tina: Well, I’m more outgoing than Tara. I’m friendlier and funnier, too. And I love sports.
Tara: Yes, she can run faster and jump higher than me.
Interviewer: Who’s more hard-working at school.
Tara: Tina thinks she works harder than me, but I work as hard as Tina. But she’s smarter than me.
Tina: Not really. I think I’m lazier than Tara. She always gets up earlier than me.
Listen and imitate.Repeat and check your answers.
I interviewed the twin sisters Tina and Tara. Although they look the same, they're really different.
Tina is and . She is also and than Tara. Besides, Tina loves sports. She runs
and jumps , but Tina is
than Tara.
Tara works Tina. What's more, Tara gets up than Tina.
more outgoing
friendlier
funnier
smarter
faster
higher
lazier
as hard as
earlier
Let's make a report about the differences between Tina and Tara.
Sam is taller than Tom.
Sam gets up as early as Tom.
Sam is funnier than Tom.
Sam is more hardworking than Tom.
Sam is smarter than Tom.
Tom runs faster than Sam.
Tom is thinner than Sam.
Tom is friendlier than Sam.
Student A, look at the chart on the right. Student B, look at the chart on page 81. Ask and answer questions about Sam and Tom.
2c
My best friend is……. In some ways, we are similar. But in many other ways, we are different. Peter is heavier than me...
Write a short passage about how you and your best friend are different with the help of the chart.
Homework
You are unique.
Just be yourself!
Because of the differences, our world is colorful and fantastic.
谢谢
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