Unit 3 I'm more outgoing than my sister. Section A 1a-1c 课件(共21张PPT) 人教版八年级英语上册

(共21张PPT)
Unit3 I'm more outgoing than my sister.
Section A（1a-1c)
形容词和副词的
比较级
1
句子结构
Alice is ______.
Tina
Alice
tall
Tina is ______.
short
Alice is ______ than Tina.
taller
Tina is ______ than Alice.
shorter
Tom
Mark
Mark is ______.
heavy
Tom is ______.
thin
Mark is ______ than Tom.
heavier
Tom is ______ than Mark.
thinner
Jerry runs ______ than Tom.
Tom
Jerry
Jerry gets up.
Jerry gets up ______. 起得早
Jerry gets up ______ than Tom.
early
earlier
Jerry runs.
Jerry runs ______. 跑得快
fast
faster
The red box is big.
The green box is small.
The red box is bigger than the green box.
The purple ruler is long.
The blue ruler is short.
The purple ruler is longer than the blue ruler.
The blue ruler is shorter than the purple ruler.
the Comparative(比较的）forms
A
B
be
形容词/副词比较级
than
+
+
+
+
eg. Tom is taller than me.
I am ___ than xxx. She/He is_____than me.
I have ___ than xxx. She/He has____than me.
...
Let's play: Compare(对比) your classmate with you.
How many pairs of twins are there
Tara
Tina
Tom
Sam
Peter
Paul
There are __________people in the picture, and there are three__________________.
nine
pairs of twins
Tara and Tina
Tom and Sam
Peter and Paul
1a
tall
thin
long hair
quietly
loudly
short hair
heavy
short
speak loudly/quietly
quietly-more quietly
sing loudly/quietly
loudly-more loudly
Write down their comparative(比较级).
Match each word with its opposite(反义词).
Tape script
A: Is that Sam playing the guitar
B: No, that’s Tom. Sam has longer hair than Tom.
C: Both Tom and Sam can play the drums, but Sam plays them better than Tom.
A: That’s Tara, isn’t it
B: No, it isn’t. It’s Tina. Tina is taller than Tara. And she also sings more loudly than Tara.
A: Is that Paul
B: No, that’s Peter. Peter’s heavier than Paul. And Paul’s shorter than Peter.
形容词和副词的
比较级
2
单词变化
2. 构成的规则变化:
原级 比较级
cold –—— colder
bright——— brighter
young—— younger
一般情况在词尾后加er
2)
原级 比较级
nice ——— nicer
fine——— finer
large —— larger
以字母 e 结尾的词只加 –r 构成比较级。
3)
如: big – bigger
thin – thinner
4)
如：
easy – easier
happy – happier
重读闭音节词末尾只有一个辅音字母时, 先双写这个辅音字母, 再加-er。
以“辅音字母+ y”结尾的双音节词，先改y为i, 再加-er。
5)
delicious – more delicious
interesting – more interesting
important—more important
划分音节：
找元音，一般几个元音，就有几个音节（除以不发音e结尾外）
多音节词和部分双音节词在词前加more。
形容词/副词比较级变化规则 例子
一般情况下 在词尾加er greater longer cleaner shorter
以不发音的e结尾 在词尾加r finer nicer
以辅音字母+y结尾 变y为i再加er busier healthier happier luckier
以重读闭音节,末尾只有一个辅音字母结尾 双写该字母,再加er bigger hotter thinner wetter
多音节词 部分双音节词 在前面加more more important more outgoing
more loudly more interesting
原级 比较级
good/well better
bad/badly worse
many/much more
little less
far farther（距离）/ further（程度）
形容词副词比较级不变化规则
Thank You!