(共34张PPT)
Unit 1 How tall are you
Part B Let's learn
PEP版英语六年级（下）
Summary
Teaching aims
1. 能够听、说、读、写比较级单词：thinner, heavier, bigger, smaller, stronger。
2. 能根据实际情况灵活运用形容词的比较级描述身边的人和事物的特征。
3. 了解部分形容词由原形变为比较级时需双写词尾的字母，再加-er或者是变y为I，再加-er。
重点
Let's do
Big, big, big,
make your eyes big.
Bigger, bigger, bigger,
make your eyes bigger.
Small, small, small,
make your eyes small.
Smaller, smaller, smaller,
make your eyes smaller.
Long, long, long,
make your arms long.
Longer, longer, longer, make your arms longer.
Short, short, short,
make your arms short.
Shorter, shorter, shorter, make your arms shorter.
Let's do
younger
older
taller
shorter
shorter
longer
Who is older/ younger /taller/ shorter
Whose dress is shorter/ longer
Review
It’s a balloon.
A riddle
I can blow it bigger and bigger.
I also can make it smaller and smaller. We need lots of them in a party. What is it
Let’s know more about our friends.
I’m 46 kilograms. How heavy are you, Binbin
I’m 42 kilograms.
I’m heavier than you.
You are thinner than me.
heavy — heavier
thin — thinner
46KG
42KG
Look and learn
Size 40
Size 37
2. What size are Mike’s shoes
1. What size are Wu Binbin’s shoes
3. Whose shoes are bigger
bigger
smaller
Look and learn
Size 40
Size 37
bigger
smaller
Mike’s shoes are bigger than Wu Binbin’s.
Wu Binbin’s shoes are smaller than Mike’s.
big — bigger
Look and learn
small — smaller
Who is stronger
Zhang Peng is stronger than Sarah.
Sarah is thinner than Zhang Peng.
strong — stronger
thin — thinner
Look and learn
Q1: How heavy is Jim
Q2: Is John heavier than Jim
He is 52 kilograms.
No, he isn’t.
Listen and answer
John: How heavy are you, Jim
Jim: I’m 52 kilograms.
John: You’re heavier than me.
bigger
smaller
thinner
heavier
stronger
Listen and follow
thinner
更瘦的
例句 My mother is thinner than my father.
我的妈妈比我的爸爸瘦。
反义 heavier（形容词）更重的
New words
heavier
更重的
例句 The elephant is heavier than the mouse.
大象比老鼠重。
反义 thinner（形容词）更瘦的
New words
bigger
更大的
例句 The bank is bigger than the post office.
银行比邮局大。
近义 larger（形容词）更大的
银行
邮局
New words
smaller
更小的
巧记 small （小的）+er=smaller （更小的）
例句 My brother’s pear is smaller than mine.
我哥哥的梨比我的小。
联想 smallest（形容词）最小的
反义 bigger（形容词）更大的
New words
更强壮的
例句 My PE teacher is stronger than me.
我的体育老师比我强壮。
反义 weaker（形容词）更虚弱的
stronger
New words
用合适的英文单词补全下列句子
The man is________than the woman.
heavier
The woman is_______than the man.
thinner
New words
用合适的英文单词补全下列句子
The watremelon is________than the orange.
bigger
The orange is________than the watermelon.
smaller
New words
用合适的英文单词补全下列句子
John is_______than Joey.
stronger
John
Joey
New words
认识比较级
thin
heavy
big
small
strong
thin
ner
heav
ier
small
er
big
ger
strong
er
summary
形容词比较级的变化规则
1.一般在词尾+er:
strong—stronger old --- older
tall---taller small ----smaller
2. 以不发音e结尾的，加-r.
fine + r = finer( 更好的)
late + r =later(更晚的)
summary
3.以辅元辅结构结尾的单词，变比较级时双写末尾字母再加er:
big----bigger(更高的、更大的)
hot----hotter (更热的)
thin----thinner (更瘦的)
summary
4.辅音字母+y字母结尾的单词，变比较级时把y变i,再加er:
happy----happier(更高兴的、更幸福的)
heavy----heavier (更重的)
funny----funnier (更滑稽好笑的)
summary
Look and guess: Whose fish are the biggest Whose fish are the smallest
Match and say
Chen Jie's
Sarah's
Mike's
Wu Binbin's
Oliver's
______'s fish is ______than ________.
Oliver
bigger
Wu Binbin's
Let’s match
Chen Jie's
Sarah's
Mike's
Wu Binbin's
Oliver's
____'s fish is ____than_______.
Match and say
Match and say
说句子比赛
小组同学两人一组拿出自己的文具用句型“My+名词+is/are+形容词比较级+ than + yours.”比长短（铅笔、尺子）、比大小（书本）、比轻重（书包）。
Pair work
一、根据句意，选择合适的图片。
( ) (1) Which is stronger
( ) (2) Who is older
A
B
A. B.
A. B.
Practise
( ) (3) Who is thinner
( ) (4) Which is smaller
( ) (5) Which is heavier
B
A
A
A. B.
A. B.
A. B.
Practise
二、写出下列句子中形容词的比较级。
（1）Don’t be sad. ________
（2）It is hot today. ________
（3）It is sunny. ________
（4）He is funny. ________
（5） My pencil is long. ________
sadder
hotter
sunnier
funnier
longer
Practise
三、写出下列画线单词的反义词。
（1） My ruler is longer. ________
（2） Your hands are bigger. ________
（3） The bear is fatter. ________
（4） I’m younger than Mike. ________
（5） He is taller. ________
shorter
smaller
thinner
older
shorter
Practise
Key words:
smaller, bigger, thinner, heavier, stronger
Key sentences:
—How heavy are you
—I'm 52 kilograms.
—You’re heavier than me.
Summary
