Unit 4 Topic 1 What's the strongest animal on the farm? Section B 课件 仁爱版八年级英语上册 (共28张PPT)

(共28张PPT)
八年级上册英语
unit 4 Our world
Topic 1 Section B 之比较级
授课老师：丁老师
Watch a video.
Review
skating swimming rowing cycling jumping
mountain climbing take part in
What are you going to do - I am going to…
Are you going to… - Yes, I am./ No, I am not.
Do you like sports
What’s your favorite sports
Barret's farm
cow[ka ]
hen[hen]
horse[h s]
pig[p ɡ]
cat[k t]
dog[d ɡ]
duck[d k]
rabbit[ r b t]
Barret's farm
Can you use some adjectives or adverbs to describe these animals
ugly tall cute lovely strong smart small big loyal pretty tame
faithful quiet friendly
alert
Which one do you like better, the pig or the rabbit
I like the rabbit. It is cuter than the pig.
I like the rabbit. It runs faster than the pig.
Which one do you like better, the horse or the cow
I like the cow. It is stronger than the horse.
Which one do you like better, the duck or the horse
I like the duck. It is smaller than the horse.
The horse is bigger than the duck.
Which one do you like better, the cat or the dog
I like the dog. It is more loyal than the cat.
I like the cat. It is tamer than the dog.
Which one do you like better, the rabbit or the hen
I like the rabbit. It is quieter than the hen.
I like the rabbit. It is more lovely than the hen.
I like the rabbit. It is cuter than the pig.
I like the cow. It is stronger than the horse.
I like the duck. It is smaller than the horse.
The horse is bigger than the duck.
I like the dog. It is more loyal than the cat.
I like the rabbit. It is quieter than the hen.
I like the rabbit. It is more lovely than the hen.
Which one do you like better, the pig or the rabbit
Which one do you like better, the horse or the cow
Which one do you like better, the duck or the horse
Which one do you like better, the cat or the dog
Which one do you like better, the rabbit or the hen
Which one do you like better, A or B
Which one do you like better, the pig or the rabbit
Which one do you like better, the horse or the cow
Which one do you like better, the duck or the horse
Which one do you like better, the cat or the dog
Which one do you like better, the rabbit or the hen
Which one do you like better, A or B
形容词比较级
二 形容词/副词比较级的构成
一. 在表示两者（或两方面）之间的比较时要用形容词或者副词的比较级
类别 构成方法 原级 比较级
单音节词和少数双音节词 一般直接加-er long tall longertaller
不发音的e结尾时加-r latelarge laterlarger
辅音字母加y结尾时把y变i，再加-er easyhappy easierhappier
重读闭音节结尾并且只有一个辅音字母时，双写最后的辅音字母，再加-er bighot fat/thin biggerhotter fatter/thinner
类别 构成方法 原级 比较级
多音节词和部分双音节词 在原级前加more carefulbeautiful more carefulmore beautiful
在原级前加less importantuseful less importantless useful
二、形容词比较级构成
类别 构成方法 原级 比较级
单音节词和少数双音节词 一般直接加-er long tall longer taller
不发音的e结尾时加-r late large later
larger
辅音字母加y结尾时把y变i，再加-er easy happy easier
happier
重读闭音节结尾并且只有一个辅音字母时，双写最后的辅音字母，再加-er big/hot fat/thin bigger/hotter fatter/thinner
2. 多音节词和部分双音节词， 比较级在前面加more.
beautiful- more beautiful loyal- more loyal
3. 少数不规则变化
good→better
bad→worse
far→farther
many/much→more
little→less
Game
ugly
tall
cute
lovely
strong
smart
small
big
pretty
tame
faithful
good
quiet
friendly
fast
bad
1
3
2
4
pk
比较级句型
1. 在"which...+比较级 ...or... "句型中，表示两者比较：
Which is bigger, the sun or the moon
太阳和月亮，哪一个更大
2.在"A...than..B."句型中
The rabbit is cuter than the pig.
I am taller than him.
3.比较级 + and + 比较级：“越来越...”
It's getting darker and darker.
天越来越黑了。
He is getting more and more interested in sports.
他对体育越来越感兴趣。
4.The +比较级..., the +比较级...：“越...就越”
The more you eat, the more you want.
越吃越想吃。
刮一刮
which句型
than句型
比+比句型
the+比句型
刮刮卡2
刮刮卡1
刮刮卡3
刮刮卡4
比较级句型
1. 在"which...+比较级 ...or... "句型中，表示两者比较：
Which is bigger, the sun or the moon
太阳和月亮，哪一个更大
2.在"A...than..B."句型中
The rabbit is cuter than the pig.
I am taller than him.
3.比较级 + and + 比较级：“越来越...”
It's getting darker and darker.
天越来越黑了。
He is getting more and more interested in sports.
他对体育越来越感兴趣。
4.The +比较级..., the +比较级...：“越...就越”
The more you eat, the more you want.
越吃越想吃。
Practice
（一） 写出下列形容词与副词的比较级：
long_____ wide ______ fat ____ heavy____
slow ______ few____ brightly______ nice _____
far____ big _____ happy____ quickly________
longer
wider
fatter
heavier
slower
more brightly
fewer
nicer
bigger
farther/further
happier
more quickly
1. Of the two girls, I find Lucy is _______ (smart).
2. Gold(黄金) is ______ (little) useful than iron(铁).
3. My sister is two years _______ (old ) than I.
4. she sings ______(good) than John
5. She will be much ______ (happy) in her new house.
smarter
less
older
better
happier
牛奶和面包，哪一个更甜？
这版漫画书变得越来越有趣了。
你越努力，就越有收获。
兔子比乌龟跑得快。
Which is sweeter, milk or bread
The comic book is getting more and more interesting.
The harder you work, the more you will gain
The rabbit runs faster than the turtle.
Summary
类别 构成方法 原级 比较级
单音节词和少数双音节词 一般直接加-er long tall longertaller
不发音的e结尾时加-r late large later
larger
辅音字母加y结尾时把y变i，再加-er easy happy easier
happier
重读闭音节结尾并且只有一个辅音字母时，双写最后的辅音字母，再加-er big/hot fat/thin biggerhotter fatter/thinner
2. 多音节词和部分双音节词， 比较级在前面加more.
beautiful- more beautiful loyal- more loyal
3. 少数不规则变化
good→better
bad→worse
far→farther
many/much→more
little→less
1. 比较级构成
Homework
1. Write a short passage in the comparative form.
2. Complete the exercise on page 18 of the book
3. Preview superlative
See you next time!