外研版 必修一 Module 5 A Lesson in a Lab Grammar 课件(25张ppt)

(共25张PPT)
What’s the differences between them
high-speed railway
train
Degrees of Comparison
单音节词，双音节词和多音节词
——形容词，副词比较级变化规则
small
narrow
clever
astonished
equipment
判断它们是单音节词，双音节词还是多音节词
单音节词
多音节词
双音节词
双音节词
多音节词
[sm l]
['n r ]
['klev ]
[ 'st n t]
[ 'kw pm nt]
比较级变化规则：
1.单音节词和少数以-ow结尾的双音节在词尾加-er,如
fast – ______ hard –_______ narrow_______
faster
harder
narrower
later
nicer
larger
2.以不发音的“e”结尾的单词，加”r” late – ______nice large-______
5.其他双音节和多音节词，前面加more例如
accurately-___________
careful-___________
graceful- _________
easier
heavier
busier
bigger
hotter
fatter
more accurately
more careful
more graceful
3.以辅音字母+y结尾，变y为i加er，如easy-____ heavy- ，busy-_______
4.在重读闭音节中即（辅音字母+元音字母+辅音字母），双写词尾加-er，如：big-______ ，hot- _______， fat-_______
常见的需要双写词尾的词：
大红肥瘦热big red fat thin hot
一展身手
说出下列单词的比较级形式
1.ill
2.famous
3.long
4.wet
5.interesting
6.lazy
7.great
8.well
9.small
10.cute
worse
more famous
longer
wetter
more interesting
lazier
greater
better
smaller
cuter
young
heavy
fast
careful
fluent
early
clearly
Many / few
much
high
cold
bad
old
busy
cool
warm
strong
angry
fine
quite
Task2
The answers to task2
1.younger
2.heavier
3.faster
4.more careful
5.fluently
6.earlier
7.more clearly
8.less,more/ fewer
9.less,more
10.higher
colder
worse
older/elder
busier
cooler
warmer
stronger
angrier
finer
quiter
The answers to task 3
原级 比较级
最高级
good/well
bad/ill
many/much
little
far
old
better
worse
worst
more
less
most
least
farther/further
farthest/furthest
older/elder
oldest/eldest
best
The man is fatter than the girl.
The man is much fatter than the girl.
The man is a lot fatter than the girl.
1.come a bit closer.
2.We need rather more than that.
3.It weighs a little more than before.
4.Do you feel any better
5.We need a piece which is much bigger than that.
6.The effect(影响) of the terror attacks(恐怖袭击) in America turns out(结果是) to be even worse than expected（期待）.
修饰比较级的副词
by far
still
It’s getting brighter and brighter.
The closer you are, the more you will see.
The more books I read, the more information I learn.
越来越……
3. 越……,越…….
the +形容词/副词的__________+主语+谓语，the+ 形容词/副词的____________+主语+谓语
比较级
比较级
more and more
比较级
比较级
1.单音节或双音节形容词/副词的_____+and单音节或双音节形容词/副词的_________
2.__________________+多音节形容词
4. 用比较级表示最高级含义
（1）否定词与比较级连用
（2）比较级+than any other/all the other/anyone else/ any of the other/the rest of
（3）he is the last people who I want to see.
3. 他是我最不想见的人。/他是我想见的最后一人。
3. 他是我最不想见的人。
e.g.
He is the tallest boy in our class and I have never seen a taller one.
He is taller than any other boys in our class.
一展身手
完成句子，使用括号里所给单词合适的比较级形式
Warm healthy/long more/more more/less big
1.The _________people are, the _________they will live.
2.The _______we recycle, the __________we waste.
3.The planet is getting__________________.
4.According to scientists, the universe is getting_________________.
5.The _________people in the world, the ________recourses we use.
healthier
longer
more
less
bigger and bigger
warmer and warmer
more
more
课外拓展
Fixed Expressions(固定表达)
The bigger, the better.
The higher, the fewer.
e.g. As far as a house concerned, the bigger, the better.
e.g. The higher up you go, the fewer people/things there are.
The bigger they are, the harder they fall .
e.g. Jackson used to be wealthy, but he lost every cent in the stock market crash. The bigger they are, the harder they fall.
less
more
than
better
A：what are you doing
B：I am watching a film called Tiny times 3.
A：I know it . It is directed by Guo Jingming. Though he is1.______ (little )handsome, he is really a talented person. I think he is2. _______a writer3._____a director. I think his novels are4. _____(good) than the films directed by him.
cooler
as cheap as/cheaper than
B: Maybe. I know you bought a new smart phone yesterday. May I have a look
A: Of course.
B:Wow , it’s5. ______(cool) than mine. Where did you buy it
A:In Taobao mall. It’s almost three times6.______________________(cheap) that in the shopping malls.
more and more popular
much/ a lot
B: Yeah, Taobao mall is getting7.__________________(popular) with the customers in China.
A: Exactly! It even earns8. _________higher profits(利润) than the international giants(国际巨头)!
B: No doubt(难怪) that Ma Yun has become the richest man in China.
A: He gives me courage. Set a goal(目标); the 9.________(hard) you work for it , the 10._______(soon) it will come true!
B: I can’t agree more.
harder
sooner
归纳吧
倍数表达通常有5种方式:
1.A+动词+倍数+____+形容词/副词原级+____+B
as
as
2.A+动词+倍数+形容词/副词比较级+_______+B
than
3.A+动词+倍数+the+性质名词+of+B
4.A+动词+倍数+what it was.
5.A+动词+倍数+that+B
The population of Shanghai is larger than Beijing.（有错请改正）
The population of Shanghai is larger than that of Beijing.
The students in class7 is more than those in class8.
the population
the students
Homework
Write a paragraph to compare life in your middle school and that in senior high school using the comparative expressions we have learned in this class.
班级人数 男女人数
教室的size
操场的size
教室屏幕大小
The End