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(共22张PPT)
Unit 4
Grammar Focus
Look and share
Mount Qomolangma is the ________ mountain on Earth, with a height of 8848.86 meters.
highest
The Nile River is the ________ river in the world.
longest
The Sahara Desert is the________ hot desert in the world
largest
What’s amazing about these world’s records
Look and share
What’s amazing about these world’s records
The blue whale is the ______________ animal in the world.
largest/heaviest
The Mariana Trench is the_______ place in the world’s oceans.
deepest
The Great Wall is the _______ man-made structure in the world.
longest
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
Presentation
Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb
3a
Translate all the sentences
蓝鲸是世界上最大、最重的动物。
世界上最大的陆地动物是非洲象。
在所有陆地动物中，猎豹跑得最快。
我认为世界上最有用的植物是竹子。
它可能是世界上最有趣的植物。
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
Presentation
音节
是否是规则变化
Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb
3a
Do you know the rules
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
Presentation
Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb
3a
不规则变化呢？
双音节heavy最高级
双音节useful的最高级
单音节large最高级
单音节fast最高级
三音节interesting的最高级
单音节big最高级
形容词、副词的最高级用于三个或三个以上的人或事物之间的比较，常用of/in/among短语来说明比较的范围。
形容词最高级前要加定冠词the，
副词最高级前的the可省略。
定义
特点
形容词、副词的最高级
It is the most popular cinema in the city.
He is the tallest of the three.
He runs (the) fastest.
Let’s learn
Grammar
考向1 形容词、副词最高级的构成
① 规则变化
构成方法 原级 最高级
单音节词和部分 双音节词 一般在词尾加-est high highest
tall tallest
以字母e结尾的词，在词尾加-st fine finest
nice nicest
重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-est big biggest
thin thinnest
fat fattest
hot hottest
以“辅音字母＋y”结尾的双音节词，先把“y”改为“i”，再加-est easy easiest
funny funniest
early earliest
Grammar
考向1 形容词、副词最高级的构成
① 规则变化
构成方法 原级 最高级
多音节词和 部分双音节词 在词前加most comfortable carefully most comfortable
most carefully
特别提醒:
由“动词＋-ed”或“动词＋-ing”构成的形容词变最高级时，通常
在该形容词前加most。
e.g. interesting → most interesting relaxed → most relaxed
exciting →most exciting boring → most boring
② 不规则变化
Grammar
考向1 形容词、副词最高级的构成
原级 最高级 原级 最高级
good/well best little least
bad/badly/ill worst far farthest/furthest
many/much most old oldest/eldest
clever __________ cheaply __________ large __________
nice __________ well __________ busy __________
hard __________ glad __________ little __________
beautiful __________ tidy__________ heavy __________
far __________ bad __________ colourful__________
popular__________ old__________ commom__________
cleverest
most cheaply
largest
nicest
best
busiest
gladdest
least
heaviest
tidiest
worst
hardest
most beautiful
farthest/furthest
most colourful
most popular
oldest
most commom
Exercises
The blue whale is the largest and heaviest animal in the world.
The biggest land animal in the world is the African elephant.
The cheetah runs the fastest among all land animals.
I think the most useful plant in the world is bamboo.
It is perhaps the most interesting plant in the world.
Presentation
Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb
3a
Pay attention to the red words.
最高级有范围？
Yes!
形容词和副词的最高级的范围
e.g. This is the biggest city in China.
He was the youngest player in the team.
e.g. She is the most talented of all the students.
This apple is the sweetest of the four.
表示 “在……范围内”，后接大范围(如地点、
组织、时间阶段等)。
表示 “在……中”，后接具体的人或事物(复数名词/集合名词)，强调从同类中选出 “最……”的个体。
in
+ 范围
of + 具体成员/同类事物
形容词和副词的最高级的范围
e.g. He is the richest man among the bussinessmen.
Which is the smallest among these birds
e.g. She scored the highest marks out of all students.
This song is my favorite out of his new album(专辑).
强调 “在…… 群体中”，后接复数名词或代词，
可与 of 互换，但 among 更侧重“在多者之间” 的分布感。
表示 “从……中”，后接明确的复数名词或代词，常用于强调 “从某一特定范围中选出”。
among + 同类群体
out of +
明确范围
The blue whale is the largest and heaviest animal in the world.
The cheetah runs the fastest among all land animals.
Bamboo is one of the most popular subjects in Chinese paintings.
Read the sentences and pay attention to the underlined words.
最高级的常用句型：
主语+be动词+the+形容词最高级+in/of短语.
主语+实义动词（+the）+副词最高级+in/of短语.
主语+be动词+one of the+形容词最高级+可数名词复数+in/of短语.
Grammar
考向2 最高级的常用句型
◆ “疑问词+ be+ the+形容词最高级，甲、乙or丙？”用于三个或三个以上的人或事物之间的比较。
◆ “疑问词+助动词+主语+动词原形（+the)+副词最高级，甲、乙or丙？”
◆ “主语+be + the+序数词+形容词最高级+可数名词单数+in/of短语”意为“……在…… 中是第几……的……”。
Who is the tallest, Tom, Kate or Bill
Which city do you like best, Beijing, Shanghai or Guangzhou
The Yellow River is the second longest river in China.
Grammar
考向2 最高级的常用句型
即时练习：
1. Jianshe Road is the _______ road in our city, especially around 8:00 am.
A.busier B.busiest C.wider D.widest
B
2. —Who got the first prize in this competition
—Of course Tom did. He worked _______ among us.
A. hard B. harder C. hardest
C
3. 竹子是中国画中最受欢迎的主题之一。
Bamboo is one of _____ ______ ________ __________in Chinese paintings.
the most popular subjects
4. Nanjing isn’t so big ________ Shanghai, but it’s the second ________ in East China.
A. like; big B. as; bigger C. like; biggest D. as; biggest
D
5.The Qinghai Lake is ______ lake in China.
It is in Qinghai Province.
A. large B. larger C. largest D. the largest
6. The Book of Songs《诗经》 is the ______ collection poems
in China and beginning of China’s pee tradition.
A. early B. earlier C . earliest
7. —As I know, your friend Jeff is very humorous(幽默的)．
—Yes. He is ______ person I know.
A. funnier B. the funniest C. more serious D. the most serious
D
C
B
① 比其他任何......都...... :
比较级 + than any other + 可数名词单数
比较级 + than the other + 可数名词复数
e.g. This apple is redder than any other apple on the plate.
= This apple is redder than the ______ ______ on the plate.
= This apple is the reddest of all the apples on the plate.
这个苹果是盘子里所有苹果中最红的。
other apples
Grammar
考向3 比较级表示最高级含义的用法
Complete the sentences with the superlative forms of the words in brackets.
Among all animals, I love pandas the best. I think they are __________ (cute) animals in the world.
Which do you think is _________________ (beautiful), the rose, the peony, or the lotus flower
Look at that butterfly! It has __________________ (colourful) wings.
Which animal jumps ___________ (high), the lion, the monkey, or the tree frog
The elephant birds were _________ (large) and ________ (heavy) birds ever on earth. Some could stand up to three metres tall and weigh up to 860 kg.
the cutest
the most beautiful
heaviest
the most colourful
(the) highest
the largest
stand up to 高达
weigh up to 重达
n. 牡丹
n. 莲花
3b
Complete the passage with the superlative forms of the words in the box.
ancient beautiful common good popular
The ginkgo tree is one of ____________________ living trees on earth. Ginkgo trees first appeared over 200 million years ago. Chinese people love the ginkgo, as it is a symbol of hope and long life. Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is ___________________. Thousands of tourists come to see it each year, especially in mid-October, as it is _________ time to see it. The ginkgo tree is one of ____________________ trees in streets, parks, and gardens across China. When autumn comes, one of _________________ activities is to take a walk under ginkgo trees. People believe the bright yellow leaves can bring joy to their heart.
the most ancient
the most beautiful
the best
the most common
the most popular
as 因为
成千上万的
穿过；遍及
take a walk 散步
bring ... to ..把..带到
把快乐带到他们的心里
it’s the best time to do sth. 此时正是做某事的最佳时间
在十月中旬
3c
1. Some could stand up to three metres tall and weigh up to 860 kg.
有些可以站立到 3 米高，重达 860 公斤。
weigh
v. 有……重；称重量
weight
n. 重量；分量
常见搭配
weigh about+数词 重约……
weigh over+数词 超过……重
weigh up to+数词 重达……
固定词组
put on weight 增加体重
lose weight 减重
—How heavy is the biggestlue whale
—As I know, it __________ (weigh) about 181,000 kilos.
weighs
Language points

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