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(共25张PPT)
Unit 4
Amazing Animals and Plants
Section A Grammar Focus 3a—3c
To learn to make comparisons using superlatives.
To talk about some amazing plants.
Objectives
形/副词最高级的构成（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
Tips: 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。
interesting→most interesting relaxed→most relaxed
exciting→most exciting boring→most boring
原级 最高级
good/well best
bad/badly/ill worst
many/much most
little least
far farthest/furthest
old oldest/eldest
形/副词最高级的构成（不规则变化）
Grammar Focus
3a
Read the sentences and notice the words in bold. What are
the ways to form a superlative adjective or adverb
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.
large — largest heavy — heaviest big — biggest fast — fastest
useful — the most useful interesting — the most interesting
Observe the words and find the rules.
The superlative forms of adjectives and adverbs.
fast
short
high
light
tall
slow
直接加- est
heavy easy
happy hungry early
funny
把y 变 i 再加- est
规则变化
A
B
写出下列形容词或副词的最高级
1.creative _________________________ 2.beautifully _______________________
3.big _________________________ 4.funny _________________________
5.quiet _________________________ 6.good _________________________
7.little _________________________ 8.bad _________________________
most creative
most beautifully
biggest
funniest
quietest
best
least
worst
最高级的常用句型（一）
◆ “主语+ be+ the+形容词最高级+in/of 短语”意为
“……是……中最……的”。
◆ “主语+实义动词（+the）+副词最高级+in/of 短语”意为
“……是……中最……的”。
◆ “主语+be+ one of the+形容词最高级+可数名词复数+in/of 短语”意为“……是……中最……的……之一”。
My mother is the busiest one in my family.
The Yangtze River is the longest river in China.
Tom works (the) hardest in Class 3.
Tianjin is one of the biggest cities in China.
large
late
nice
加- st
biggest
thinnest
hottest
wettest
fattest
big
thin
hot
wet
fat
“双写”
最后一个辅音字母再加-est
C
D
最高级的常用句型（二）
◆ “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.
New words
land /l nd/ n. 陆地；土地 v. 降落；着陆
African / fr k n/ adj. 非洲的；非洲人的 n. 非洲人
rose /r z/ n. 玫瑰；蔷薇
peony / pi ni/ n. 牡丹；芍药
lotus / l t s/ n. 莲花
butterfly / b t fla / n. 蝴蝶
wing /w / n. 翅膀；翼
New words
frog /fr ɡ/ n. 蛙；青蛙
weigh /we / v. 有......重；称重量
kg (=kilogram;kilogramme) /b d/ 千克；公斤
ginkgo /ska / n. 银杏
believe /b li v/ v. 相信；认为有可能
province / pr v ns/ n. 省份
原级 最高级
good/well best
bad/badly/ill worst
many/much most
little least
far farthest/furthest
old oldest/eldest
形/副词最高级的构成（不规则变化）
最高级有范围
The blue whale is the largest and the 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.
Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb
3a
Lead-in
——When autumn comes, one of the most popular activities is to take a walk
under ginkgo trees.
Textbook
3a
Read the sentences and notice the words in bold.What are the ways to form a
superlative adjective or adverb
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.
07 Exercise
最高级的常用句型（一）
◆ “主语+ be+ the+形容词最高级+in/of 短语”意为
“……是……中最……的”。
◆ “主语+实义动词（+the）+副词最高级+in/of 短语”意为
“……是……中最……的”。
◆ “主语+be+ one of the+形容词最高级+可数名词复数+in/of 短语”意为“……是……中最……的……之一”。
My mother is the busiest one in my family.
The Yangtze River is the longest river in China.
Tom works (the) hardest in Class 3.
Tianjin is one of the biggest cities in China.
最高级的常用句型（二）
◆ “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.
Complete the Passage
The ginkgo tree is one of 1.__________ living trees on earth. It’s also 2.__________ tree in many Chinese cities—you can see it in streets, parks, and gardens. Many people say autumn is 3.__________ time to visit ginkgo trees, as their leaves are 4.__________ in the year.
Among animals, pandas are 5.__________ in the world. They look 6.__________ with their black-and-white fur. But if we talk about speed, the cheetah runs 7.__________ among all land animals. And elephant birds were 8.__________ and 9.__________ birds ever on earth—some were 3 metres tall!
These plants and animals show nature’s wonders. Protecting them is 10.__________ way to keep our world beautiful.
ancient, beautiful, common, good, popular, cute, high, large, heavy, fast
Complete the Passage
答案：
1.the most ancient（对应课件 3c 及 “one of + 最高级” 结构 ）
2.the most common（对应课件 “one of the most common trees...” ）
3.the best（对应 “good” 的最高级，描述 “最佳时间” ）
4.the most beautiful（描述银杏叶 “最美丽” ）
5.the most popular（贴合熊猫 “受欢迎” 特征 ）
6.the cutest（对应 “cute” 的最高级，描述熊猫外形 ）
7.the fastest（对应猎豹速度，课件 “runs the fastest...” ）
8.the largest（对应象鸟体型，课件 “the largest birds...” ）
9.the heaviest（对应象鸟体重，课件 “the heaviest birds...” ）
10.the best（总结 “保护是最好的方式” ，不规则变化 ）
Textbook
3b
Complete the conversation with the superlative forms of the words in brackets.
1. Among all animals, I love pandas the best. I think they are _________ (cute) animals
in the world.
2. Which do you think is ______________ (beautiful),the rose, the peony, or the lotus
flower
3. Look at that butterfly! It has _______________(colourful) wings.
4. Which animal jumps __________ (high), the lion,the monkey, or the tree frog
5. 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
the most colourful
the highest
the largest
the heaviest
1. Among all animals, I love pandas the best. I think they are _________ (cute) animals in the world.
2. Which do you think is __________________ (beautiful), the rose, the peony, or the lotus flower
3. Look at that butterfly! It has __________________(colourful) wings.
4. Which animal jumps ___________ (high), the lion, the monkey, or the tree frog
5. 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
the most colourful
(the) highest
the largest
heaviest
Complete the sentences with the superlative forms of the words in brackets.
3b
08 家庭作业
Homework
Homework
基础作业：
抄写并背诵不规则最高级表，并用竹子相关词汇造句
提升作业：
用最高级写 5 句关于 “竹子” 的句子
拓展作业：
和家人讨论 “家里最特别的植物”，用英语记录对话（至少 3 句）。

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