资源简介

(共22张PPT)
Unit 4 Amazing Plants and Animals
Section A What can plants and animals do
Grammar Focus 3a-3c
一、语言能力
通过语法表格，引导学生逐步全面掌握最高级的内容。
二、学习能力
引导学生观察与翻译，培养其独立思考和发散性性思维，变被动学习为
主动学习。
三、文化意识
能够根据学习目标和个人情况，选择适合的学习策略，如多观察，多反
思；多记笔记，多背诵等。
四、思维品质
引导与培养学生使用最高级，从而更清楚地表达需求。
What does this video talk about
World's Re cords
世界之最
Read the sentences and notice the words in bold.
What are the ways to form a superlative adjective or adverb
3a
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.
最高级
Write down the original form (原形）.
large-the largest, heavy-the heaviest,
big-the biggest, fast-the fastest,
useful-the most useful,
interesting-the most interesting
smart—smartest fast—fastest
high-the highest short—shortest
fresh—freshest
一般在词尾加est
close-the closest late—latest
nice-the nicest
big—biggest thin—thinnest
fat—fattest hot--hottest
funny—funniest friendly- friendlier
lazy—laziest early--earliest
以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加est
以字母e结尾的词,加st
重读闭音节词只有一个辅音字母时,双写辅音字母,加est
单音节词和部分双音节词
What are the rules to change the superlatives
Grammar Focus
多音节词和部分双音节词
多音节词和部分双音节词,在前加most
What are the rules to change the superlatives
Grammar Focus
comfortable– most comfortable
popular—most popular
carefully—most carefully
quickly- most quickly
Clearly- most clearly
Quietly-most quietly
原级 比较级 最高级
good/well better best
many/ much more most
bad/ ill/ badly worse worst
old older/elder oldest/eldest
far farther/further farthest/furthest
常用的不规则形容词比较级和最高级变化形式
Grammar Focus
3a
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.
通常用于三者或三者以上的范围，of/ in/during 说明比较范围
形容词的最高级前必须有the，副词的最高级前可以省略the;
How do we use superlatives
副词
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.
Make sentences: The first student makes a sentence using the superlative form of an adjective, for example, "She is the most beautiful girl in our class." Then the next student has to start a new sentence with the last letter of the superlative-form adjective in the previous sentence, and so on.
Game time!
For example
She is the most beautiful girl in our class.（l 结尾）
This is the longest river I've ever seen.（g 结尾）
That's the biggest apple on the tree.（g 结尾）
He is the smartest boy in the grade.（t 结尾）
It is the hottest day of this month.（t 结尾 ）
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
Complete the passage with the superlative forms of the words in the box.
3c
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
1.Hainan is a very large Island. It is the second _________
island in China. (large)
2.Our teacher is as ______ as before. (busy).
3.He is __________________ among us. (careful)
4.Li Lei jumped far ______ than Jim. (far)
5.The busier he is, the ________ he feels. (happy)
busy
the most careful
farther
happier
largest
一. 用所给单词的适当形式填空。
Exercises
The Yangtze River is______________________river in the world. (第三长河）
2. The Atlantic is ________________________ ocean in the world. ( 第二大洋）
3. Lin Sen is __________________________ in the class because he never gets to school on time. （最懒的学生之一）
4. Edison was__________________________________in the world. (最伟大的发明家之一）
one of the laziest students
one of the greatest inventors
the third longest
the second biggest
二、 完成句子。
Exercises
三、短文填空：阅读下面短文，从方框中选择适当的词并用其正确形式填空(有一项多余)
Amur tigers are interesting animals. They are the 1. ________ cats in the world. A full-grown Amur tiger can be over 600 pounds. They live 2. ________ .
biggest
alone many old usual dangerous big twenty during good situation hundred
alone
Tigers also have very good eyesight and hearing. Their eyesight is 3. ________ better than humans’.
Amur tigers live in the forests in the Russian Far East and Northeastern China. They have a thick yellow coat. It keeps them warm 4. ________ the long, cold winters in the forest.
much
alone many old usual dangerous big twenty during good situation hundred
during
Amur tigers 5. ________ hunt at night. Sometimes these tigers travel 6. ________ of kilometers to look for things to eat. They hunt small animals living in the forest. They also hunt smaller kinds of bears. A hungry Amur tiger can eat more than 50 pounds in one night.
usually
alone many old usual dangerous big twenty during good situation hundred
hundreds
Today, Amur tigers are in 7. ________ . The number of Amur tigers dropped fast at the beginning of the 8. ________ century. Countries like Russia and China then began to protect these big cats. After that, the number of Amur tigers grew. Scientists believe there are about 540 Amur tigers living in the wild today.
danger
alone many old usual dangerous big twenty during good situation hundred
twentieth
These big cats are still in a difficult 9. __________ . We should try to save these tigers. If we try our 10. _______ , the tigers may live in peace in the future.
situation
alone many old usual dangerous big twenty during good situation hundred
best
Summary
New words
land; African; rose; peony; lotus; butterfly; wing; frog; weigh; kg; ginkgo; province; take a walk
the superlatives
Grammar
(1) 形容词和副词一般具有最高级结构
(2) 最高级的构成：①单音节、双音节、多音节；②规则变化和不规则变化
(3) 最高级的范围：①in+范围；②of+具体成员/同类事物；③among + 同类群体；
④out of + 明确范围；⑤ 定语从句与状语从句
(4) one of 结构
(5) 比较级表达最高级
Thank you for listening

展开更多......

收起↑