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(共20张PPT)
Unit 4 Amazing Plants and Animals
Section A (3a-3c）
Grammar Focus
be able to understand the uses of superlative adjectives and superlative adverbs
know the pronunciations, the spellings, and the meanings of some words and phrases: land, African, rose, peony, lotus, butterfly, ...
In this part, you will
objectives
The sheep is large and heavy.
The cow is _______________.
The horse is the _______________.
larger and heavier
largest and heaviest
The penguin is big.
The elephant is _________.
The blue whale is the _________.
bigger
biggest
The fox runs fast.
The tiger runs ________.
The cheetah runs the ________.
faster
fastest
Superlative (最高级)
Used to compare three or more people,things.
Read the sentences and circle the superlative words.
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.
adjective 形容词
3a
adverbs 副词
副词: fast
Write down the adjectives or adverb in each sentence.
形容词:large
形容词:heavy
形容词:big
形容词:useful
形容词:interesting
形容词(adj)和副词(adv)有最高级的形式
Question: Which parts of speech (词性) have superlative forms
Rule1:
Read the sentences and circle the superlative words.
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.
3a
形容词:large
形容词:heavy
形容词:big
形容词:useful
形容词:interesting
多数单音节，双音节形容词和副词直接在词尾+est
Question 2: When do we add “est” and “the most”
副词:fast
What do they have in common
Rule 2:
在多音节形容词和副词前+the most
提示：观察音节是否是规则变化
What are the ways to form a superlative adjective or adverb
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,先变“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
1) many
much
more
most
2) good
well
better
best
3) bad
badly
ill
worse
worst
4) old
older
elder
oldest
eldest
5) far
farther
further
farthest
furthest
6) little
less
least
①两多
②两好
③三不好
④一老
⑤一远
⑥一少
Complete the sentences with the superlative forms of the words in brackets.
3b
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
Look and say
ancient beautiful common useful popular
I think it’s one of the most beautiful plants.
I think it’s one of the most ancient plants.
Now,let’s talk about an amazing plant--the ginkgo tree! Can you use these words to describe the ginkgo tree
the most ancient
the most beautiful
the best
the most common
the most popular
Topic: An introduction to _________________ Origin (起源) Ginkgo trees first appeared over ___________________________, making them one of _______________________________ on earth.
Importance It is a symbol of ________________________.
A famous tree The old ginkgo tree in the Zhongnan Mountains in ______________ is the most beautiful. The best time to see it is _______________.
Common place As one of the most common trees, people can see ginkgo trees in _______, _______, and _______ across China.
Popular activity When autumn comes, people usually _____________ under ginkgo trees. They believe the bright yellow leaves can bring ____________________.
the ginkgo tree
200 million years ago
the most ancient living trees
hope and long life
Shannxi Province
mid-October
streets
parks
gardens
take a walk
joy to their heart
小组PK赛
Rules ：用最高级描述彼此，每说出一个正确的句子，可得一颗星
Evaluation Stars
Loudly Correct language（内容正确） Good pronunciation（语音语调） Confident
checklist
You can get ___.
the usage of superlative
用 法
表示三者或三者以上（人或事物）的比较，其中一个在某一方面超过比其它几个
形容词的最高级前面一般要加定冠词_______
the
Must do ：Write a short passage about your favorite plants and animals. (Remeber to use superlatives)
Choose to do ：Search for amazing African plants or animals online,then make a short video to introduce them with superlatives.
Homework

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