资源简介

Unit 5 Love Mother Nature!
In this unit, you will learn to:
● talk about nature.
● enjoy the beauty of different natural places.
● use a chart to compare and contrast.
● use picture clues to guess the meaning of new words.
● make a class booklet about nature.
Big Questions: What can we find in nature?
Unit 5 Love Mother Nature!
Exploring the Topic
Grammar in Use
This is our plane - Earth.
We share the Earth with different animals and plants.
Let's look at some animals. Do you know their names ?
an ant
an elephant
an owl
a cat
a panda
a bear
What's this ?
What color are the animals ?
an ant
an elephant
an owl
The ant is red.
The elephant is gray.
The owl is brown.
a cat
a panda
a bear
The cat is gray.
The panda is black and white.
The bear is brown.
We use a , an and the before the nouns.
an ant
an elephant
an owl
The ant is red.
The elephant is gray.
The owl is brown.
a cat
a panda
a bear
The cat is gray.
The panda is black and white.
The bear is brown.
冠词
1. 冠词的定义：
冠词是一种虚词，常放在名词前面，用来说明名词所指的人或事物。表示“个、一个”，或者表示“这个、那个”
冠词本身不能单独使用，在句子中一般不重读。
冠词
an ant 一只蚂蚁
the ant 这只蚂蚁
a cat 一只猫
the cat 这只猫
定冠词
零冠词
不定冠词
2
1
3
冠词
2. 冠词的分类：
冠词
a/an
the
没有冠词
不定冠词
不定冠词a/an
不定冠词 a / an 用于可数名词单数前，表示泛指某一类事物中的“一个”。
an apple
an egg
a tree
a flower
观察 a 和 an 的区别
an apple
an egg
an orange
an ice-cream
an umbrella
a book
a cake
a monkey
a dog
a shark
Tips
an apple
an egg
an orange
an ice-cream
an umbrella
a book
a cake
a monkey
a dog
a shark
元音字母前用an ?
区别不定冠词a 和 an
看
发
音
a 用在辅音音素开头的单词或字母前。
an 用在元音音素开头的单词或字母前。
小窍门：
遇到不会读的单词时，
· a 用在辅音之前，
· an 用在元音(a, e, i, o, u )之前
填一填
_____ desert _____ animal _____ hill _____ elephant
_____ house _____ window _____ egg _____ orange
_____ effort _____ result _____ point
a
an
a
an
a
a
an
an
an
a
a
如：an umbrella an uncle an ugly girl an unhappy boy
a university a uniform a unit a useful book
发_________ 用 _____ （a/an）
发_________用 _____ （a/an）
注意
/ju:/
/?/
a
an
记住看发音！！！
不定冠词a/an的用法
1. 表示数量，含有“一”的意思。
I have a dog. 我有一只狗。
2. 表泛指，首次提到的一个人或物。
There is a girl over there. She is happy. 那边有个女孩，她很开心。
3. 用在单数可数名词前表示这一类别，此时a/an可以不用翻译。
A cat is a kind of pet. 猫是一种宠物。
4. 指某人或某物，但不具体指明哪个人或物。
A girl is waiting for you. 有个女孩在等你。
5. 用于固定搭配中：
a little 一点儿 a lot of 许多 a few 几个
Activity 2 Complete the table with proper articles.
{5940675A-B579-460E-94D1-54222C63F5DA}Indefinite articles
a
_____ cow _____ desk _____ book _____ helpful book
1. There is _____ new plant on the table.
2. The lake is hard to find. You can take _____ map with you.
an
_____ egg _____ old man _____ hour _____ apple
1. This is _____ elephant.
2. It’s _____ interesting film. It’s about animals.
a
a
a
a
a
a
an
an
an
an
an
an
定冠词
1. 不论是单数名词还是复数名词，也不论是可数名词还是不可数名词，其前均可用定冠词the。
2. 目的是对名词做个记号，表“特指”，译为“这个，那个，这些，那些”。
定冠词 the
the
+ 单数名词
+ 复数名词
+ 不可数名词
特指“这个.../那个...”
特指“这些.../那些...”
特指“这.../那...”
定冠词 the 的用法
1. 特指某(些) 人或某(些) 事物。
The bag on the desk is mine. 桌子上的书包是我的。
2. 指双方都知道的人或事物。
How much is the basketball? 这个篮球多少钱?
3. 指上文提过的人或事物。
I bought a book yesterday. The book is about history.
昨天我买了一本书，这本书是关于历史的。
4. 用在世界上独一无二的事物前。
The sun is bigger than the moon. 太阳比月亮大。
5. 用于西洋乐器前，表示“弹奏…乐器”
play the violin 拉小提琴 play the guitar 弹吉他
Activity 2 Complete the table with proper articles.
{5940675A-B579-460E-94D1-54222C63F5DA}Definite articles
the
1. _____ panda over there is Huahua.
2. There are many stars in _____ sky.
3. I am reading a book. _____ book is about nature.
4. I like playing _____ guitar. It makes me feel happy.
The
the
The
the
名词是秃子，需要戴帽子；
可数名词单，需用a和an;
辅音前用a, 元音前用an;
若为特指时，要用定冠the;
碰到代词时，冠词均不现。
冠词用法口诀
拓展-零冠词
零冠词的用法
1. 球类运动和棋类游戏前不用冠词。
play football 踢足球 play basketball 打篮球 play soccer 踢足球
play chess 下棋
2. 表示星期几、月份、季节等名词前，一般不用冠词。
Monday is the second day of a week. 星期一是一周的第二天。
I like spring best. 我最喜欢春天这个季节。
3.表示抽象概括意义时，不可数名词和复数名词前不用冠词。
Books are my best friends. 书是我的好朋友。
4. 一日三餐前不用冠词。
It's time to have lunch now. 现在是该吃午饭的时间了。
5. 抽象名词、专有名词和物质名词前一般不用冠词。
Man needs air and water. 人类需要空气和水。
Let's do some exercises !
Fill in the blanks with a , an or the according to the pictures.
—What can you see in the picture?
—I can see____ plant. ____ plant needs three things to grow: sunlight, soil and water.
A
a
Fill in the blanks with a , an or the according to the pictures.
—What can you see in the picture?
—I can see____ egg and____ ball.
_______ egg is small, but ______ ball is big.
an
a
The
the
指上文提过的蛋
Fill in the blanks with a , an or the according to the pictures.
—What can you see in the picture?
—I can see____ man is looking at
____ pictures about nature.
He likes ____ pictures.
a
the
the
指上文提过的画
特指那幅画
二、用恰当的冠词填空
1. There is____football and____basketball on the playground.
2. That is____apple.
3. This is____interesting movie.
4. Do you see______tree over there?
5. Small windows in deserts keep out _____sun.
6. I'm doing my homework. ________homework is about rainforests.
7. She plays_____guitar every day.
8. He plays _____soccer every day.
a
a
an
an
the
the
The
the
不填
Activity 3 Read the text and fill in the blanks with a, an, or the.
a/the
a/the
the
an
an
a
Talk about four seasons in your hometown.
We can fly a kite in spring.
We can have a picnic in fall.
What can you do in spring / summer /fall /winter ?
We can go skiing in winter.
We can go swimming in summer.
can/can’t
情态动词 can 的用法
1. can: 表示能力，意为“ 能、会 ”。
I can play the guitar. 我会弹吉他。
He can swim. 他会游泳。
观察
1. I can play chess.
2. You can sing.
3. He can run fast.
4. She can paint well.
5. We can read with feeling.
6. They can speak English.
但 can 没有变
注意1：can没有人称和数的变化
人称和数变化了
观察
1. I can play chess.
2. You can sing.
3. He can run fast.
4. She can paint well.
5. We can read with feeling.
6. They can speak English.
注意2：can 后面＋动词原形
Look at the pictures and read the sentences. Pay attention to the modal verb can and its negative form can’t.
can 变否定方法：直接在can后加not，可缩写成can't.
观察can的否定句
观察can的一般疑问句
1. He can run fast.
2. She can sing well.
3. They can play soccer.
肯定句
1. Can he run fast? Yes,I can./ No, he can’t.
2. Can she sing well? Yes,she can./ No,she can’t.
3. Can they play soccer? Yes,they can./ No,they can’t.
一般疑问句
can 变一般疑问句的方法：将 can 提到句首。
肯定回答：Yes, sb can.
否定回答：No, sb can’t
找出下列句子的错误并改正。
1. Lucy cans sing.
2. Tom can sings well.
3. They can plays the guitar.
4. The boy can reads with feeling.
can
sing
play
read
Activity 2 Complete the table.
{5940675A-B579-460E-94D1-54222C63F5DA}Can/Can’t
1. Can pine trees grow very tall?
Yes, they can.
2. Can a shark swim?
_____, it _____. But it can’t climb.
3. Can butterflies jump?
_____, they _____. But they _____ climb.
4. Can a duck fly?
_____, it _____. But it _____ fly very high.
5. Plants and animals ______ live together in nature.
Yes
can
No
can’t
can
Yes
can
can’t
can
Activity 2 Ask and answer questions in pairs.
看微课，理解can 的用法
完成 can 的思维导图
can
定义
注意
变句型
表示：____________________________
can 没有 ______________
can 后加 ______________
变否定句： ________________________
变一般疑问句： ____________________
能力，意为“ 能、会 ”
人称和数的变化
动词原形
直接在can后加not，可缩写成can't
将 can 提到句首
Activity 3 Read the text and fill in the blanks with can or can’t.
can’t
can
can
can
can’t
can
Activity 3 Complete the panda Menglan’s name card.
Name:_________________
Ability:_________________
_________________
_________________
Tips for visitors:
_______________________
Menglan
can climb high
can play with his toys
can understand his name
CANNOT feed or go very near him
Activity 3 Introduce the panda to the tourists according to it.
Let's do some exercises !
1. Tom can play ping pong .（改为否定句）
___________________________
2. Ella can play the violin .（改为一般疑问句并作肯定回答）
___________________________
3. The little girl can play the drums.( 对画线部分提问）
___________________________
4. The boys can play soccer .（改为一般疑问句）
___________________________
5. Can you help the kids swim ?（作肯定回答）
___________________________
6. She can dance.（改为否定句）
___________________________
Tom can’t play ping pong .
Can Ella play the violin?
Yes, she can.
What can the little girl do ?
Can the boys play soccer ?
Yes, I can.
She can’t dance.
Exercise
Summary
We learn:
1. the rules of using indefinite articles and definite articles.
2. how to use the modal verb can and its negative form can’t.
We can:
describe the activities in four seasons and the skills of animals.
Homework
You should
You may
review rules of articles and the modal verb can or can’t.
1. draw a thinking map to show the rules of indefinite articles and definite articles.
2. write a short text about the skills of your favorite animals.

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