Module 2 Unit 3 The Earth Grammar 课件(共24张PPT) 牛津深圳版英语七年级上册

(共24张PPT)
Unit 3 Grammar
Protect the Earth
There is a student on the playground.
There are four students on the playground.
There is some water in the bottle.
There is some waters in the bottle.
There is a water in the bottle.
可数名词前面可加a/an或数字。
可数名词可加-s，变为复数形式。
不可数名词前面不可加a/an或数字。
不可数名词只有单数，不可加-s。
f/fe结尾
改为v再加-es
leaf → leaves
knife →
knives
life →
lives
wife →
wives
一般加-s
desk → desks;
boy →
boys
“辅音字母+y”改y为i再加-es
story → stories
city →
cities
辅音字母+o,
加-es(有生命)/-s (无生命)
potato → potatoes
tomato →
tomatoes
hero →
heroes
photo →
photos
x,s, ch, sh结尾
加-es
box → boxes;
bus →
buses
watch →
watches
可数名词单数→复数
不规则变化
单复同形
Chinese, Japanese, sheep, deer, fish
(“中 骑着 和 去吃 ”)
man →
men
woman →
women
policeman → policemen
policewoman → policewomen
可数名词单数→复数
改oo为ee
foot →
feet
goose →
geese
tooth→
teeth
其它
child →
children
mouse
mice
可数名词单数->复数
集合名词
people (≥2个人，不加-s)
police (≥2个警察，不加-s)
a people / a police
a person / a policeman
two people / two police
two person / two policeman
two persons / two policemen
Young people loves pop music.
Our police works hard to protect the people.
Many people is waiting outside.
可数名词单数->复数
复合名词
两位男学生
two boy students
两位女学生
two girl students
两位男老师
two men teachers
两位女老师
two women teachers
某个国家的人
Chinese (中国 ) →___________ Japanese( 本 ) → ___________ Englishman (英国 ) → ___________ Frenchman(法国 ) → ___________ German(德国 ) → ___________
American (美国人) → __________
诀：中 不变，英法变a为e，
其它大部分加-s。
Chinese
Japanese
Englishmen
Frenchmen
Germans
Americans
抽象/摸不着
love, freedom, luck (运气), help, beauty
music, time
液&气
water, milk, wine, soup, rain, oil
air, smoke
traffic (交通)
细小物
rice, salt, sugar, sand, dirt, dust,
材质
glass, paper, gold, wood (木材)
某些食物
food
bread, cheese,
肉类：meat, chicken, pork, beef
英语中不可数
work, homework, housework
information, news (新闻，消息), money, furniture (家具), weather (天气)
常见的不可数名词
Practice
1. There are three __________ and seven __________ on the grassland
cows, sheeps B. cows, sheep C. cow, sheep D. cow, sheeps.
( )2. There are some ______ waiting outside.
A. German B. American
C. Englishman D. Japanese
a / an /数词 + 量词 + 不可数名词
例：a piece of bread 一片面包
例： two pieces of bread 两片面包
量词：piece (条，片)，glass （玻璃杯），cup （杯），bottle （瓶），box （盒）
既可做可数名词，也可做不可数名词
work表“工作”不可数，表“作品;著作”可数。I have read many works of of Lu Xun
time 表“时间”不可数，表“一段时间；时代”等时可数。e.g., I had a good time during the National Holiday.
chicken表“鸡肉”不可数，表“鸡”时可数。Some people in Hefeng keep chickens in their yard (院子).
不可数名词也有“可数”时
Try to describe them using these quantifiers (量词).
bottle/milk
box/egg
bowl/rice
glass/water
Exercise
1.There is much ______ (bread).
2. I want to have two ______ (cup) of tea.
3. He likes to eat some _____(rice).
4. How _____ (many/much) apples are there
6. How _____ (many/much) time do we have
bread
cups
rice
much
many
Exercise
( )1. How many ______ would you like
A. paper B. bread
C. pieces of papers D. pieces of bread
( )2. Yesterday I went to the supermarket and bought a lot of ______.
A. tomatoes B. potatos
C. vegetable D. meats
Exercise
3. There are ______ and ______ on the table.
A. two boxes apples; four bottle of oranges
B. two boxes apples; four bottle of orange
C. two boxes of apples; four bottles of orange
D. two box of apples; four bottles of oranges
There be …
e.g. There are 1600 students in our school this year.
有
某人/物
（在某地）
（在某个时间）
课室里有5个学生。
There have 5 students in the classroom.
There are 5 students in the classroom.
Common mistakes
The Earth is a beautiful place.
There ____ forests and rivers, mountains and fields. Some places are very hot, and some are very cold.
There _____ many different plants. Some are large. Some are small. All plants need light and water. There ____ different animals on Earth too. Some live on the land. Some fly in the sky. Some live under the water.
There ____ also many people like you and me on Earth. The Earth provides us with air, water and food. It is our home.
Today, there ____ a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants.
We must stop doing these things. It is important for us to protect the Earth for our future.
are
are
are
are
is
There are + 可数名词复数
There is + 不可数名词 / 可数名词单数
There are four apples on the table.
There is a lot of water on Earth.
There is an apple on the table.
There _____many people in the classroom.
There _____ police near our school.
“There is …” or “There are…”
are
are
床底下有一只猫。
There is a cat on the bed.
床底下有一只猫吗？
Is there a cat under the bed
肯定回答：
Yes, there is.
否定回答：
No, there isn't.
一般疑问句：Is there … / Are there ….
肯定回答：Yes, there is. / Yes, there are.
否定回答：No, there isn’t. / No, there aren’t.
There be … 一般疑问句和回答 (p.37)
课室里有一些学生。
There are some students in the classroom.
课室里有学生吗？
Are there any students in the classroom
肯定回答：
Yes, there are.
否定回答：
No, there aren’t.
Jane: (1)__________ pollution in the sea. What can we do to help protect the sea
Danny: (2)___________ many things we can do. We can have a beach clean-up day. You see, (3)___________ always many bottles on the beaches. They pollute the sea.
Jane: That’s a good idea! What else can we do
Danny: We can ask people not to eat shark fin soup. (4)_________ a seafood restaurant near your home
Jane: No, (5)______________. (6)____________ any other things we can do to help
There is
There are
there are
Is there
there isn’t
Are there
Complete their conversation with there is (not), is there, there are or are there.
B
P37
地球上多少水？
How much water is there on Earth
地球上有多少动物？
How many animals are there on Earth
How many … 用于提问可数名词数量
How much … 用于提问不可数名词数量
There be …的特殊疑问句
There ___ water and different plants on Earth.
There ____different plants and water on Earth.
There is/are X and Y, 看X不看Y。
There be …的就近原则
is
are
Practice
根据句意和括号内提示，用 be 动词的适当形式填空。
1. There ______ four seasons in a year.
2. There ______ a basketball under the bed.
3. There ______ (not) any stamps on the envelope (信封).
4. There ______ three glasses of water on the table.
6. There ______ lots of apples in the fridge.
7. There ______ lots of apple juice in the fridge.
8. ______ there any birds in the tree
9. There ______ too many students in the playground.
10. There ______ some tomatoes and beef in the fridge.
11. There ______ some beef and in tomatoes the fridge.
12. --______ there any restaurants near your school
-- Yes, there ______.
are
is
are
are
aren’t
is
Are
are
are
is
Are
are
Practice
1. There are some bottles of milk in the fridge.
(改为一般疑问句并作肯定和否定回答)
______ ______ ______ bottles of milk in the fridge
Yes, ______ ______.
No, ______ ______.
2. There are ten birds in the tree.
(就划线部分提问)
______ ______ birds ______ ______ in the tree
Are there any
there are
there aren't
How many are there
Practice
3. There is some ice on the river.(就划线部分提问)
______ ______ ice ______ ______ on the river
4. ______ there a _____(piece) of paper on the desk
5. ______ there three ______ (piece) of paper on the desk
How much is there
Is
piece
Are
pieces