资源简介

(共29张PPT)
Key question
What should we learn about the Earth
Unit 4
The Earth
Lesson 3
There are fields and mountains, rivers and seas, forests and deserts.
Can you describe these photos
There are many different plants. Some are tall, some are small.
Lead-in
There are millions of animals on Earth. Some live on land, some ...
There are many people living on Earth. It provides ... with...
Can you describe these photos
We often use “There is/are...” to say that sth. exists somewhere.
Lead-in
Su Mei and Su Wen are talking about how to protect the sea. Guess what are the missing words and why.
Su Mei: The sea is very important to us. But there is more and more plastic pollution in the sea. What can we do to help protect the sea
Su Wen:There are many things we can do. We shoud organize a Beach Clean-up Day. You see, there are always many bottles and plastic bags, and a lot of other rubbish on the beaches in our area.These things all end up in the sea.
Su Mei: That’s a good idea! Are there any other things we can do to help
Su Wen:Yes,of course, I will send you an article with some good suggestions.
Tip: Pay attention to the underlined nouns and noun phrases.
Grammar：there is/are ...
Presentation
Presentation
plastic pollution
things
plastic bags
bottles
rubbish
Think about the difference:
Presentation
Uncountable nouns
不可数名词
things
bottles
plastic bags
plastic pollution
rubbish
Countable nouns
可数名词
Presentation
常考的
不可数名词
气体：air, oxygen
液体：water, milk, tea, coffee, juice, soup, oil
食物：food, rice, bread, meat, beef, pork
其他：time, money, homework, housework, advice, weather, information, furniture, pollution
You see, there are always many bottles and plastic bags, and a lot of other rubbish on the beaches in our area.
You see, there is always a lot of rubbish, and many bottles and plastic bags on the beaches in our area.
Remember:
There be句型在使用时, 谓语动词的单复数通常遵循
_______________。
“就近原则”
Presentation
Today, there is a lot of pollution.
There are also many people like you and me on Earth.
There are many different plants.
There are different animals on Earth too.
There are forests and rivers, mountains and fields.
Presentation
We use __________ with a singular noun or an uncountable noun.
We use ____________ with a plural noun.
there is
there are
There ______ a pen on the desk.
There ______ two boxes on the desk.
There ______ a pen and two boxes on the desk.
There ______ two boxes and a pen on the desk.
There ______ some water in the bottle.
There ______ some rocks in the bottle.
There ______ some rocks and water in the bottle.
There ______ some water and rocks in the bottle.
is
are
is
are
is
are
are
is
Can you try this exercise
Practice
Presentation
There are mountains and forests on Earth.
变为一般疑问句
Are there mountains and forests on Earth
肯定回答
Yes, there are.
否定回答
No, there aren’t.
Presentation
There is a lot of rubbish.
变为一般疑问句
Is there a lot of rubbish
肯定回答
Yes, there is.
否定回答
No, there isn’t.
Presentation
Are there mountains and forests on Earth
Is there a lot of rubbish
一般疑问句:
Is/Are there +人/物+地点
肯定回答：
Yes, there is/are.
否定回答：
No, there isn't/aren't.
Let's sum up the rules!
Presentation
There is some rubbish.
变为一般疑问句
Is there any rubbish
肯定句中的some在否定句或疑问句中要变为any。
变为否定句
There is not any rubbish.
Practice
Fill in the blanks with correct forms.
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 flying in the air.
(就划线部分提问)
______ ______ birds ______ ______ flying in the air
Are there any
there are
there aren’t
How many are there
Practice
Fill in the blanks with correct forms.
3. There is some ice on the river.(就划线部分提问)
_______ _______ ice _______ _______ on the river
4. There are some apples in the box.
(用a / an替换some改写句子)
There _______ _______ _______ in the box.
5. Is there a piece of paper on the desk
(用three替换a 改写句子)
_______ there _______ _______ of _______ on the desk
Are three pieces paper
How much is there
is an apple
Practice
/ ri sa kl bl we st/
可回收物
/r z dju l we st/
其他垃圾
/fu d we st/
厨余垃圾
/ h z d s we st/有害垃圾
The bins are full at the end of the Beach Clean-up Day. What rubbish is there in each bin
Practice
Discuss in groups and put these items in the correct categories.
Practice
What rubbish is there in each bin Look at the list below and write sentences with there is/ there are.
There is a lot of paper in the blue bin for recyclable waste.
There are some plastic bags in the black bin for residual waste.
1. There is some broken glass in the blue bin for recyclable waste.
Practice
2. There is a lot of paper in the blue bin for recyclable waste.
3. There are some plastic bottles in the blue bin for recyclable waste.
4. There are some clothes in the blue bin for recyclable waste.
5. There are some tin cans in the blue bin for recyclable waste.
Practice
6. There are some plastic bags in the black bin for residual waste.
Practice
7. There are some fish bones in the green bin for food waste.
Practice
8. There are some lithium batteries in the red bin for hazardous waste.
Production
Prepare a speech to ask more people to take part in the Beach Clean-up Day. Work in groups of four and answer the four questions respectively.
S1：Why are you asking people to take part in the Beach Clean-up Day？
S2：What can you see on the beach
S3：What can people do to protect the sea
S4：How can we call for people’s attention
GROUP
WORK
Production
Choose a group member to combine and present your group’s ideas. For example:
Summary
① 如果句子的主语是单数可数名词或不可数名词时，be动词就用is。
There is a table in the room.
There is a little water in the bottle.
② 如果句子的主语是复数名词时，be动词就用are。
There are some pencils on the chair.
there is/are + sth./sb.
单复数保持一致
Summary
肯定句：
There are some beautiful flowers.
否定句：
There aren’t any beautiful flowers.
一般疑问句：
Are there any beautiful flowers
肯定回答：Yes, there are.
否定回答：No, there aren’t.
Summary
6
如果有两个或两个以上的主语时，be动词要和最靠近它的那个主语在数上保持一致。
There is a glass of orange and three tomatoes on the table.
There are three tomatoes and a glass of orange on the table.
这就是
“就近原则”！
We often use there is … or there are … to say that something exists somewhere.
There is
a beautiful world under the water.
a lot of pollution on Earth.
Is there any water in the glass
Yes, there is.
No, there isn’t.
There are different plants and animals on Earth.
Are there five apples in the bag
Yes, there are.
No, there aren’t.
Summary

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