(共30张PPT)
Unit 2 Wildlife Protection
Period 3 Discovering useful structures
(人教版2019)必修第 册
二
01
Learning objectives
Content
02
Preparation
03
Practice
05
06
Presentation
07
Production
04
Summary
08
Homework
Assessment
Learning objectives
1. To understand the grammar and know how to use it;
2. To talk about wildlife protection by using the grammar;
3. To arouse students' interest in the grammar.
Let’s watch a short video and answer: What happened to the animals
Preparation
From the video we can see:
Human beings kill wild animals.
Wild animals by human beings.
At present, human race are destroying the environment.
At present, the environment
by human race.
is being destroyed
are killed
Presentation
Besides, human beings are cutting down trees for house building.
Trees by human beings for house building.
are being cut down
Presentation
Nowadays, some factories are polluting the river.
Nowadays, the river by some factories. As a result, animals are losing their habitats.
is being polluted
Presentation
Now, wild animals (kill) by people,
and also their fur (use) to make clothes for humans.
are being killed
表示现在、现阶段的词/短语有:now; at present(目前); these days(这些天来); recently(最近); at this moment(此时此刻)…
is being used
Presentation
(3) What measures are being taken to help them
(2) What is being done to help them
(1) African elephants are being hunted.
Underline the present continuous passive voice in the sentences and discuss its function.
定义:表示“某人/事此时此刻正在被…”,主语是动作的承受者, 表示说话时或现阶段某个被动的动作正在进行。
1. 定义
Presentation
2. 结构
1)肯定形式:am/is/are+being+过去分词
The house is being painted.
2)否定形式: am/is/are+not+being+过去分词
The trees are not being watered.
3)疑问形式: Am/Is/Are+主语+being+过去分词?
Am I being watched over
4)特殊疑问句的形式: 把特殊疑问词放在一般疑问句前面
How many bridges are being built in the village
Presentation
3. 主动语态变被动语态的原则
“三变”
例:They are building nine parks.
原句主语变为by短语
宾语变为主语
谓语由主动变为被动
“三不变”
原句意思不变
原句时态不变
原句主谓宾以外成分不变
Nine parks ______________ by them.
How many parks ______________
are being built
are being built
Presentation
They are hunting Tibetan antelopes.
them .
Tibetan antelopes
are being hunted by
主语
谓语
They
are hunting
Tibetan antelopes
宾语
主语
谓语变被动
(时态不变)
be+being+done+by
宾语
( )
Presentation
用括号内所给动词的正确时态和语态填空。
1. The horses _______________(feed) by the keeper at the moment.
2. The problem on how to protect deer________________(debate) at the meeting now.
3. Almost 50% of the population of red pandas can be found in the Eastern Himalayas. Their homes in the forest _________________(clear) by human activities nowadays. With less than 10,000 of these creatures left in the wild, this is unacceptable.
are being fed
is being debated
are being cleared
Practice
4. 关于在哪儿建厂的问题正在被讨论。
The question about where the factory is going to be built
________________ now.
5. 正在设计一个保护自然资源的项目。
A project about protecting the natural resources ________________.
6. 受到攻击时应保持冷静。
You should stay cool when __________________.
7. 我感到很迷惑,我们商店的商品老是被偷。
I feel very puzzled that the goods in our shop _____________________.
is being discussed
is being designed
are being attacked
are always being stolen
Practice
Practice
Make sentences with the present continuous passive voice according to the picture and the key words.
Play a game
air pollute
smoke give off
The air is being polluted by some factories at present.
Heavy smoke is being given off by the factories.
Practice
Make sentences with the present continuous passive voice according to the picture and the key words.
Play a game
shark catch
hunter fin
The shark is being caught by the hunters for its fin to make profits.
Practice
Make sentences with the present continuous passive voice according to the picture and the key words.
Play a game
rhino rhino horn
Rhinos are being killed by humans for their rhino horns.
Practice
Make sentences with the present continuous passive voice according to the picture and the key words.
Play a game
plastic bottles throw away
pollute plastic rubbish
Plastic bottles are being thrown away into the river.
The water is being polluted by plastic rubbish.
Practice
Make sentences with the present continuous passive voice according to the picture and the key words.
Play a game
ocean pollute
plastic rubbish animal deaths
The ocean is being polluted by a lot of rubbish that causes animal deaths.
Make a speech
Suppose that the Dongguan government is looking for a student to work as an image ambassador(形象大使) of wildlife conservation(保护). Please deliver a speech to raise people’s awareness(意识) of wildlife protection.
Production
Basic information
Current situation(现状)
Protective measures(措施):
also named Chinese tiger
first-class(一级) protective animal
one of the most endangered species
only 20 survive in the wild.
environment ; destroy; human activities
habitat ; damage; people
food ;reduce; people
natural reserve(自然保护区);set up;government
tiger products trading; ban(禁止); law
South China Tiger
华南虎
Production
Basic information
Current situation(现状)
Protective measures(措施):
mainly live in high mountains in Tibet
The pride of HOL XiL (可可西里的骄傲)
have lived on the earth for tens of millions of years
every year over 20000 antelopes; hunt; hunters
Their fur ; use; to make clothes
Their skin ;cut; to make bags
1) protection organization; establish;society
2) illegal hunting; punish; government
Tibetan Antelope
藏羚羊
Production
Good afternoon everyone. My name is xxx, and I am from group xx. I am here to give a speech about..xx..+(Basic information).
Nowadays, something bad is being done to them. For example,
Firstly, _______________________________________________________. Besides, _________________ .
What’s worse ________________ .
However, much is being done to protect the animal .
First of all, _______________.
What’s more, _______________.
All in all, I hope the animal can be well protected.
Practice in your group, and then share to the class.
Production
Accuracy Excellent Good Average(一般)
Fluency Excellent Good Average
Confidence Excellent Good Average
How many times the grammar are used: Performance evaluation (评价):
Production
Great efforts are being made to enable human and wildlife live in harmony.
When the buying stops, the killing can too.
Production
Summary
Assessment
Items Great (5 pt.) Not bad (3 pt.) Try harder
(2 pt.)
I can understand and master the grammar .
I can use the grammar correctly.
I am able to use the grammar to describe things .
I am able to use the grammar to make a speech about wildlife protection.
Points(pt.) _______________in total. Homework
提升作业
Draw a mind map of the grammar.
基础作业
Review grammar and finish grammar exercise in your exercise book.
拓展作业
Use the grammar to make a speech about wildlife protection.
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