人教（2019）版必修第二册Unit2 Wildlife protection语法Grammar课件（22张PPT）

(共22张PPT)
Period 3 Discovering Useful Structures
Unit 2 Wildlife Protection
Report an ongoing event
What is the rabbit doing
The rabbit is eating carrots.
= Carrots are being eaten by the rabbit.
Explore the rules
Carrots are being eaten by the rabbit.
A book is being read by the girl.
Our fur is being used to make sweaters.
Present Progressive Passive Voice
现在进行时的被动语态
1.定义：________________________________________________
________________________________________________
1.定义：________________________________________________
________________________________________________
表示“某人或某事此时此刻正在被做”，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。
某事正在被做
A basketball is being played by Mike.
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: 特殊疑问词+ 一般疑问句
What is being discussed at the meeting now
1. The plan _______________ this month. (carry out 执行)
计划本月正在执行。
2. Your computer __________________ now.
现在没人修理你的电脑。
3. ____ these fields ___________ this week？
这周有人在给这些地浇水吗？
4. Where ____ you _______________ now？
现在你们在哪里接受面试？
is being carried out
is not being repaired
Are
being watered
are
being interviewed
例：
1. Mary _______________ (interview) now.
2. Look! The baby ___________________ (take care of) by her aunt.
3. The disease _____________ (study) at present by scientist.
is being taken care of
is being studied
is being interviewed
01
表示说话时正在进行的或现阶段正在进行的被动动作。
现在进行时的被动语态，是属于现在进行时，有着现在进行时所有的语法功能。
3. 功能
例：
1.今晚将要举办一场晚会。
An party ___________ (hold) tonight.
2.下面将唱一首民歌。
A folk song ___________ (sing) next.
3.据说下周日早上八点他将开飞机去。
It is said that a plane_______________(fly) by him to America
at eight next Sunday morning.
is being held
is being sung
is being flown
hold- held-held
sing- sang-sung
fly- flew-flown
02
少数及物动词的进行时表示按计划、安排将要承受某个动作
【练习】判断正误。
小王, 过来,有你的电话。
Xiao Wang, come here. You are being wanted
on the phone.
Xiao Wang, come here. You are wanted on the
phone.
一些表示状态、心理活动、拥有、存在等的动词，如have、want、need、love等，一般不用进行时被动语态, 常用一般现在时被动语态表示此时此刻或目前主语承受谓语动词的动作。
03
没有进行时的被动语态
is being attacked
例：
1. 目前这个城市正受到进攻。
The city is under attack at the moment.
2. 桥梁正在建筑中。
The bridge is under construction.
is being constructed
04
be +under/in等介词加名词结构可替换进行时被动语态
Choose the suitable verb form.
I’m (working/being worked) at home today because my office is (painted/being painted).
The alarming report is (written/being written). It will be finished soon.
What part of the city is (attacked/being attacked) now
Right now the deer are (watched/being watcher) over by many volunteers.
Who is (hunting/being hunted) the kangaroos Where are they (hunted/being hunted)
It is reported that living spaces for wildlife are (reduced/being reduced) due to the cutting of trees.
√
√
√
√
√
√
√
Activ. 1
√
The passage is about Liu Tao’s concern of the wetland in his hometown
In the wetland of my hometown, there are many different kinds of animals, including wild birds, fish, snakes, insects and so on. When I was in primary school, I often went there with my friends to watch the birds and study them. That was an interesting place for all of us. But things have begun to change in recent years.
Activ. 2
Activ. 2
Liu Tao’s concern about wetlands in his hometown.
Small birds __________________ (catch) with nets.
are being caught
Wild ducks _______________ (sell) at food markets.
are being sold
Fish and snakes ______________ (kill) for food in restaurants.
are being killed
The wetland ___________________ (destroy). Some parts _________________ (cover) with new house. You can see rubbish everywhere. The wetland _________________ (pollute) seriously every day.
are being destroyed
are being covered
is being polluted
Production
In groups, discuss the questions below. Prepare to give a presentation of your ideas to the class.
1. What do you know is being done in your
neighbourhood to protect animals and plants
2. What suggestions do you have
Useful Expressions:
...is (are) being protected.
It is good for...
It's a wonderful habitat for...
It makes our environment more ...
Sample Conversation
A: What is being done in our neighbourhood to protect animals and plants
B: Well, the old trees in the park are being protected.
A: Oh yes. They are being protected not only because they are very old but also because they are the natural habitat for songbirds.
D: Yes, that would certainly help make the air cleaner for them.
C: That's right. Perhaps they could help protect the birds by making the roads around the park free from cars.
1.现在进行时的被动语态的基本结构
肯定结构 be(am/is/are)being done
否定结构 be(am/is/are)+not+being done
一般疑问结构 be(am/is/are)+主语+being done
特殊疑问结构 特殊疑问词+be(am/is/are)+主语+being done
Summary
（1）表示现在正在进行的被动动作。
（2）少数及物动词的进行时表示按计划、安排将要承受某个动作。
(3)没有进行时的被动语态
(4)表示被动结构“be +under/ in等介词+名词”结构可替换进行时被动语态。
2.现在进行时的被动语态的基本用法
deer n. 鹿 ( pl. deer )
An animal with long legs, that eats grass, leaves, etc. and can run fast. There are many types of deer.
Example sentences：
If we are hunted, many deer will be hurt each day.
Huntsmen chased the deer silently.
New words
a deer park 鹿苑
a herd of deer 一群鹿
kangaroo n. 袋鼠 ( pl. -oos )
A large Australian animal with a strong tail and back legs, that moves by jumping. The female carries its young in a pocket of skin (called a pouch ) on the front of its body.
Example sentences：
Kids love stuff like exploring caves or kangaroo parks.
Kangaroo attacks are relatively rare.
New words
reduce vt. 减少
To make sth less or smaller in size, quantity, price, etc.
Example sentences：
Oil is put in machinery to reduce the friction.
Reduce what you need to do.
New words
reduce waste 减少浪费, 减少废弃物
reduce expenditure 减少开支
due adj.
due to adv. 由于；因为
Example sentences：
We dig a hole, which is not easy, due to roots.
That was made into an office due to its small size.
New words
because of
as a result of
Synonym:
insect n. 昆虫 ( pl. -s)
Any small creature with six legs and a body divided into three parts. Insects usually also have wings. Ants , bees and flies are all insects.
Example sentences：
The traveller's face was covered with insect bites.
He instanced the fly as dirty insect.
New words
insect pest 害虫
insect bite 昆虫咬伤；蚊虫叮咬
neighbourhood n. 临近的地方；街区( pl. -s)
A district or an area of a town; the people who live there. The area that you are in or the area near a particular place.
Example sentences：
The fire alarmed the whole neighbourhood.
My neighbourhood has really been built up.
New words
in the neighbourhood of 大约；在...附近
Homework
Prepare to give a presentation of your ideas next class.
What do you know is being done in your neighbourhood to protect animals and plants What suggestions do you have