(共30张PPT)
Unit 2
UNIT 2
WILDLIFE PROTECTION
Report an ongoing event
To learn to know the structure of present continuous passive voice
To learn to use present continuous passive voice to describe the ongoing events
To learn to use present continuous passive voice to describe the endangered animals’ conditions and measures taken to help them
Have you still remembered the structure of present continuous tense
Have you still remembered the use of present continuous tense
present continuous tense
am/is/are+doing…
We are doing many things to protect the animals.
We are seeing the Tibetan antelopes next week.
We are observing the Tibetan antelopes these days.
We are doing many things to protect the animals.
We are seeing the Tibetan antelopes next week.
We are observing the Tibetan antelopes these days.
something has not stopped
something will do in plan
something people do in a period of time
the use of present continuous tense
Learn to know the form and function of present continuous passive voice
Underline the present continuous passive voice in the sentences and discuss its function.
African elephants are being hunted.
What is being done to help them
What measures are being taken to help them
am/is/are + being + done
Find more sentences with the same verb form in this unit.
I know that they’re being hunted and their habitat is getting smaller, so they’re in danger of extinction.
Much is being done to protect wildlife, but if we really want to save the planet, we must change our way of life.
the use of present continuous passive voice
Present continuous passive voice is used in the same conditions where present continuous tense is used. But it express a passive voice.
African elephants are being hunted.
=Hunters are hunting African elephants.
What is being done to help them
= What are people doing to help them
What measures are being taken to help them
=What measures are people taking to help them
The sentences are telling the same thing but in two different ways.
现在进行时的被动语态强调主语是动作的承受者,表示说话时正在进行着的被动动作、现阶段正在进行着的被动动作或将要发生的动作。
Use present continuous passive voice in proper forms
Read the background of each sentence carefully to make sure whether it is proper to use present continuous tense.
Analyze the relationship between the subject and its verb to decide whether it is proper to use passive voice.
Choose the suitable verb forms to complete the sentences.
1. I’m (working/being worked) at home today because my office is (painted/being painted).
2. The alarming report is (written/being written). It will be finished soon.
3. What part of the city is (attacked/being attacked) now
4. Right now, the deer are (watched/being watched) over by many volunteers.
5. Who is (hunting/being hunted) the kangaroos Where are they (hunted/being hunted)
6. It’s reported that living spaces for wildlife are (reduced/being reduced) due to the cutting of trees.
n. 鹿
n. 袋鼠
vt. 减少
Check your answers and discuss the differences between the present continuous tense and present continuous passive voice in form and meaning.
Pair Work
Have you visited a wetland
What can you see in the wetland
Why should we set up the wetland
Liu Tao would like to express his concern over the wetland in his hometown. Help him finish the passage with the present continuous passive voice of the verbs in brackets.
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.
n. 昆虫
Small birds ______________ (catch) with nets. Wild ducks _____________ (sell) at food markets. Fish and snakes _____________ (kill) for food in restaurants. And even worse, the wetland _______________ (destroy). Some parts ________________ (cover) with new houses. You can see rubbish everywhere. The wetland ________________ (pollute) seriously every day. I am very worried about it. What can we do
are being caught
are being sold
are being killed
is being destroyed
are being covered
is being polluted
n. 网
Why does Lin Tao use present continuous passive voice in the passage
In what conditions can we use present continuous passive voice when we are expressing our ideas
Use present continuous passive voice to describe wildlife protection in your surroundings
Think about the wildlife in your city.
Find out where the wildlife lives in your city and their living conditions.
Find out what people once did to the wildlife in the past.
Find out what people are doing to protect the wildlife.
In groups, discuss the questions below.
What do you know is being done in your neighbourhood to protect animals and plants
What suggestions do you have
n. 临近的地方;街区
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.
C: That’s right. Perhaps they could help protect the birds by making the roads around the park free from cars.
D: Yes, that would certainly help make the air cleaner for them…
It is reported that living spaces for wildlife are being reduced due to the cutting of trees.
1) reduce vt. to make something smaller or less in size, amount,
or price 缩小; 减少; 降低
e.g. My weight reduces when I stop eating sugar.
It reduces the risks of heart disease.
The new bridge should reduce travelling time (from 50 minutes) to 15 minutes.
Costs on books have been reduced by 20% over the past year.
reduce
reduce ... (from ... ) to ...
把……(从……)减少到……
reduce ... by ... 把……减少了……
【语境应用】根据提示完成句子。
1) The number of the employees ______ ______
_______ ______ (被削减了) 40% in the last five months.
2) The population here has ______ _______ ______ (减少到) fifty thousand now.
has been reduced by
been reduced
to
2) due adj. expected to happen or arrive at a particular time 预定的; 到期的
e.g. The team are due to fly to Italy next month.
该球队预定下个月要飞往意大利。
due to because of 由于;因为
e.g. Many crops were damaged due to the flood.
洪水毁了许多庄稼。
【联想】表示 “由于, 因为”的短语还有:
because of, as a result of, thanks to, on account of, owing to等。
be due to do sth. 预期做某事
be due to sth./sb. 归因于某事/某人; 欠某人……
be due for sth. 应有某物; 应得到某物
【语境应用】根据汉语意思完成句子。
1) The policeman said the accident last night was ______________________.
警察说昨晚的事故是由于粗心驾驶造成的。
2) His new book ___________________ next year.
他的新书预计明年出版。
due to careless driving
is due to be published
Prepare to give a presentation of your idea about the questions in activity 4 to the class next time.