WELCOME TO OUR CLASS
Unit 6: GLOBAL WARMING
Lesson 2: LANGUAGE
I. Objectives: By the end of this lesson, Ss can:
- For vocabulary, that is words and phrases related to global warming
-For pronunciation, that is intonation in yes-no question and echo-question
- For grammar, that is perfect gerunds and perfect participles
II. Knowledge: Lexical items: solidarity, cooperation, dominate, constitution, principle…
II. Teaching aids: Handout, pictures in the book, pictures, Mart phone, laptop , TV..

Vocabulary : Complete the sentences, using word/phrase in the box




1. Having measured the company`s ________________, they realised that the amount of carbon dioxide (CO2) it produced was great.
2. Scientists have warned about the relationship between climate change and the spread of ___________________.
3. A large amount of carbon dioxide _________________ are released into the atmosphere by burning fossil fuels.
4. Deforestation is one of the biggest environmental threats to the___________________  in the world.
5. As global temperatures rise, there are more cases of _________________.
6. Although global warming is causing changes in weather patterns, it is only one aspect of__________________ .
carbon footprint
ecological balance
heat-related illnesses
infectious diseases
emissions
climate change
Unit 6: GLOBAL WARMING Lesson 2: LANGUAGE 1
Unit 6: GLOBAL WARMING Lesson 2: LANGUAGE 1
II/ PRONUNCIATION: Intonation on yes-no and echo questions: RAISING or FALLING?
1. Do you agree with me? ⤻
2.A: Most of the environmental problems are man-made. B: Man-made?  ⤻
Activity 1: Listen and repeat these sentences,
Yes-no questions:
1. Do you agree with me? ⤻
2. Can you talk about the effects of global warming? ⤻
3. Do you think that we can reduce our carbon footprint? ⤻
4. Is it true that global warming is getting worse? ⤻
5. Are most of the environmental problems caused by humans? ⤻

Unit 6: GLOBAL WARMING Lesson 2: LANGUAGE 1
Activity 2: Echo questions:
1. A:Most of the environmental problems are man-made.
B: Man-made? ⤻
2. A: Scientists are concerned about the effects of global warming.
B: Scientists are concerned about what? ⤻
3. A: I cycle to work every day. B: You do? ⤻
4. A: By 2050, rising temperatures could lead to the extinction of a million species. B: The extinction of a million species? ⤻
5. A: In order to save our environment, we should reduce our use of paper products. B: We should do what?  ⤻
Intonation on yes-no question : RAISING
Intonation on echo questions :RAISING
The structure: having+ past participle
-In the past , a lot of industries denied having contributed to global warming.
-Having treated the environment irresponsibly, humans now have to suffer the effects of global warming.
-Having planned the content, we’re now looking for supporting information.
III. GRAMMAR
Unit 6: GLOBAL WARMING Lesson 2: LANGUAGE 1
1. Perfect participle.
2. Perfect gerund
1. Perfect participle.
* Use: - reduce the clauses of reason (because/since...)
* Form: having + past participle (V3/ed)
Ex: Having worked all day, he feels tired
(Because he worked all day, he feels tired)
*Use:- emphasize what happens before another action (after/then..)
Ex: Having met her parents, she left home.
(After she had met her parents, she left home)
Unit 6: GLOBAL WARMING Lesson 2: LANGUAGE 1
Activity 2: Match the two parts to make complete sentences and rewrite them, using perfect participles.
e
c
a
b
g
h
f
d
Activity 2 (Example): Rewrite them, using perfect participles.
5. Because farmers had been informed about the bad effects of chemical fertilizers, they started using them sparingly on their farms.
 Having been informed about the bad effects ò chemical fertilizers, farmers started using the sparingly on their farms.
Comprehension questions:
How many clauses are there in this sentence?
Which clause points out the reason?
What does “they” replace for?
Does the clause of reason happen before or after the main one?
2
Because farmers had been informed …
farmers
After we identified the causes of global warming, we worked out some solutions to reduce its effects.



2. Since they have used up the fossil fuel resources in their country, they have to find some types of alternative energy.



3. Because local people have cut down the forests to make way for farming, now they have to suffer severe floods.
Activity 2: Match the two parts to make complete sentences and rewrite them, using perfect participles.
Having identified the causes of global warming, we worked out some solutions to reduce its effects.
 Having used up the fossil fuel resources in their country, they have to find some types of alternative energy.
Having cut down the forests to make way for farming, now local people have to suffer severe floods.
After we read the report on how the burning of petrol in cars contributes to climate change, we decided to sell our car and get a bicycle instead.



5. Because farmers had been informed about the bad effects of chemical fertilisers, they started using them sparingly on their farms.


6. After we talked with the environmentalist, we changed our attitude to nature.
Activity 2: Match the two parts to make complete sentences and rewrite them, using perfect participles.
Having read the report on … climate change, we decided to sell our car and get a bicycle instead.
Having been informed about the bad..., farmers started...
 Having talked with the environmentalist, we changed ….
2. Perfect gerund
* Use: The OBJECT of a verb: (deny, admit, forget, mention, remember, recall, regret, hate, escape, dislike...)
* Form: having + past participle (V3/ed)
Ex: She admited not having done homework.
* Use: the OBJECT of a preposition, emphasizing what have been done. (apologise for, accuse of, admire for, congratulation on, thanks for, suspect of, punish for, praise for, criticise for, ....)
* Ex: She apologised for having broken his watch yesterday.
Unit 6: GLOBAL WARMING Lesson 2: LANGUAGE 1
Activity 4: Combine the sentences, using the perfect gerunds.
Example:
Hoa broke the glass. She denied it.

→ Hoa denied having broken the glass
Comprehension questions:
What does “she” replace for?
Hoa
What did she deny ?
Broke the glass
Does “broke the glass” happen before or after “deny”?
1. In the Tree Planting Competition, the students in Group 11G planted the most trees in the schoolyard. They were praised for that.
⇒

2. Someone had cut down the oldest tree in the park. The police suspected Mike of doing it.
⇒ 
3. He had dumped lots of rubbish onto the beach. He denied it.
⇒ 
4. You had saved the lives of hundreds of wild animals. Thank you for that.
⇒ 
5. They had hunted and killed many wild animals. Later they regretted what they had done.
⇒ 
6. The factory had dumped tons of toxic waste into the river. It was heavily fined for that.
⇒ 

The police suspected Mike of having cut down the oldest tree in the park.
Activity 3 (page 9): Combine the sentences, using the perfect gerunds.
He denied having dumped lots of rubbish onto the beach
Thank you for having saved the lives of hundreds of wild animals
They regretted having hunted and killed many wild animals.
The factory was heavily fined of having dumped tons of toxic waste into the river
The students in Group 11G were praised for having planted the most trees in the schoolyard in the TPC.

1.Because I was walking quickly, I soon caught up with her.
A. Walking quickly, I soon caught up with her.
B. To walk quickly, I soon caught up with her.
C. Having walked quickly, I soon caught up with her.
D. Being walked quickly, I soon caught up with her.
2.After fighting the fire for 12 hours, the firemen succeeded in putting it out.
A.The fireman managed in vain to put the fire out after a 12-hour fight.
B.Having fought the fire for 12 hours, the firemen were able to put it out.
C. The firemen wasted 12 hours putting the fire out.
D. Fighting the fire for 12 hours, the fire was put out.
3.I closed all the windows and then locked the door.
A. Having closed all the windows, I locked the door.
B. Having closed all the windows, then the door was locked.
B. Having locked the door, I closed all the windows.
D. Having locked the door, then all the windows were closed.
4.“That policeman had hidden the special statue in a wooden box, but he denied this."
A. That policeman denied to have hidden the special statue in a wooden box.
B. That policeman denied had hidden the special statue in a wooden box.
C. That policeman denied having hide the special statue in a wooden box.
D. That policeman denied having hidden the special statue in a wooden box.
Choose the sentence which is closed in meaning to the original one.

Do extra exercise
Prepare Unit 6 - Language 2