P 57 UNIT 7 . POLLUTION
LESSON 3 : A CLOSER LOOK 2

I. Câu điều kiện loại 1: review
Ex 1. Put the verbs in brackets into the correct form.
recycle
1. If we (cycle)……………………..
more, we (help)
will help
……………………..
the Earth.
2. Factories (not dump) ……………………..
will not/won't dump waste into rivers
if the government (fine)……………...
..them heavily.
fines
travel
3. If people (travel) …………………..
to work by bus, there
(be) …………………….
fewer car fumes.
will be
will save
4. We (save) ……………….….
thousands of trees if we
(not waste) …………………………
paper.
don't waste
use
5. If we (use)……………………
water carefully, more people
(have) …………………….
fresh water.
will have

2. Combine each pair of sentences to make a conditional
sentences type 1.
1. Students are more aware of protecting the environment.
Teachers teach environmental issues at school.
Students
will be more aware of protecting the environment
………………………………………………………………
if teachers
teach environmental issues at school.
………………………………………………………
2. Light pollution happens. Animals change their behaviour
patterns.
………………………………………………………………
 If / When light pollution happens, animals will change
…………………………………………………………
their
behavior patterns.
….

3. The levels of radioactive pollution decrease. We switch
from nuclear power to renewable energy sources.
 The levels of radioactive pollution will decrease , if we
…………………………………………………………………
switch
from nuclear power to renewable energy sources.
………………………………………………………….
4. The water temperature increases. Some aquatic creatures are
unable to reproduce.
…………………………………………………………………
 If the water temperature will increase, some aquatic
………………………………………………………….
creatures
will be unable to reproduce.
5. People get more diseases. The water is contaminated.
…………………………………………………………………
 People will get more diseases if the water is
………………………………………………………….
contaminated.

II. CONDITIONAL SENTENCES TYPE 2: Câu điều kiện
loại 2

-diễn tả sự việc không có thật ở hiện tại hoặc tương lai
If + S + V (qk đơn),
S + would / could / might + V1
M.đề phụ (chứa If-quá khứ đơn)
M.đề chính
Example: If it wasn't noisy here, I could hear you clearly.
(But it's very noisy in here)
- Sử dụng như 1 lời khuyên
Example: I were you, I would see the doctor immediately.
Note: We can use both was and were with I / He / She / It in
the If clause.

Ex 3. Match an If clause in A with a suitable main clause in
B.
A
1. If I were you,

B
a. What would happen?

2. If Lan wasn't ill,

b. I'd look for a new place
to live.

3. If there were fewer cars
on the roads,

c. She would join our tree
planting activity.

4. If people really cared
about the environment,

d. There would be less
pollution.

5. If there was no fresh
water in the world, they
wouldn't dump waste into
the lake.

e. They wouldn't dump
waste into the lake.

Ex 4. Put the verbs in brackets into the correct form.
were
1. If you (be) ……………
the president, what you (do)
would you do
……………………
to help the environment?
exercised
2. They get sick so often. If they (exercise) …………….
would be
more, they (be) ………………..
healthier.
had
3. If I (have) ……………
one million US dollars, I
would build
(build) ………………..
more parks in our city.
4. Ngoc's mother is unhappy. If Ngoc (tidy)
tidied
……………..
her room every day, her mother (not
wouldn't be so upset.
be) ………………
5. There isn't a garden at our house. If there (be)
was / were we (grow) …………………
…………,
vegetables.
would grow

Ex 5. Write a conditional sentence type 2 for each
situation, as in the example.
1. People throw rubbish in the street. The street doesn't
look attractive.
If people didn't throw rubbish in the street, It would
2.
There
are so many billboards in our city. People can not
look
attractive.
enjoy the view.

3. There is so much light in the city at night. We can not
see the stars clearly.

4. We turn on the heater all the time. We have to pay three
million dong for electricity a month.

5. The karaoke bar makes so much noise almost every
night. The residents complain to its owner.

6. She has a headache after work every day. She works in a
noisy office.


Homework:
- Learn by heart the grammar
- Do the exercises B5,6- 5 (Workbook)
B3,4- 4,5 (Exercise notebook)
- Prepare: Unit 7 (Communication)