English 8
UNIT 7 . POLLUTION

LESSON 3: A CLOSER LOOK 2
Welcome to our class
A Closer look 2
I. Grammar
2. CONDITIONAL SENTENCES TYPE 2
1. Conditional sentences type 1
II. EXERCISES
EX 3, 4 (PAGE 10)
EX 1, 2 (PAGE 09)
I. VOCABULARY
- increase (v) :
tăng lên
# decrease (v):
giảm xuống
- aquatic creatures (n):
sinh vật dưới nước
- reproduce (v):
sản xuất lại
- resident (n):
dân cư
Is the weather beautiful or bad?
It’s beautiful
Where do they go ?
They go on a picnic
The weather is beautiful. They go on a picnic
If the weather is beautiful, they will go on a picnic.

* Conditional sentences type 1: review
If + S + V-s/-es (am/is/are)
(don’t/doesn’t + V),

Main clause
If-clause
II. Conditional sentence type 1
1. Form:
2. Using:
If the weather is beautiful, they will go on a picnic
S + will/won’t + V…
Câu điều kiện loại 1 dùng để chỉ hành động hay sự việc có thể xảy ra ở hiện tại hoặc tương lai
EX : If it rains, I will stay at home
I will stay at home if it rains.
1. Put the verbs in brackets into the correct form.
1. If we (recycle)…………………….. more, we (help) …………………….. the Earth.
2. Factories (not dump) …………………….. waste into rivers if the government (fine)……………... ..them heavily.
3. If people (travel) ………………….. to work by bus, there (be) ……………………. fewer car fumes.
4. We (save) ……………….…. thousands of trees if we
(not waste) …………………… paper.
5. If we (use)…………………… water carefully, more people (have) ……………………. fresh water.

recycle
will help
will not/won’t dump
fines
travel
will be
will save
don’t waste
use
will have
2. Combine each pair of sentences to make a conditional sentences type 1.
Students are more aware of protecting the environment. Teachers teach environmental issues at school.

2. Light pollution happens. Animals change their behaviour patterns.

3. The levels of radioactive pollution decrease. We switch from nuclear power to renewable energy sources.

4. The water temperature increases. Some aquatic creatures are unable to reproduce.

5. People get more diseases. The water is contaminated.
2. Combine each pair of sentences to make a conditional sentences type 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.
→ When light pollution happens, animals will change their behaviour 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.
2. Combine each pair of sentences to make a conditional sentences type 1.
4. The water temperature increases. Some aquatic creatures are unable to reproduce.
5. People get more diseases. The water is contaminated.
→ If the water temperature increases, some aquatic creatures will be unable to reproduce.
→ People will get more diseases if the water is contaminated.
If she were a bird, she would fly in the sky.
Conditional sentences type 2:
III. Conditional sentence type 2
If she were a bird, she would be a dove.
If clause
Main clause
* Form:
If + S + V2/V-ed/Was/Were…,
S + would/should/ could/ might + V…
* Using:
- Câu điều kiện loại 2 dùng để chỉ hành động hay sự việc không thể xảy ra ở hiện tại hoặc tương lai.
- Có thể dùng để chỉ lời khuyên
Ex: If I were you, I would see the doctor immediately.
I would see the doctor immediately If I were you
* Note: I/He/She/It + Was/were
3. Match an If-clause in A with a suitable main clause in B.
4. Put the verbs in brackets into the correct form.
If you (be) …………… the president, what you (do) …………………… to help the environment?
2. They get sick so often. If they (exercise) ……………. more, they (be) ……………….. healthier.
3. If I (have) …………… one million US dollars, I (build) ……………….. more parks in our city.
4. Ngoc’s mother is unhappy. If Ngoc (tidy) …………….. her room every day, her mother (not be) ……………… so upset.
5. There isn’t a garden at our house. If there (be) …………, we (grow) ………………… vegetables.
were
would you do
exercised
would be
had
would build
tidied
wouldn’t be
was / were
would grow
8
2. If I were you,
2
3. If she has time ,
4
The world would
be happier
3
4. If we feel hungry
after that,
9
She will help you
5
I would learn
very hard
1
1. If there were
fewer people ill,
6
He would come
to see you
7
We will eat some
hamburgers
GAME: PELMANISM
Homework:
Learn by heart the vocabulary and the conditional sentences
Do all the exercises
Prepare: Unit 7: SKILLS 1 (Page 12)
Goodbye. See you again
Thanks for your atendance!