I Conditional Sentence Type I

1 recycle

2 won't dump

3 will be

4 will save

5 will have

6 continues

7 will help

8 travel

9 don't waste

10 fine

II Put the verbs in brackets into the correct form.

1 studies

2 doesn't hurry

3 will pass

4 will be

5 gives 

6 won't pass

7 doesn't stop

8 is

III Combine each pair of sentences to make a conditional sentence type 1.

1 If teachers teach environmental issues at school, students will be more aware of protecting the

environment.

2  If light pollution happens, animals will change their behaviour patterns.

3 If the levels of radioactive pollution decrease, we will switch from nuclear power to renewable energy sources.

4 If the water temperature increases, some aquatic creatures will be unable to reproduces. 

5 If the water is contaminated, people will get more diseases.

Question I. Put the verbs in brackets into the correct form.
(Chia những động từ trong ngoặc đơn vào đúng hình thức).
1.If we (recycle) ____recycle____ more, we will help the Earth.
2. Factories (not dump) _______won't dump_______ waste into rivers if the government fine them
heavily.
3. If people travel to work by bus, there (be) ______will be________ fewer car fumes.
4. We (save) ________will save________ thousands of trees if we don’t waste paper.
5. If we use water carefully, more people (have) _______will have_______ fresh water.
6. If the factory ( continue) ________continues________ dumping poison into the lake, all the fish and
other aquatic animals will die.
7.If we recycle more, we (help) _________will help_______ the Earth.
8. If people (travel) _______travel_________ to work by bus, there will be fewer car fumes.
9. We save thousands of trees if we (not waste ) ______don’t waste_________  paper.

10. Factories don’t dump waste into rivers if the government ( fine) _______fines________ them
heavily.
Question II. Put the verbs in brackets into the correct form.
(Chia những động từ trong ngoặc đơn vào đúng hình thức).
1. If he (study) ________studies________ harder, he can pass an exam.
2. She may be late if she (not hurry) _______doesn't hurry_________.
3.If you study harder, you (pass) _______will pass_________ the exam.
4. If you are kind to me, I (be) _______will be________ good to you.
5.If he (give) _______gives________ up smoking, as his doctor orders, he will be soon well again.
6. You (not pass) _______won't pass________ your driving test unless you drive more carefully.
7. He’ll be ill if he (not stop) _______doesn't stop_________ worrying so much.
8. We’ll go to the beach tomorrow if it ( be) ________is________ nice.
Question III.Combine each pair of sentences to make a conditional sentence type 1.
(Kết hợp mỗi cặp câu sau để tạo thành câu điều kiện loại 1)
1.Students are more aware of protecting the environment. Teachers teach environmental issues
at school.
If ……teachers teach environmental issues at school , students will be more aware of protecting the environment…
2.Light pollution happens. Animals change their behaviour patterns.
If …light pollution happens, animals will change behaviour patterns…..
3.The levels of radioactive polluion decrease.We switch from nuclear power to renewable
energy sources.
If …the levels of radioactive pollution decrease, we will switch from nuclear power to renewable energy sources.…..
4.The water temperature increases.Some aquatic creatures are unable to reproduces.
If…the water temperature increases, some aquatic creatures will be unable to reproduces...
5.People get more diseases.The water is contaminated.
If …the water is contaminated, people will get more diseases…