The first conditional or open conditional is used to express a real and possible situation.

In the first conditional, we use a simple present tense in the if-clause and will + infinitive in the other clause.

• If she arrives late, she will not be able to meet father.

Exercise

Complete the following sentences using a first conditional verb form.

1. If Rashmi plays the violin well, …………………………..

2. If you limit your use of plastic, …………………..

3. If you waste water, ……………………

4. If Rohan arrives early, ………………………..

5. If you write a nice story, …………………..

6. If you are late, ………………………

7. If Rani forgets to bring her violin, ………………………..

8. If you look around, ……………………

9. If it rains, …………………….

10. If you drive carefully, ………………………

Answers

1. If Rashmi plays the violin well, she can join our music band.

2. If you limit your use of plastic, you will save the planet.

3. If you waste water, you will not have enough to drink.

4. If Rohan arrives early, we will go to the movies.

5. If you write a nice story, I will publish it.

6. If you are late, I can/will give you a lift.

7. If Rani forgets to bring her violin, we will be in trouble.

8. If you look around, you will find many interesting things.

9. If it rains, our tomatoes will be happy.

10. If you drive carefully, you will reach your destination safely.

Worksheet 2

Fill in the blanks using a first conditional verb form.

1. If you tease wild animals, they …………………………. you. (may attack / might attack / might have attacked)

2. If I have time, I ………………………….. a movie. (will watch / would watch / would have watched)

3. If you learn your lessons thoroughly, you …………………………. good marks. (will get / would get / would have got)

4. If you start now, you …………………………….. the bus. (will not miss / would not miss / would not have missed)

5. If my father learns about this, he ……………………………… angry with me. (will be / would be / would have been)

6. If you ………………………………….. this flower vase, it will break. (drop / dropped / had dropped)

7. If you take all the prescribed tablets on time, you …………………………….. better. (will get / would get / would have got)

8. If you ……………………. a sport, you will become stronger. (play / played / had played)

9. If you ………………………… grudges you will not have any peace of mind. (hold / held / had held)

10. If I have a lot of money, I …………………………. around the world. (will travel / would travel / would have traveled)

11. She will be upset if you ……………………………. her. (do not invite / did not invite / had not invited)

12. She will come if you ……………………………… her. (invite / invited / had invited)

13. If you ………………………. a lot of junk food, you will develop various health problems. (eat / ate / had eaten)

14. She will be angry if you ………………………….. these details from her. (hide / hid / had hidden)

Answers

1. If you tease wild animals, they may attack you.

2. If I have time, I will watch a movie.

3. If you learn your lessons thoroughly, you will get good marks.

4. If you start now, you will not miss the bus.

5. If my father learns about this, he will be angry with me.

6. If you drop this flower vase, it will break.

7. If you take all the prescribed tablets on time, you will get better.

8. If you play a sport, you will become stronger.

9. If you hold grudges you will not have any peace of mind.

10. If I have a lot of money, I will travel around the world.

11. She will be upset if you do not invite her.

12. She will come if you invite her.

13. If you eat a lot of junk food, you will develop various health problems.

14. She will be angry if you hide these details from her.

See also

• Conditional clauses exercise for class 8
• Type 1, Type 2, Type 3 conditional clauses worksheet
• First conditional worksheet for class 8
• First conditional worksheet 2
• Conditional sentences exercise for class 8
• Conditional sentences exercise
• Type 2 conditional exercise for class 8
• Type 3 conditional clauses exercise for class 8
• If clauses exercise for classes 9 and 10