Conditional Sentences Quiz: If Clauses

This is a conditional sentences quiz to test you on the zero, first, second and third conditionals, also known as 'If' Clauses. Submit your answers and get a score.

Learn about conditional sentences before you take the quiz if you are unsure about them.

Conditional Sentences Quiz

Multiple Choice

Instructions

These are a mix of zero, 1st, 2nd, and 3rd conditional sentences. Decide which clause fits to make it a correct full sentence. In some sentences the 'if' clause comes first, in others it is in the second part of the sentence.

1. If it rains tomorrow,

we stayed inside.

we would have stayed inside.

we will stay inside.

Correct!

Wrong!

The First Conditional is used to talk about real and possible situations in the future. The structure is: If + Present Simple, will + base verb

2. She would have passed the exam

if she had studied harder.

if she studies harder.

she studied harder.

Correct!

Wrong!

The Third Conditional is used to talk about past situations that did not happen and their possible outcomes. The structure is: If + past perfect, would have + past participle

3. She would take the job

if she needed the money.

if she needs the money.

if she had needed the money.

Correct!

Wrong!

The Second Conditional is used to talk about hypothetical or unlikely situations in the present or future. The structure is: If + past simple, would + base verb

4. If he calls me,

I would answer the phone.

I will answer the phone.

I would have answered the phone.

Correct!

Wrong!

The First Conditional is used for future real possibilities. The structure is: If + Present Simple, will + base verb

5. If you heat water to 100°C,

it boiled.

it will have boiled

it boils.

Correct!

Wrong!

The Zero Conditional is used to talk about general truths or facts that are always true. The structure is: If + Present Simple, Present Simple

6. They would have arrived on time

if they had left earlier.

if they left earlier.

if they would leave earlier.

Correct!

Wrong!

The Third Conditional is used to discuss past unreal situations and their possible outcomes. The structure is: If + past perfect, would have + past participle

7. We would have left earlier

if we know about the traffic.

if we will know about the traffic.

if we had known about the traffic.

Correct!

Wrong!

The Third Conditional is used to discuss past unreal situations. The structure is: If + past perfect, would have + past participle

8. If I won the lottery,

I will travel the world.

I would travel the world.

I travel the world.

Correct!

Wrong!

The Second Conditional is used for hypothetical or unlikely present or future situations. The structure is: If + past simple, would + base verb

9. If she is late,

we started without her.

we will start without her.

we would have started without her.

Correct!

Wrong!

The First Conditional is used to express real future possibilities. The structure is: If + Present Simple, will + base verb

10. You get green

if you will mix blue and yellow.

if you mixed blue and yellow.

if you mix blue and yellow.

Correct!

Wrong!

The Zero Conditional is used for general truths or scientific facts. The structure is: If + Present Simple, Present Simple

11. If she doesn’t answer soon,

we would call her again.

we will call her again.

we call her again.

Correct!

Wrong!

The First Conditional is used to express real and possible future situations. The structure is: If + Present Simple, will + base verb

12. I would have gotten home earlier

if I hadn’t forgotten my keys.

if I didn’t forget my keys.

if I forget my keys.

Correct!

Wrong!

The Third Conditional is used to talk about past unreal situations. The structure is: If + past perfect, would have + past participle

13. If you exercised regularly,

you would be healthier.

you will be healthier.

you are healthier.

Correct!

Wrong!

The Second Conditional is used for hypothetical or unlikely situations in the present or future. The structure is: If + past simple, would + base verb

14. He wouldn’t have made a mistake

if he listens to the instructions.

if he listened to the instructions.

if he had listened to the instructions.

Correct!

Wrong!

The Third Conditional is used to talk about past unreal situations and their possible outcomes. The structure is: If + past perfect, would have + past participle

15. I will go for a run

if I wake up early.

if I woke up early.

if I had woken up early.

Correct!

Wrong!

The First Conditional is used to describe a real situation in the future. The structure is: If + Present Simple, will + base verb