Conditionals Quiz - English Grammar

1. Which conditional is used for general truths and scientific facts?

Zero Conditional

First Conditional

Second Conditional

Third Conditional

2. Complete the sentence: "If you heat water to 100°C, it _______."

will boil

boils

would boil

boiled

3. Which sentence uses the First Conditional correctly?

If it will rain, I'll stay home.

If it would rain, I'll stay home.

If it rains, I'll stay home.

If it rained, I'll stay home.

4. "If I were you, I'd accept the offer." This is an example of:

First Conditional

Second Conditional

Third Conditional

Zero Conditional

5. Complete: "If I _______ a million dollars, I'd buy a house."

have

will have

had

would have

6. The Third Conditional is used to talk about:

Real future possibilities

General truths

Imaginary present situations

Imaginary past situations

7. Complete: "If I _______ harder, I would have passed the exam."

studied

had studied

have studied

would study

8. "Unless" means the same as:

if

when

if not

because

9. Which conditional should be used for this situation: "I don't have a car, so I can't drive to work"?

First Conditional

Zero Conditional

Second Conditional

Third Conditional

10. Complete: "If you _______ this button, the machine starts."

press

will press

pressed

would press

11. What is the structure of the First Conditional?

If + Past Simple, would + base verb

If + Present Simple, will + base verb

If + Past Perfect, would have + past participle

If + Present Simple, Present Simple

12. "If I had known about the party, I would have come." This expresses:

A real future possibility

A general truth

An imaginary present situation

Regret about the past

13. Which modal verb can replace "will" in a First Conditional sentence?

would

had

were

can

14. "I'll take an umbrella in case it rains." What does "in case" mean here?

if

because it might (precaution)

unless

when

15. Complete: "If I _______ medicine, I would be a doctor now." (Mixed Conditional)

studied

have studied

had studied

would study

16. When the if-clause comes first in a sentence, what punctuation is needed?

A semicolon

A comma

A period

No punctuation

17. Which is INCORRECT?

If I were rich, I'd travel.

If I was rich, I'd travel.

If I would be rich, I'd travel.

If I had money, I'd travel.

18. Complete: "She won't pass _______ she studies."

if

when

unless

in case

19. What's the difference between First and Second Conditional?

First is past, Second is present

First is real/possible, Second is unreal/unlikely

First uses "would", Second uses "will"

There is no difference

20. Complete: "If we _______ earlier, we wouldn't have missed the train."

leave

left

have left

had left