All conditionals: Mixed conditionals, alternatives to if

This exercise covers a full range of conditional structures including zero, first, second, third, and mixed conditionals. You will also practise alternatives to if such as unless, provided that, in case, and formal inversions like Had I known or Were he to ask. These forms are useful for expressing possibilities, regrets, hypotheses, and conditions clearly and fluently. Ideal for learners aiming to gain confidence with complex sentence structures in both written and spoken English.

1. _____, he would be leading the project.

If he was more experienced

Were he more experienced

If he would be more experienced

2. _____, she would have passed the exam.

If she had studied harder

Had she studied harder

If she would study harder

3. _____, it melts.

If you heat ice

Were you to heat ice

Had you heated ice

4. _____, please contact reception.

If you should need assistance

Should you need assistance

Unless you need assistance

5. _____, I wouldn't have applied.

If it weren't her encouragement

But for her encouragement

If she had encouraged me

6. _____, we would have gone hiking.

If it hadn't rained

Had it not been for the rain

If it wouldn't have rained

7. _____, she could reach the top shelf.

Were she taller

If she were taller

If she would be taller

8. _____, I would have left later.

If I would have known about the delay

Had I known about the delay

Unless I had known about the delay

9. _____, I might have helped you.

If you had told me earlier

Had you told me earlier

If you would tell me earlier

10. _____, I would reconsider.

If I were being in your position

If I had been in your position

Were I in your position

11. _____, she wouldn't forgive him.

Even if he apologized

If he would apologize

Should he apologize

12. _____, I wouldn’t trust him.

Were I you

If I were you

If I would be you