Conditionals in English: Zero, First, Second, Third & Mixed Conditionals
Grammar / Intermediate English Grammar Quizzes (B1–B1+) / Conditionals Exercises -English Grammar (B1–B1+)
Free downloadable PDF worksheets with answers are available for offline practice.
Quick Rules and Exercises.
Zero Conditional (Facts & General Truths)
👉 If + present simple → present simple
Example- If you heat water, it boils.
First Conditional (Real Future Possibility)
👉 If + present simple → will + verb
Example- If it rains, we will stay home.
Second Conditional (Unreal / Imaginary Present)
👉 If + past simple → would + verb
Example- If I were you, I would apologize.
Third Conditional (Past Unreal Situation)
👉 If + past perfect → would have + past participle
Example- If he had left earlier, he would have caught the train.
No “will” in the if‑clause
✅ Correct: If she calls, I will answer.
❌ Wrong: If she will call…
Choose the correct conditional form (Type 1, Type 2, or Type 3) to complete the sentences.
If it , we will stay home.
If I her, I will tell her the truth.
If they , they would pass the exam.
If I you, I would apologize.
If he had left earlier, he the train.
If she harder, she might get promoted.
If we , we will miss the bus.
If they had invited me, I to the party.
If he too much, he feels sick.
If I more free time, I would learn Spanish.
If she , I will answer.
If we had known about the problem, we .
If you red and blue, you get purple.
If they now, they will arrive on time.
This free PDF includes more exercises with answers. Suitable for students and teachers