If it rains, we will stay at home.
If I were you, I would study more.
If she studies, she will pass.
If they had left earlier, they would be here.
If you heat water, it boils.
If I had known, I would have told you.
If he works hard, he will succeed.
If we had known, we would have helped.
If she doesn’t eat, she feels hungry.
If I see him, I will tell him.
If they were more careful, they wouldn’t make mistakes.
If you mix red and blue, you get purple.
If I win the lottery, I will travel.
If I have more time, I will visit you.
If I were taller, I could play basketball.