If they to know about the detour, they to take another route.

If he to charge his phone, he to make the call.

If they to study together, they to learn more.

I to write a thank-you note if I to receive a gift.

If it to be sunny, we to go to the beach.

If you to bring your umbrella, you to stay dry.

We to see the movie if we to arrive earlier.

If he to save his money, he to buy a new bike.

If you to ask me, I to help you.

If she to practice the piano, she to perform better.

He to pass the test if he to study harder.

You to find your keys if you to look in your bag.

If we to leave on time, we to catch the train.

She to catch the bus if she to run faster.