He will be very pleased if it is really true.
If you need help, my father will help you.
If you ask a policeman, he will tell you the way.
I will not require an umbrella if it doesnot rain.
If they catch the bus now, they will arrive at half past nine.
If you want I will come for a walk with you.
If you wait a few moments, the waiter will bring your coffee
If she is patient, I will try to explain.
If we leave at once, we will catch the early train.
If she drinks this medicine, she will feel much better.