If you feel sick, you must stay in bed.
If I have time, I’ll call you.
If it is warm tomorrow, we'll go to the beach.
If he doesn't do his homework, he can not go to the party.
If you spend more than you earn, you'll become a poor man.
If she has enough money next year, she’ll buy a motorbike.
If he is busy now, I will come back tomorrow.
If she doesn't call you, you can call her.
If it rains today, I'll stay at home.
If they don't want to go out, they can stay home.
If it is cold, you must wear warm clothes
If you pay now, you'll get a discount.
If I have time, I'll visit my parents this afternoon.
If you drink too much, you'll get drunk.
If we don't hurry, we'll miss our bus.
If you work hard, you may become a millonaire someday.
