Matching Pairs First conditionalOnline version An activity to practice the first conditional by Andres Rodriguez 1 If you drink a lot of water, 2 If the boy gets a pet for his birthday, 3 If you wear a sweater, 4 If I see Tom tomorrow, 5 If Mary doesn't do her homework, 6 If Helen studies hard, 7 If I win today, 8 If you don't leave now, 9 If Bryan exercises, 10 If it rains today, you will miss your plane. he will be able to compete next week. you won't be cold. I will tell him the good news. she won't learn. she will pass the exam. he will be very happy. I will celebrate. you will be healthy. we won't go to the river.