Вставьте глагол в нужной форме. 1. If my mom buy the tickets, we … (to go) to the zoo. 2. My Granny … (to visit) us if she feels OK. 3. I will write this test if I … (to learn) the rules. 4. If it … (to rains) tomorrow, we will stay at home. 5. If she … (to pass) the exam, she … (to enter) the University. 6. If you … (to eat) bad food, your health … (to become) worse. 7. If babies … (to be) hungry, they … (to cry). 8. If we … (to be) late for school, our teacher … (to get) angry. 9. If you … (to be) free, I … (to come) to see you. 10. If my friend … (to come) to see me, I … (to be) very glad. 11. If the weather is fine, we … (to go) for a picnic. 12. If you … (not do) exercise, you (to get) bad mark. 13. If you … (to help) me, I … (to be) grateful. 14. When I … (to come) home, I … (to watch) TV. 15. If you (to heat) ice, it (to melt). 16. If I miss the plane today, I … (to stay) at home. 17. We … (to go) to the cinema if she (to come). 18. If he (to study), he … (to pass) the exam. 19. If the weather is good, we … (to walk) our dogs in the park. 20. If a cat … (see) a dog, he … (run) away.