Matching Pairs zero and first conditionalOnline version Let's relate columns by pamela sejas 1 If Harry and Ron study hard, 2 If you wear a life,jacket, 3 If a spider appear in front of Ron, 4 If you cut your face, 5 If I feel sick, 6 If you freeze water, he will run away. I go to the doctor. they will pass their exams.. It hurts you. it turns into an ice. you float in water.