1 If it rains, I won't go for a run.
2 If he exercises more, he will lose weight.
3 If I feel thirsty, I will buy a bottle of water.
4 If you eat too much junk food, you will get ill.
5 If she avoids fizzy drinks, she will be fit and healthy.
6 If I have some free time, l will take up a hobby.
