1 If people don't drink, they die.
2 If you eat bad food, your health becomes worse.
3 If you don't feel well, you go to the doctor.
4 If babies are hungry, they cry.
5 If I am thirsty, I always drink fresh water.
6 If Tom has a birthday party, he usually invites a lot of friends.
7 If Mary does her homework well, her teacher always praises her.
8 If I have a headache, my mother usually gives me some medicine.
9 If I cough, I drink hot milk with honey.
10 If you fly by a budget airplane, you have to pay for your drinks and food.
11 If we are late for school, our teacher gets angry.