1. Match the sentences (1-4) to their purposes (a-d). How is each type of conditional formed? Check in the Grammar Reference section.

1. Conditionals type 1, 2 and 3

1. If you get enough vitamins, you will stay healthy. — c to show a probable situation in the future
2. If I were underweight, I would eat more carbohydrates. — d to show an unreal situation in the present/future
3. If I were you, I would see a dietician. — b to give advice
4. If she hadn't had to work late, she would have cooked dinner. — a to show an unreal situation in the past