WORKBOOK PAGE 45, EXERCISE 1.
1. If you don't study, you won't do well in the test.
2. If I had more money, I wouldn't have to buy a second-hand motorbike.
OR: If I had more money, I would buy a new motorbike.
3. Grace would go to the beach if it weren't too cold.
OR: Grace would go to the beach if it were warmer.
4. Unless we go to a vegetarian restaurant, Sam won't join us.
5. If I weren't on a diet, I could eat this cake.
6. As soon as I arrive, I'll call you.