The key answer of exercise 6

Example answers:

1. If the tickets are not too expensive, I will go to a concert.
2. If I weren’t so tired, I would play with my little sister.
3. If it stops raining, I will go for a jog.
4. My parents would buy a bigger car if they could afford it.
5. If I didn’t have so much work, I would go for a walk.
6. If I didn’t need to study for my exams, I would get a part-time job.