Ответ:

1. When I finish my homework, I'll help my parents.

2. If I see my friends at the weekend, we'll go to river.

3. When the summer holidays start, I'll go to my grandmonther in Kharkiv.

4. If the weather is bad tomorrow, I'll probably stay at home.

5. When I'm hungry, I'll go to shop.

6. When I'm older, I'll finish school and go to the university.

7. If I have some free time next week, I'll go to library.

8. If I learn a lot this year, I'll pass my exam.