Ответ:
1. comes, will go; 7. will buy, gives;
2. doesn`t come, will watch; 8. come, will show;
3. have, will go; 9. will return, ask;
4. have, will stay; 10. will wait, comes;
5. thickens, will put up; 11. will start, rises;
6. finish, will go; 12. finish, will present.
Объяснение: