Ответ:1 if he doed these exercises, he will be free.
2 if i do not help him, hewill not write a control work.
3 if he does not go to the library, he will stay at home.
4 if we are at home, we will watch this film on TV tomorrow.
5 if the weather is good, we go outside.
Объяснение: в 1 conditional в придаточной части (if) мы используем настоящее время, а в главной - будущее