Odpowiedź:
1. If you study hard, you will pass the exam.
2. If we won't discover a new form of energy, we will have a lot of problems.
3. I will be very angry if he won't give me the money back.
4. If I will have more time, I will read more books.
Wyjaśnienie:
Powinno być dobrze. Mam nadzieję, że pomogł-m!