Ответ:
1. If you donʹt study, you wonʹt pass the exams.
2. If he had enough money, he would buy a burger.
3. If you donʹt put your coat on, youʹll catch a cold.
4. If she hadnʹt fallen over, she wouldnʹt have broken the plates.
5. If he hadnʹt played with matches, he wouldnʹt have burnt his finger.
6. If you drop ice in water, it floats.
Надеюсь поможет!