Odpowiedź:
1.If David was paid well, he could afford to go to Australia.
2. If Zack helped me, I would ask him.
3. If my wasn't a pilot, he wouldn't travel around the world.
4. If Tom knew Italian, he would go on holiday to Italy.
5. If they lived closer to the office, they would arrive on time.
Wyjaśnienie:
Sa to zdania w II trybie warunkowym, gdyby zostałby spełniony jakiś warunek, to nastąpiłby jakiś skutek.