3.use proper tense forms 1. i (interpret) for you at the conference tomorrow if i ( not already scheduled to work at the un. i have a friend who ( it for you, if she (be, busy. 2. if i ( money, i (backpack) around europe. but, unfortunately, i am broke. 3. if i (have) enough money in my twenties, i ( around europe. but, unfortunately, i was broke. 4. if the price of this tour to gb ( down, more people will buy it.