EXERCISE 1: Give the correct form of the verb in each bracket.
1. The door will be unlocked if you (press)_________________ the green button.
2. I should have voted for her if I (have) _________________ a vote then.
3. If you go to Paris, where you (stay) ________________?
4. If you (swim) _________________ in this lake, you’ll shiver from cold.
5. If someone offered to buy you one of those rings, which you (choose) ____________?
6. The flight may be cancelled if the fog (get) _________________thick.
7. I would repair the roof myself if I (have) _________________a long ladder.
8. Unless they turn that radio off, I (go) _________________mad.
9. If I were made redundant, I (look ) _________________for another job.
10. We’ll have a long way to walk if we (run) _________________out of petrol here.