Put the verb in brackets into the necessary form
1. The lights (to go down) and it (to be) difficult to find the seats in the
theatre hall.
2. When the curtain (to go up), you can (to see) the scenery on the
stage.
3. The car broke down! I normally enjoy (drive), but when things go
wrong, I hate cars.
4. He_________(to be) in boxing since he was 9 years old.