3. Put the verbs in brackets into the proper form:
1. Before I (to enter) the Academy I (to study) at college.
2. We (to work) hard before we (to go) on our first shipboard training.
3. When the Boatswain (to come) the sailors (to finish) painting the deck.
4. We already (to translate) the article when the teacher (to come).
5. The ship (to enter) the port after the pilot (to arrive).
6. The radio-officer (to transmit) navigational warnings before we (to enter) the radio-room.
7. We (to come) to the port of Riga before the training ship Professor Khlustin (to leave).
8. After we (to tune) the radio equipment, the ship (to approach) the port.
9. After the Master (to order) we (to change) the ship’s course.
10. Before they (to go) ashore, they (to repair) the engine.
11. We (to require) two tugs before we (to enter) the port.
12. The sailors (to scrub) the deck, after the boatswain (to order).
1. Before I entered the Academy, I had studied at college.
2. We had worked hard before we went on our first shipboard training.
3. When the Boatswain, came the sailors were finishing painting the deck.
4. We had already translated the article when the teacher came.
5. The ship entered the port after the pilot had arrived.
6. The radio-officer had transmitted navigational warnings before we entered the radio-room.
7. We had come to the port of Riga before the training ship Professor Khlustin left.
8. After we had tuned the radio equipment, the ship approached the port.
9. After the Master had ordered, we changed the ship’s course.
10. Before they went ashore, they had repaired the engine.
11. We had required two tugs before we entered the port.
12. The sailors scrubbed the deck, after the boatswain had ordered.
Объяснение: