1. My English teacher asked me yesterday. 2. He often operates the ship, when he is on watch. 3. The ship is often operated by him when he is on watch. 4. Our Radio-officer will transmit a radiogram in 5 minutes. 5. Radiogram will be transmitted by our Radio-officer in 5 minutes. 6. The sailors painted the ship's hull yesterday. 7. The ship's hull was painted by our sailors yesterday. 8. He received the weather information an hour ago. 10. They will launch a new vessel next month. 11. A new vessel will be launched next month. 12. Napoleon invaded Moscow in the 18th century. 13. Moscow was invaded by Napoleon in the 18th century. 14. Admiral Macarov designed the ice-breaker "Yermak". 15 The ice-breaker "Yermak" was designed by Admiral Macarov.