Употрeбить Present Tenses (Present Simple, Present Progressive, Present Perfect, Present Perfect-Progressive): 1. He … (to be) on watch. He … (to navigate) the ship. 2. He … just … (to tell) about his voyage. 3. They …(to have) a rest at this moment. 4. This crew always … (to sail) on board ship. 5. He … (to keep) watch for 4 hours. 6. Every morning they … (to discuss) the news. 7. The second mate … (to be) busy now. He … (to revise) the radiogram. 8. The radio-operator … (to transmit) the radiogram today. 9. These cadets … (to study) at the Maritime College for 3 years. 10. The captain … (to define) the ship’s position very often