Здесь необходимо определить, в какое время происходило действие — в прошлом или в процессе в прошлом. Выбор времени зависит от контекста.
- Nobody knows why the Incas left Machu Picchu.
- The ancient Egyptians transported goods by boat.
- Hiram Bingham found towers, temples and even a pyramid in Machu Picchu.
- Christopher Columbus sailed to America.
- They were not playing football at 7:00 yesterday afternoon.
- Arthur became a king.
- When did he die?
- Native Americans respect the environment.