"were made" - что это за время, какая грамматика?

Похоже на past indefinite

1. we went for a trip up the  nile by  (пароходом  или on на пароходе)  a big boat called felucca. 2. it takes about half an hour to get home by my bike and about twenty minutes by the bus. 3. i  have  often traveled by plane but i've never been to concorde.  4 .  the most comfortable way of traveling is by luxury liner. i'd love to spend a holiday on a luxury liner. 5. this plane flies at  supersonic speed.  6. the bus was so crowded that i could hardly get on (into) it. 7. i followed them in  my car and saw that they jumped out  off the bus and run into the nearest cafe.  8. he went by  plane, the last thing he wanted was to spend ten days on  a boat. 9. the passengers of the plane (пассажиры самолета)  (а если пассажиры в самолете, то on)  were beginning to panic. 10. mr. bixby stepped off  the train and walked quickly to the exit.