Resultados posibles:
tripulaba
-I was manning
Imperfecto para el sujetoyodel verbotripular.
Imperfecto para el sujetoél/ella/usteddel verbotripular.

tripular

Eso quiere decir que el pueblo vasco las armaba, las tripulaba y, al uso de la época, las cedía en alquiler a los reyes y a los extraños.
This means that it was the Basques who made them, crewed them and, as was customary at the time, rented them out to Kings and foreigners.
Tripulaba un velero que se encontraba a la deriva.
He was crewing a sailing boat that was drifted.
Palabra del día
el espantapájaros