estaban rotando
-they/you were rotating
Imperfecto progresivo para el sujetoellos/ellas/ustedesdel verborotar.

rotar

Estaciones estaban rotando y ahora el otoño había venido.
Seasons were rotating and now autumn had come.
Los bordes exteriores de la masa estaban rotando con miles de seres a un ritmo nauseabundamente rápido.
The outer edges of the mass were revolving with thousands of beings at a nauseatingly fast pace.
Palabra del día
la luna llena