estuvieron comiendo
-they/you were eating
Pretérito progresivo para el sujetoellos/ellas/ustedesdel verbocomer.

comer

¿Qué creen que estuvieron comiendo los últimos seis meses?
What do you think you've been eating the last six months?
Estuvieron comiendo, comiendo, comiendo y nosotros no pudimos con ellos; realmente, para ser franca, no se nos da bien.
So they were eating, eating, eating and, but we couldn't cope with them, really, to be very frank, I mean, we're no good.
Palabra del día
el cementerio