estaban reapareciendo
-they/you were reappearing
Imperfecto progresivo para el sujeto ellos/ellas/ustedes del verbo reaparecer.

reaparecer

Sin embargo, como el Ave Fénix que renace de sus cenizas, el presidente explicó que los luchadores y los revolucionarios reaparecerán y que ellos de hecho ya estaban reapareciendo.
However, like a phoenix rising from its ashes, the President explained that the fighters and revolutionaries would reappear and that they were in fact reappearing.
Palabra del día
el anís