Resultados posibles:
estabas susurrando
-you were whispering
Imperfecto progresivo para el sujeto del verbo susurrar.
estabas susurrando
-you were whispering
Imperfecto progresivo para el sujeto vos del verbo susurrar.

susurrar

Tu amigo con el que estabas susurrando en la cocina.
Your friend you've been whispering with here in the kitchen.
¿Por qué estabas susurrando?
Why were you whispering?
¿Qué le estabas susurrando?
What were you whispering to him?
¿Qué era lo que le estabas susurrando?
What were you whispering about?
Palabra del día
la rebaja