Resultados posibles:
estabas registrando
-you were searching
Imperfecto progresivo para el sujeto del verbo registrar.
estabas registrando
-you were searching
Imperfecto progresivo para el sujeto vos del verbo registrar.

registrar

Y aún así estabas registrando mi habitación.
And yet you were going through my room.
¿Por qué estabas registrando mis cosas?
Why were you going through my things?
¿Estabas registrando mi bolso?
Were you going through my purse?
Palabra del día
la guirnalda