Possible Results:
estaba calificando
-I was grading
Imperfect progressive yo conjugation of calificar.
Imperfect progressive él/ella/usted conjugation of calificar.

calificar

Hace tiempo yo estaba calificando aquí unos trabajos académicos (generalmente el estudiante malo utiliza muchos colores para disfrazar la falta de ideas).
Some time ago I was grading here some academic works (the bad student generally uses many colours to mask the lack of ideas).
Word of the Day
to unwrap