Resultados posibles:
desamarraba
-I was undoing
Imperfecto para el sujetoyodel verbodesamarrar.
Imperfecto para el sujetoél/ella/usteddel verbodesamarrar.

desamarrar

Desamarraba los cordones para sacarse una piedra del zapato.
He was untying his shoelaces to get a stone out of his shoe.
Palabra del día
la canela