Resultados posibles:
desenroscabas
-you were unscrewing
Imperfecto para el sujetodel verbodesenroscar.
desenroscabas
-you were unscrewing
Imperfecto para el sujetovosdel verbodesenroscar.

desenroscar

Entonces, saben, cuando terminabas de usarlo, lo desenroscabas.
So you know, when you were done with it, you unscrewed it.
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