Bolsa tells Sancho to continue talking in order to find out the truth, because they are playing the detectives roles.
Ayudándonos cada uno con lo que necesitemos, sigiendo las reglas, <span>Etcetera.
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You use preterite to describe an action that took place and was fully done, Ex. José entro a la habitación, you can see John went into the room, he completed the action. On the other hand, imperfect tense doesn't specificate if the action was completed, Ex. José entraba a la habitación, it doesn't tell us if José fully entered the room.
