Describe the action with verb #1
an ongoing action in the past - imperfecto
background information. (used to) - imperfecto
a one time finished action - pretérito
physical description in the past - imperfecto
the beginning of an action - pretérito
repetitive actions in the past with no contextual end - imperfecto
Describe the action with verb #4
Describe the action with verb #6
Describe the action with verb #8
Describe the action with verb #9
Describe the action with verb #12
description of a physical state in the past - imperfecto