Keys to Understanding the Indefinite-Imperfect Contrast

The material uses a very effective approach, focusing on the uses and contrasts of both verbal tenses, which is vital for the communicative method. Instead of focusing solely on memorizing endings, clear guidelines are offered for contextual use.

Pretérito Imperfecto (Imperfect Past): It is used to describe the context (how people, places, things were or were feeling...) and to talk about unfinished actions (habitual or without a precise end) in the past. Its main uses are descriptions, unfinished actions, habitual actions, and actions in progress.

Pretérito Indefinido (Indefinite Past or Simple Perfect): It is used to talk about finished actions in the past, visualized as a "photograph, a frozen image of something that happened." It is crucial for specific actions or successive actions.

Furthermore, the important combination of both tenses is addressed: if a specific action (indefinite) interrupts an action in progress (imperfect), as in the example: Cuando iba en el tren, sonó el teléfono (When I was going on the train, the phone rang).

Download (contraste-imperfecto-indefinido.pdf)