Preterite V.S. Imperfect

Las= differencias entre Preterito y Imperfectivo:

El Verbos, Querer, Poder, Saber, y Conocer en preterito y imperfectivo:

Generally speaking, the preterite is used for actions in the past that are seen as completed. Use of the preterite tense implies that the past action had a definite beginning and definite end.

Generally speaking, the imperfect is used for actions in the past that are not seen as completed. Use of the imperfect tense implies that the past action did not have a definite beginning or a definite end.

• The preterite tells us specifically when an action took place.
• The imperfect tells us in general when an action took place.

Preterite: regular -ar verbs

-é
-aste
-ó

-amos
-asteis

-aron
hablé, hablaste, habló, hablamos, hablasteis, hablaron

Imperfect: regular -ar verbs

-aba
-abas
-aba

-ábamos
-abais

-aban
hablaba, hablabas, hablaba, hablábamos, hablabais, hablaban

 To conjugate regular -er and -ir verbs in the preterite, simply drop the ending (-er or -ir) and add one of the following:

í
iste
ió
imos
isteis
ieron

 To conjugate regular -er and -ir verbs in the imperfect, simply drop the ending (-er or -ir) and add one of the following:

ía
ías
ía
íamos
íais
ían