What are the rules for preterite versus imperfect tenses?

Question

What uses are the preterite and imperfect tenses used for? For example one is habitual action versus completed action, however i can't remember which way it goes. What other uses are there like those ones that need to be taken into account when conjugating?

Answer 1

SpanishDict has a wonderful learning section, complete with videos, on the preterit and imperfect.

Here's the link if you'd like to check them out:

Lessons 2