To distinguish between the two types of past we've learned.
To apply these rules to narrating situations, stories and historical eras.
Click "See more" for a more in-depth description of the video!
This video is short with a very visual representation of the preterite vs. imperfect choice. EDIT: she should say "Jugaba al _sport_"
Source: Sarah Beth Wood/YouTube
This video is longer, but has more examples and a different way to figure out if the verb is in the preterite or imperfect tense. You can skim through the first 3 1/2 minutes and get a quick refresher on endings or you can choose to watch the whole things and get a more thorough review before the new material.
Another way to learn the rules for preterite and imperfect! Enjoy.
Source: SlusionProductions/ YouTube