Lesson 1: The Verb "Saber" [to know facts/information/how to] in the Preterite

http://www.youtube.com/watch?v=JmYwVnZjR-c

Lesson 2: Song to Remember Irregular Verbs in the Preterite Tense

http://www.youtube.com/watch?v=iFUAWMMdE7c