Pensar que and Pensar with infinitives
Pensar is an e>ie stem-changing verb with some very interesting uses. It means "to think", but it can also be used to express a desire or plan to do something in the future, and to express opinions. Here are some resources for you.
Online activities from the Realidades textbook
Book 1 Chapter 7A p. 330
Grammar video: Stem-changing verbs - pensar, querer, preferir
Excellent grammar explanations with video
Music videos to help you learn!
Practice your conjugations with this verb chant!