It's very important to be able to talk about all sorts of different people. That's what the personal pronouns are for. Here are some great resources to master them. For Spanish 1 and Spanish 2, these are a Mastery item. Students are not responsible for vosotros/vosotras forms, although they are shown on the attachment for informational purposes.
Gramactiva video
Online activities from the Exprésate textbook
Grammar explanations with self-correcting exercises
Detailed grammar explanations with self-correcting exercises
Excellent grammar explanations with video
Quizizz Class Practice - Start Game - Student Login
Pinterest: Pronombres Personales
Here's a quiz that you can use to practice