Learning the Present Simple of the verb "to Be" with Gogo

Today we are learning how to ask and answer simple questions with the verb "to be" and how to use the indefinite article "a/an", thanks to this video taken from “Gogo Loves English- Gogo’s Adventures with English”, a series of audio books by Ken Methold and Stanton Procter, Addison Wesley Longman Ltd, 1995. English Piece by Piece – Learn English and Have Fun.