Compartir Twitter Facebook Correo electrónico Whatsapp Verbo to Be: (forma afirmativa, interrogativa y negativa). 27 enero, 2013 Guillermo Huerta Gutierrez Verb to be Exercises Publish at Calameo or read more publications. Verb to be forms and exercises from guihugu Let’s do some listening practice at lyricstraining.com. Have fun! Check out the following video!