Learn how to discuss obligation in two different manners. here's the link to the document: https://drive.google.com/file/d/0By9SE2s45fAhcTVFclFxcGhBZzA/view?usp=sharing Thanks for watching :) Sr.B senorbelles.com youtube.com/senorbelles https://www.facebook.com/pages/Señor-Belles/459660667452617 twitter.com/senorbelles senorbelles.spreadshirt.com sub link: http://www.youtube.com/subscription_center?add_user=senorbelles