This document discusses the use of simple future tense in English using "will" and "be going to". It provides examples of how to make predictions using these terms and explains the differences between them. It also discusses using the present simple and progressive tenses to discuss future events based on schedules or arrangements that have already been made. Key points covered include predicting with will versus be going to, using will for quick decisions versus be going to for advance plans, and using the present simple or progressive to discuss future scheduled events.