This document discusses the different ways to express the future tense in English using "will" and "be going to". It explains that "will" is used for predictions without evidence, quick decisions, promises and offers, while "be going to" is used for plans, intentions and predictions based on clear signs. Examples are provided of affirmative, negative and interrogative forms of both "will" and "be going to". Situations are given for the reader to practice choosing the correct future tense construction.