The document discusses the use of the future tense "will" in English. It states that "will" is used to talk about future events that have just been decided, make predictions, and make promises. It provides examples of affirmative, negative, and interrogative sentences using "will". The document also discusses using "will" to give or ask for future facts, make plans or decisions, predict the future, predict the present, offer to do something, and agree to do something. It then contrasts "will" with "going to", stating that "going to" expresses already planned future events and intentions. It provides examples of how to form sentences using "going to" and situations when it would be used.