The document discusses the use of "be going to" and "will" to express future actions and events in English. It provides examples of using "be going to" to talk about plans and intentions, as well as situations where the evidence currently points to a future occurrence. It also discusses using "will" to make promises or offers, express personal opinions or decisions made at the time of speaking. The document includes exercises for learners to practice using "be going to" and "will" in different contexts.