The document discusses different ways to talk about the future in English using the structures "be going to", "will", present continuous, and present simple. It explains that "be going to" is used to express intentions or predictions based on evidence, "will" is used for predictions without evidence or plans made at the time of speaking, present continuous is used for future plans or arrangements, and present simple is used for scheduled future events on a timetable. Examples are provided to illustrate the different uses of each structure.