The document discusses using the present continuous tense in English to talk about future plans and events. It provides examples like "I am having lunch with a friend tomorrow" and "We are having a party this weekend." It also discusses the difference between using the future with "going to" versus the present continuous, noting that the present continuous is used to express fixed plans while "going to" expresses intentions. Additionally, it covers the proper uses of prepositions of time like "at," "on," and "in" followed by an exercise to practice.