The document discusses verb tenses in English, including the present simple, present continuous, past simple, and past continuous tenses. It provides examples of how each tense is used, such as using the present simple tense to describe routines or facts that are always true, and the past continuous tense to describe actions that were ongoing at a specific time in the past. It also explains how the present continuous can be used to describe temporary actions or future plans, while the past simple describes completed past actions.