The document summarizes the simple tenses (present, past, and future) and continuous tenses (present continuous, past continuous, and future continuous) in English grammar. It provides definitions and examples of when to use each tense. The simple tenses are used to describe completed or habitual actions, while the continuous tenses describe unfinished or ongoing actions. Each tense is defined and common uses are listed, such as using the present continuous to talk about current activities or future plans.