The document discusses different past verb tenses in English, including the simple past, past continuous, and past perfect tenses. It provides examples of how to form sentences using each tense and describes common uses of each tense, such as describing actions that happened at a specific time in the past or actions that were interrupted by other events. The simple past is used to describe completed actions, the past continuous describes ongoing actions, and the past perfect describes actions that were completed before something else in the past. Irregular verb forms and tense formations are also covered.