The document discusses how to form the past simple tense in English. It distinguishes between regular verbs, which form the past simple by adding "-ed", and irregular verbs, which have unpredictable past forms that must be memorized. Examples are provided of common regular and irregular verbs in the past simple. The uses of the past simple tense include talking about completed actions and events that occurred at specific times in the past. Exercises are included for the reader to practice forming sentences in the past simple tense.