The document discusses the past simple tense in English. It explains that the past simple is used to talk about finished actions in the past. It provides examples of regular and irregular verbs in the past simple tense. For regular verbs, the past simple is formed by adding "-ed" to the base verb. Irregular verbs have unique past simple forms that must be memorized. The document also discusses how to form affirmative, negative, and interrogative sentences in the past simple tense and provides practice questions.