The document discusses the simple past tense in English. It explains that the simple past tense is used to talk about actions that started and finished at a specific time in the past. There are two types of past tense verbs: regular verbs that form the past tense by adding "-ed" and irregular verbs that have varying forms not following this pattern. It provides examples of regular and irregular verb forms. It also discusses how to form negative and yes/no questions in the simple past tense. Finally, it includes an exercise for students to practice converting verbs to the simple past tense form.