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. It discusses the formation of regular and irregular past tense verbs. Regular past tense verbs are formed by adding "-ed" to the base verb, while irregular verbs have varying changes in form. Examples are provided of common irregular verbs. The document also covers using the simple past tense in positive and negative sentences and yes/no questions. Finally, it provides a student practice activity to reinforce the concepts.