This document discusses the simple past tense in English. It begins by explaining that the simple past is used to talk about things that happened in the past. It then describes the different ways to form the past tense for regular and irregular verbs. For regular verbs, the simple past is formed by adding "-ed" to the base verb. There are some exceptions. Irregular verbs have unique past tense forms that must be memorized. The document provides examples of affirmative and negative sentences in the simple past and includes sample dialog for practice using this tense.