The document discusses the simple past tense in English. It explains that the simple past is used to talk about actions that started and finished in the past. It discusses regular and irregular verb forms in the past tense. Regular verbs are formed by adding "-ed" while irregular verbs have other changes in form or no change. Examples of forming positive, negative, and yes/no questions in the simple past are provided. An exercise at the end has the reader fill in blanks with verbs in the simple past tense.