This document provides information about the past simple tense in English. It defines the past simple as a verb tense used to describe actions that were completed in the past. It lists the characteristics of past simple sentences, including that the main verb is always in the past form. It also discusses regular and irregular verb conjugations in the past tense. It provides examples of affirmative, negative, and interrogative sentences in the past simple and how they are formed. Finally, it explains how to answer interrogative sentences using "yes" or "no" responses.