This document provides instruction on forming and using the past simple tense in English. It explains that the past simple is used to talk about actions that occurred in the past. It provides rules for regular verb conjugation in the past simple using suffixes like "-ed" as well as irregular verb forms. Examples are given for affirmative, negative, and interrogative sentences. Guidance is also provided on pronunciation of "-ed" verb endings. Links to additional exercises and audio help with practice using the past simple tense.