This document provides rules for forming verbs in the past simple, past continuous, and past perfect tenses in English. It explains that regular verbs are formed by adding "-ed" while irregular verbs have unique past forms that must be memorized. Examples are given of affirmative, negative, and interrogative sentences. The uses of each past tense are described, such as using past simple for completed past actions and past continuous for incomplete or ongoing actions. Time expressions that can be used with each past tense are also listed.