The document discusses various English tenses: 1) The simple past tense is used to talk about completed actions in the past. It forms the past tense using regular verbs by adding "-ed", irregular verbs have varying forms. 2) The past continuous tense describes actions that were ongoing in the past, formed with "was/were + verb+ing". 3) The past perfect tense talks about actions completed before something else in the past, formed with "had + past participle". The document provides examples and rules for forming, negatives, and questions for each past tense along with common time expressions used with each.