This document provides information about simple past tense verbs and examples of their use in sentences. It lists regular past tense verbs formed by adding "-ed" like "cleaned" and "played" as well as irregular past tense verbs that do not follow a set pattern like "know" becoming "knew". It then provides example sentences using these past tense verbs to talk about activities like going on picnics, eating food, taking pictures, and doing homework in the past tense. The sentences are used to answer yes/no questions about the activities in the examples.