This document provides examples of simple past tense structures in English, including affirmative, negative, and interrogative forms. It gives regular and irregular verb examples such as "Carmen worked in the hotel" and "John ran on Sunday." For negative examples, it shows using "did not" or "didn't" plus the base verb form, like "We did not win." Interrogative examples use "did" plus the subject and base verb form with a question mark, such as "Did you go to the concert?" The document is intended to teach English grammar structures to students.