The document discusses different verb tenses in English including past, present, and future tenses. The past tense is formed by adding "-ed" or "-d" to regular verbs and irregular verbs have various forms. The present tense uses the base verb form or adds "-s" for third person singular subjects. The future tense generally marks events that have not happened yet but are expected to happen, and can be formed using "will" or "going to" plus the infinitive form of the verb. Examples are provided for each tense.