The document provides an introduction to English tenses, including the present, past, and future tenses. It explains that tenses highlight the state of action and defines the three main tenses. For each tense, it outlines the conjugations for regular verbs for the positive, negative, and interrogative forms. The present tense section covers the basic present tense form, present continuous, and present perfect. The past tense covers the past tense form using the second form of verbs and using did/did not. The future tense explains that it uses will or will be plus the base verb form. It provides examples for each tense in the positive, negative, and interrogative forms.