The document provides an activity plan to teach students about the verb "to be" in English (am, is, are). The purpose is to help students understand how to use these verbs correctly in sentences and their negative forms. It explains that "am" is used with "I", "is" with "he/she/it", and "are" with "we/you/they". Examples are given for affirmative and negative sentences. An activity is then provided where students choose the correct verb form to complete 4 sentences.