The document provides examples of using the verb "to be" in the present continuous tense in affirmative, negative, and interrogative sentences. It shows how to conjugate the verb "to be" for different subjects (I, you, he/she/it, we, they) and includes examples of affirmative sentences with subjects plus the verb "to be" plus the -ing form of another verb, negative sentences with the negative form of the verb "to be" plus the -ing form of a verb, and interrogative sentences with question word order or the verb "to be" plus the subject plus the -ing form of a verb.