The document discusses the present participle form of the verb "to be", which is "being". It states that "being" can be used: 1) With an adjective to express a state of being, such as "I am happy". 2) With the auxiliary verb "be" to form the present and past continuous tenses, such as "You are being stubborn" and "You were being stubborn". 3) It provides examples of these uses of the word "being".