This document discusses different forms of verbs used with subjects including verbs that are complements or not complements. It identifies common verbs like "be", "am", "are", "is" that can be used with subjects and complements or with subjects and negative complements. It also presents questions starting with "to be" followed by a subject and complement and lists the possible verbs as "are", "is", "am" or negatives like "aren't", "isn't", "m not" to ask if the subject is or is not complemented.