👉 Possessives are a grammatical device used to indicate that something belongs to or is associated with a particular noun, typically forming by adding "-'s" before a pronoun (e.g., cat's) or using "of" (e.g., dog-of-brand). Possessive sounds can be perceived as an extension of the sound of the original word when the -'s are added, creating distinct and unique phonetic elements in phrases that signify ownership or association.