The word 'elderly' is an adjective, a word that describes a noun. Adjectives don't have possessive forms. The adjective can describe a possessive noun:
The elderly man's meals are delivered to his home.
The plural form of the noun defendant is defendants.The plural possessive form is defendants'.Example: All of the defendants' lawyers have spoken to their clients.
The plural form of the noun pagoda is pagodas.The plural possessive form is pagodas'.Example: This is my vacation photo of the pagodas' roofsgleaming in the sun.
An adjective, although it ends in -LY (like lonely, homely, and smelly). Elderly means old and has no adverb form.
The possessive form for the plural noun potters is potters'.Example: We can find some nice pieces at the potters' gallery on Second Street.
The possessive form of the singular noun dormouse is dormouse's.Example: The dormouse's nose was covered in pollen from the flowers it was eating.
The possessive form of "he" is "his": He did his homework after dinner.
No, it is singular, the possessive form of it is its. The plural form of it is they or them, and the possessive form is their.To answer the question directly: there is no such word as ITS'.
The possessive form is lawyer's.
The possessive form is whistle's.
The possessive form is posse's.
The plural possessive form is Luis's.
The singular possessive form of the noun "it" is "its". Note that there is no apostrophe in the possessive form of "it". The apostrophe is only used after "it" when used as a contraction of "it is".
The singular possessive form is heart's; the plural possessive form is hearts'.
The singular possessive is Richard's; the plural possessive is Richards'.
The possessive form for the noun science is science's.
The possessive form for the noun freedom is freedom's.
The singular possessive form is synopsis's.