The plural possessive form is the possessive form (ownership or attribute) of a plural noun. When a plural ends in S, the possessive form adds only an apostrophe. When a plural does not end in S, the possessive form uses apostrophe S.
Examples:
state - plural states - plural possessive states'
(The states' governors met in Miami. - governors of more than one state)
child - plural children - plural possessive children's
(The children's coats were kept in the closet. - coats of more than one child)
mouse - plural mice - plural possessive mice's
(The mice's tails were caught in the trap. - tails of all the mice)
Singular possessive: secretary's Plural: secretaries Plural possessive: secretaries'
The plural is relatives. The plural possessive is relatives'.
The plural is lads. The plural possessive is lads'.
The plural form is Mexicans. The plural possessive is Mexicans'.
The plural form is echoes. The plural possessive is echoes'.
Singular possessive: secretary's Plural: secretaries Plural possessive: secretaries'
The plural is relatives. The plural possessive is relatives'.
The plural is lads. The plural possessive is lads'.
The plural form is Mexicans. The plural possessive is Mexicans'.
The plural form is echoes. The plural possessive is echoes'.
The plural form is suffixes. The plural possessive is suffixes'.
The plural form is stepsisters. The plural possessive is stepsisters'.
The plural form is inches. The plural possessive is inches'.
The plural possessive of "Father" is, "Fathers"
Studies' is the plural possessive of study.
The plural possessive of bandit is bandits'.
The plural possessive is pals'.