The plural form of the noun member is members.
The plural possessive form is members'.
Example: All of our members' addresses are in the mail-merge file.
Singular possessive: secretary's Plural: secretaries Plural possessive: secretaries'
The noun members is the plural form for member; the plural possessive form is members'.
The plural is relatives. The plural possessive is relatives'.
The plural is lads. The plural possessive is lads'.
The plural form is echoes. The plural possessive is echoes'.
The plural form is suffixes. The plural possessive is suffixes'.
The plural form is Mexicans. The plural possessive is Mexicans'.
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"
The plural possessive of bandit is bandits'.
Studies' is the plural possessive of study.