The possessive form of the singular noun son-in-law is son-in-law's.
Example: I'm making a cake for my son-in-law's birthday.
The plural form of the noun son-in-law is sons-in-law.
The plural possessive form is sons-in-law's.
Example: Both of my sons-in-law's birthdays are on the same day.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
Singular possessive: secretary's Plural: secretaries Plural possessive: secretaries'
The singular possessive is ant's.The plural possessive is ants'.
The singular possessive is biker's; the plural possessive is bikers'.
The word sisters' is plural possessive. The singular is sister, singular possessive is sister's; the plural is sisters, the plural possessive is sisters'.
The singular possessive is army's.The plural possessive is armies'.
The singular possessive is avocado's; the plural possessive is avocados'.
Singular possessive: mother's Plural possessive: mothers'
Women's is a plural possessive. The singular possessive is woman's
Niece's is a singular possessive noun. niece - singular nieces - plural niece's - singular possessive nieces' - plural possessive
"Bee" can be both singular and plural. The singular possessive form is "bee's," while the plural possessive form is "bees'."
The singular possessive form is heart's; the plural possessive form is hearts'.