The plural possessive is grandmothers'.
The plural form of the noun grandmother is grandmothers.
The plural possessive form is grandmothers'.
Willie
The singular possessive form is heart's; the plural possessive form is hearts'.
The plural of rose is roses. The plural possessive is roses'.
The plural form is homes; the plural possessive is homes'.
The plural possessive is regions'.
The plural possessive is governesses'.
The plural possessive form of "grandmother" is "grandmothers'".
The plural form for the noun grandmother is grandmothers. The plural possessive form is grandmothers'.
The singular possessive form of grandmother is grandmother's, and the plural possessive form is grandmothers'.
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.
The correct form is "its" for the possessive form in the plural. "Its" is used for both the singular and plural possessive forms, without an apostrophe.
The plural is briefs. The plural possessive is briefs'.
The plural is lads. The plural possessive is lads'.
The plural is trollies. The plural possessive is trollies'.
The plural is stations. The plural possessive is stations'.
The plural is relatives. The plural possessive is relatives'.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
The singular possessive form is heart's; the plural possessive form is hearts'.