The plural form of the singular noun stream is streams.
The plural possessive form is streams'.
The singular possessive form is heart's; the plural possessive form is hearts'.
The noun 'sister' is not plural and is not possessive.The plural form is sisters.The possessive form is sister's.The plural possessive form is sisters'.
The plural form is cockroaches; the plural possessive form is cockroaches'.
The plural form is squirrels. The plural possessive is squirrels'.
The plural possessive is grandmothers'.
The singular possessive form is heart's; the plural possessive form is hearts'.
The plural form is valleys. The plural possessive is valleys'.
The plural form is replies. The plural possessive is replies'.
The plural form is founders. The plural possessive is founders'.
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 plural form is branches. The plural possessive is branches'.
The plural possessive form of "mass" is "masses'".
The plural possessive is experiments'.
The plural form is ravines. The plural possessive is ravines'.
The plural form of the noun mouthful is mouthfuls.The plural possessive form is mouthfuls'.
The plural form of the noun kiss is kisses.The plural possessive form is kisses'.
The plural form for the noun pass is passes.The plural possessive form is passes'.