The plural possessive is masses'.
The plural form of the noun light is lights.The plural possessive form is lights'.
The noun quantum is a singularnoun. The plural form is quanta.A possessive noun requires the use of an apostrophe.The singular possessive form is quantum's. The plural possessive form is quanta's.
The plural form is... 'officers in charge'.
Clocks is already in plural form. Therefore, it is clocks.
The possessive form for the plural noun glasses is glasses'.Example: Her glasses' frame broke when she dropped them.
The plural possessive is masses'.
The singular possessive form is heart's; the plural possessive form is hearts'.
The plural form is founders. The plural possessive is founders'.
The plural form for the noun sergeant is sergeants; the plural possessive form is sergeants'.
The singular possessive form for the noun knife is knife's.The plural form is knives; the plural possessive form is knives'.
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 singular form is goose; the singular possessive form is goose's.The plural form is geese; the plural possessive form is geese's.
The plural possessive form of "cherubim" is "cherubim's."
The plural possessive form of "reply" is "replies'".
The plural form is valleys. The plural possessive is valleys'.
The plural form is squirrels. The plural possessive is squirrels'.
The plural form is cockroaches; the plural possessive form is cockroaches'.