No, great-aunts' is the possessive form of the pluralnoun, indicating that something belongs to two or more great-aunts.
Example: Both of my great-aunts' birthdays are the same day.
The possessive of the singular noun great-aunt is great-aunt's.
Example: My great-aunt's birthday is on Friday.
The singular form is talent; the singular possessive is talent's.
Party's is the singular possessive form of party.
The singular possessive form of copy is copy's.
The singular possessive form for the noun embargo is embargo's.
No, the possessive noun audiences' is the plural possessive form.The singular noun is audience.The singular possessive form is audience's.Examples:The audience's reaction was enthusiastic. (singular possessive)All of his audiences' reactions are enthusiastic. (plural possessive)
"Firefly's" is a singular possessive noun.
The singular possessive noun is stepchild's.
No, "tomb" is a singular common noun, not a possessive noun.
The singular noun is tooth.The singular possessive noun is tooth's.
The singular possessive form for the noun clock is clock's.
The noun vest is the singular form.The noun vest's is the singular possessive form.
No, "she's" stands for she is. The singular possessive noun for a female is her or hers.
The singular possessive noun of grandmother is grandmother's.
The singular possessive noun for nature is "nature's."
The singular possessive noun for lioness is lioness' or lioness's, whichever you think sounds better.
The possessive form of the singular noun 'arch' is arch's.Example: A lantern hung from the arch's center.
The possessive form of the singular noun son is son's.Example: Your son's grades have improved this semester.