The singular possessive is duke's.
The singular possessive noun is stepchild's.
"Firefly's" is a singular possessive noun.
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 of the noun "clock" is "clock's."
Yes, "vest's" is the singular possessive form of the noun "vest."
The singular possessive noun of grandmother is grandmother's.
No, "she's" is a contraction of "she is" or "she has." It is not a possessive noun.
The singular possessive noun for nature is "nature's."
The possessive form of the singular noun son is son's.Example: Your son's grades have improved this semester.
The singular possessive of the noun "arch" is "arch's."