Shackleton's is already a possessive noun. It refers to something that belongs to Shackleton, such as "Shackleton's expedition to the South Pole".
The possessive form for the noun coyote is coyote's.
The possessive form of zoo is zoo's.
The possessive form for the noun coyote is coyote's.
The possessive noun is chimp's.
The possessive form of the noun chimp is chimp's.example: The chimp's cleverness gets him into a lot of trouble.
The possessive singular noun is explorer's. The possessive plural noun is explorers'.
The possessive form for the noun coyote is coyote's.
The possessive form of zoo is zoo's.
The possessive form for the noun preacher is preacher's.
The possessive form for the noun laboratory is laboratory's.
No, he is not possessive. The possessive form would be his.
The possessive form for the noun oxygen is oxygen's.
The possessive form for the noun coyote is coyote's.
The possessive form is grandson's.
The possessive form is island's.
No, it is a singular possessive noun.
The possessive noun of Sam is Sam's.