The singular possessive form is port's.
The possessive form of the noun port is port's.Example: The port's main industry is fishing.
The possessive form of the noun port is port's. Example:The port's traffic is at its peak at this time of year.
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.
Port'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 is grandson's.
The possessive form is island's.