The plural possessive form is workmen's.
The possessive form of the noun worker is worker's.Example: I found a worker's ID badge in the parking lot.
The plural form of the noun worker is workers.The plural possessive form is workers'.Examples: The workers' schedules are posted on the bulletin board.
No, it is a plural noun. To make it a singular possessive add -'s = worker's. The worker's lunch was stolen. To make it a plural possessive add -s' = workers'. The workers' cars were damaged.
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 is grandson's.
The possessive form is island's.