The possessive form is officer's.
Example: The officer's uniform was clean and neatly pressed.
The possessive form of the noun police officer is police officer's.Example: The police officer's car blocked the escape of the suspect.
The possessive form of the acronym CEO is CEO's (or Chief Executive Officer's).Example: The CEO's office is very plush.
The plural form of the noun office is offices.The plural possessive form is offices'.Example: All of our offices' decor is the same using the company colors.
Example uses of possessive noun in activities:Jason neatly returned the opponent's serve.Everyone's participation made the picnic a success.The officer's arms waved madly as he untangled the traffic jam.You can tell when the hero saves the damsel by the audience's cheers.
Him is not possessive. The possessive would be 'his'.
No, he is not possessive. The possessive form would be his.
The singular possessive is biker's; the plural possessive is bikers'.
Women's is a plural possessive. The singular possessive is woman's
The singular possessive is ant's.The plural possessive is ants'.
The possessive form of "he" is "his": He did his homework after dinner.
The singular possessive is "ox's". Another contributor wrote "oxen's", but that is the plural possessive.
The singular possessive is Richard's; the plural possessive is Richards'.