Charles’, Charles’s. You already know that to make most regular singular nouns possessive you add an apostrophe plus an S: the cook’s preference. And you know that to make most plural nouns ...

We can demonstrate the link between two nouns either by using possessive forms (the US bank's finance division / the finance division of the US bank) or compound nouns (the US bank finance division).

A possessive is a word that shows possession or ownership of something. A possessive can be a noun, pronoun or adjective. Nouns are usually made possessive by adding an apostrophe and an ‘s’.

To form the possessive of a noun that ends in S, AP style has separate rules for proper names and generic nouns. For proper names like James, AP says, add an apostrophe only: He borrowed James’ car.

A singular noun is a noun referring to just one person or thing, for example 'cat'. When you want to show that something belongs to that person or thing, you add a possessive apostrophe and an 's'.

And so we run up against one of the more badly misnamed things in English grammar: the possessive. Yes, yes, it's true, we do use it to indicate possession: John's chair, Mary's house, Donald's ...

Always check with the powers that be at your company, organization, or school, because different people use different styles—adding an s to singular, possessive nouns ending in s being one of ...

On October 22nd, at 2:50 P.M., @APStylebook tweeted a series of guidelines about how to punctuate possessives of nouns that end in “S”: “For possessives of plural nouns ending in s ...