<span> Making singular nouns </span>possessive<span>. Add an apostrophe + s to most singular nouns and to </span>plural<span> nouns that do not end in s. You'll use this rule the most, so pay particular attention to it. English has some words that are </span>plural<span> but do not add an 's'. </span>
To make a singular noun possessive, add an apostrophe and an “s.” This applies to plural nouns<span> that do not end with an “s”, like children - children's and men - men's. When making </span>plural possessive nouns<span>, add only an apostrophe if the </span>noun<span> ends with an “s”, like buses' and countries'. HOPE IT HELPS