Wrong. Fathers house has just been painted.
Right. Father’s house has just been painted.
854. Use an apostrophe after the s to form the possessive of plural nouns.
Wrong. They sell boys clothing.
Wrong. They sell boy’s clothing.
Right. They sell boys’ clothing.
855. Never use an apostrophe to form the possessive of personal pronouns.
Wrong. Their’s are black.
Right. Theirs are black.
856. Use parentheses ( ) to inclose material that is foreign to the main thought of a sentence, paragraph, or whole composition.