: Es mía. (It's mine.)
Unlike English, Spanish does not use an apostrophe "s" ( 's ) to show ownership. Writing "María's hermano" is a grammatical error. Instead, Spanish utilizes two native structures to express who owns an object or who is related to a person. 1. The Prepositional Formula ( ¿De quién es...? ) p2-19 estructura 1 -de quien es -practice it -