a) Questo e` il mio scrittore preferito. b) Questo scrittore e` stato molto favorito dall'editore. In (a) you are stating something about your personal tastes, that YOU (the speaker) like best a certain writer, you are not stating an intrinsic property of the writer. In (b) you are stating a FACT related to the writer, i.e. that he is in a great and special cinsideration by the editor that treats him in a special way. Essere favoriti: ricevere dei favori.

Esempio sei favorito tu per la vittoria Hai preferito la pasta o la carne