MASCULINE FEMININE NEUTER SINGULAR NOM. opportunus opportuna opportunum GEN. opportuni opportunae opportuni DAT. opportuno opportunae opportuno ACC. opportunum opportunam opportunum ABL. opportuno opportuna opportuno PLURAL NOM. opportuni opportunae opportuna GEN. opportunorum opportunarum opportunorum DAT. opportunis opportunis opportunis ACC. opportunos opportunas opportuna ABL. opportunis opportunis opportunis