MASCULINE FEMININE NEUTER SINGULAR NOM. improbus improba improbum GEN. improbi improbae improbi DAT. improbo improbae improbo ACC. improbum improbam improbum ABL. improbo improba improbo PLURAL NOM. improbi improbae improba GEN. improborum improbarum improborum DAT. improbis improbis improbis ACC. improbos improbas improba ABL. improbis improbis improbis