| Nominativ | pergratus, pergratum, pergrata, pergratus, pergratum, pergrata | pergratae, pergrata, pergratae, pergrati, pergrata, pergrati |
| Genitiv | pergratae, pergrati, pergrati, pergrati, pergrati, pergratae | pergratorum, pergratorum, pergratarum, pergratorum, pergratorum, pergratarum |
| Dativ | pergrato, pergrato, pergratae, pergrato, pergrato, pergratae | pergratis, pergratis |
| Akkusativ | pergratam, pergratum, pergratum, pergratum, pergratum, pergratam | pergrata, pergratos, pergratas, pergratas, pergratos, pergrata |
| Ablativ | pergrata, pergrato, pergrato, pergrato, pergrata, pergrato | pergratis, pergratis |
| Vokativ | pergrate, pergratum, pergrata, pergratum, pergrate, pergrata | pergrati, pergratae, pergrata, pergratae, pergrati, pergrata |
