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