| mask. | fem. | neutr. | |
|---|---|---|---|
| Nom. Sg. |
opert‑us
|
opert‑a
|
opert‑um
|
| Gen. Sg. |
opert‑i
|
opert‑ae
|
opert‑i
|
| Dat. Sg. |
opert‑o
|
opert‑ae
|
opert‑o
|
| Akk. Sg. |
opert‑um
|
opert‑am
|
opert‑um
|
| Abl. Sg. |
opert‑o
|
opert‑a
|
opert‑o
|
| Nom. Pl. |
opert‑i
|
opert‑ae
|
opert‑a
|
| Gen. Pl. |
opert‑orum
|
opert‑arum
|
opert‑orum
|
| Dat. Pl. |
opert‑is
|
opert‑is
|
opert‑is
|
| Akk. Pl. |
opert‑os
|
opert‑as
|
opert‑a
|
| Abl. Pl. |
opert‑is
|
opert‑is
|
opert‑is
|