| Singular | Plural | |
|---|---|---|
| Nominativ | biennalis, biennale | biennales, biennalia |
| Genitiv | biennalis | biennalium, biennalum |
| Dativ | biennali | biennalibus |
| Akkusativ | biennale, biennalem | biennalis, biennales, biennalia |
| Ablativ | biennale, biennali | biennalibus |
| Vokativ | biennalis, biennale | biennales, biennalia |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |