| Nominative | negr |
| Genitive | negra |
| Dative | negrovi; negru |
| Accusative | negra; negr |
| Vocative | negře; negre |
| Locative | negrovi; negru |
| Instrumental | negrem |
| Nominative | negři; negry |
| Genitive | negrů |
| Dative | negrům |
| Accusative | negry |
| Vocative | negři; negry |
| Locative | negrech |
| Instrumental | negry |