| Projektstrukturplan | Nominativ, Singular | nominative case, singular | |
| Projektstrukturplan(e)s | Genitiv, Singular | genitive case, singular | |
| Projektstrukturpläne | Dativ, Singular | dative case, singular | |
| Projektstrukturplänen | Akkusativ, Singular | accusative case, singular |