| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | infinitivo | infinitivoj |
| Accusative | infinitivon | infinitivojn |
| Dutch | infinitief; onbepaalde wijs |
|---|---|
| English | infinitive |
| Faeroese | navnháttur |
| French | infinitif |
| German | Infinitiv; Nennform; Grundform |
| Papiamento | infinitivo |
| Spanish | infinitivo |