Ask questions or just talk about different languages. Since BrainKing is an international game site supporting many languages, this board can be kind of useful.
Pedro Martínez: Yes, that's true! Even the almost absent article is inflected - crazy ;) And I made a mistake: for female nouns we don't say "n" but "ne", so only male and neutral are the same. And that just because the original words are both "ein". So I propably have to take back my whole post ;)