Out of curiosity I looked it up and Duden actually has a page on it [1]. It can be broken down to 8 different cases according to Duden and there is actually so

Out of curiosity I looked it up and Duden actually has a page on it [1]. It can be broken down to 8 different cases according to Duden and there is actually some logic behind it (though not the best and most consistent :D). [1] https://www.duden.de/rechtschreibung/ver_ https://www.duden.de/rechtschreibung/ver_