Like the accusative, there are recurring letters that will help you get all your dative declensions right. Let's look at a little trick for that.
Declensions in dative
Definite | Indefinite/Negation | Possessive |
---|
dem | (k)einem | meinem |
der | (k)einer | meiner |
dem | (k)einem | meinem |
den | keinen | meinen |
M R M N... looks a bit like MR. MaN!
Haha, true! Maybe that can help you remember :)