>I've never lived in Berlin myself, but in standard German both versions - with and without the indefinite article - are 100% correct
I find this intriguing as my German language instructor (we focussed on grammar and technical language but also did conversational German) informed me that "Ich bin ein Berliner" was simply wrong and that it was a kindergarten style mistake - as I blushed and corrected myself "Ich bin Patent-prüfer".
>I've never lived in Berlin myself, but in standard German both versions - with and without the indefinite article - are 100% correct
I find this intriguing as my German language instructor (we focussed on grammar and technical language but also did conversational German) informed me that "Ich bin ein Berliner" was simply wrong and that it was a kindergarten style mistake - as I blushed and corrected myself "Ich bin Patent-prüfer".