polish.slavic.pitt.edu/~swan/beta/
Thanks for your help, I tried inputed być and jechać into the above link but I got very little information back.
In the table I linked I recognise the normal conjugations but not others.
I am interested to know what they are. It would be a very useful table if I could understand what the letters stood for. I could look up the grammatical definition and explanation in English.