Just in case you didn't notice, it's a vertical playing instrument, Mick.
An instrument for the lazy people, it's all about patterns, in fact.
Also check Anthony Wellington's explaining the modes, you'll be amazed.
It's an hour lesson that could have lasted 10 minutes, but those guys know how to earn their money. 😉
I have a simple Excel file (two in fact as it can been seen from two different points of view) explaining the same, but you first need to understand the pattern.