Originally Posted by Inthemusic

Hi mate!
Here are some links for you to learn everything in music theory and then practice yours skills on guitar.
http://www.musictheory.net/lessons
If you are an iphone ipad itouch user you can buy those guides to have them on the go!!

Thanks for the great online resource.
I just skipped through the book that I'm using. It does have some information on chord structure spreading throughout the later chapters. My tutor told me that the best way for an instrumentalist to learn theory is from playing music that uses them.