| Sounds like your teacher has you playing the blues.
I think this has been discussed at length and is probably in a newbie section somewhere, and there is likely a chorus in the wings waiting the sing the 'Get Thee to a Teacher' bit, but I'm feeling benevolent and too lazy to go find the posts and soo will give you a bit.
First off, you're going to have to know the cycle of 4ths and the scales that go with the chords. Before I go too far and sound like gibberish, answer me those two questions. | 
