if were in c ionion (majour)
the notes are c d e f g a b
the first chord is c majour seven c e g and b
the second chord is b minor seven note d f a and c
e minor e g b d
dito. this gives you seven chords. and each hord has a mode built on it eg the 6th chord is a minor seven a c e g. and the aolion mode is built on it.
hope this helps, ask if you need
