Mixolydian
major scale w/ lowered 7th
Dorian
Natural minor w/ raised 6th
Phrygian
natural minor w/ lowered 2nd
Lydian
Major w/ lowered 4th
Aeolian
natural minor
Locrian
Natural minor w/ lowered 2nd and lowered 5th
Ninth chords
9th in soprano, Omit 5th, no 2nd between soprano and alto, 9th down, LT up
Eleventh chords
Eleventh in soprano and stays, 9th down, 7th down, Omit 5th and 3rd
Thirteenth chords
Omit 5th, 9th and 11th, Top note in soprano, notated as V13-7
Ninth 1st inversion
V7-6-5
Ninth 2nd inversion
V10-4-2