Major 4-3 semitones
Minor 3-4 semitones
Major7 4-3-4 semitones
Dominant7 4-3–3 semitones
Major minor7 3-4-4 semitones
I made a 3 chord progression couldn’t add more because it kept cutting out past that bar. I then tried to add bass notes to them. D major , C major to g something.