Practice writing out a "setup"..
Start by memorizing the steps between notes of a major scale (1-7)
w w half w w w half
List the chord types in Major scale Ionian
Major minor minor major major minor minor
Whether a triad is major or minor all depends on the third note of the triad
What are the triads? major triad, minor triad, dim triad etc.?
What are the chords that make up the scale. For the major Ionian mode, C major scale
Harmonize the major scale by building a minor scale from the 6th scale degree, so take A for example. Build the harmonized minor scale from the A.
For harmonized minor scales the steps go in this order (1-7)
w h w w w h w w
A BC D EF G A
Going further the chords that work in the harmonized A minor scale are, in order 1-7
m dim aug m m M M
Am Bdim C Dm Em F G
Notice the I chord in the harmonic minor scale is minor.
Remembering the modes:
'I don't particularly like modes any longer.'
Ionian Dorian Phrygian Lydian Mixolydian Aeolian Locrian