Major triad: D #F in A flat, minor chord: DFA, plus triad: D #F A, minus triad: D F in A flat.

2. Six chords of four triads with D as the bass.

Major triad: D F in B flat, minor chord: D #F B, plus triad: D #F in B flat, minus triad: DFB.

3. the sixth chord of four triads with d as the root.

Major triad: #F in ad flat, minor chord: FA D, plus triad: #F A D, minus triad: F in A D.

4. Four triads or six chords with D as three notes.

Junior 46: F minus BD, junior 46: #FBD, plus 346: #F minus BD, minus 346: FBD.

5. Take e as the root to form the original position, the size of the fifth, sixth, third, fourth and second chords.

Original place: E#GBD, May 6th: #GBD, March 4th: BDE#G, second chord: DE#GB.

6. Use E as the bass to form the major and minor seventh chords, five, six, three, four and two chords in situ.

In situ: E#GBD, five or six: such as B C three or four: EGA#C second chord: E # F # A # C.

Bass refers to the lowest tone after tone sandhi, tri-tone refers to tri-tone,,,

See if there are any mistakes when the landlord does it.