10.15Do the same in G major

G major:

G A B C D E F♯

Build seventh chords:

G B D F♯ = Gmaj7

A C E G = Am7

B D F♯ A = Bm7

C E G B = Cmaj7

D F♯ A C = D7

E G B D = Em7

F♯ A C E = F♯m7♭5

So ii–V–I:

Am7 → D7 → Gmaj7

Again, same structure.