11.11ii–V–I in every key

The formula is always:

minor 7 → dominant 7 → major 7

because in a major key:

ii is m7

V is 7

I is maj7

Examples:

C

Dm7 → G7 → Cmaj7

G

Am7 → D7 → Gmaj7

D

Em7 → A7 → Dmaj7

A

Bm7 → E7 → Amaj7

F

Gm7 → C7 → Fmaj7

B♭

Cm7 → F7 → B♭maj7