3.28And G minor

G natural minor:

G A B♭ C D E♭ F G

Raise degree 7:

F → F♯

Now:

D7 → Gm

So:

Gm → Cm → D7 → Gm

Same logic again.

Rather than memorize:

E7 → Am A7 → Dm D7 → Gm

think:

Minor key still wants V7 → i. Raise scale degree 7 when necessary.