Bm7 to G
How to transition from a Bm7 chord to a G chord.
The Bm7 → G transition is the same vi7 → IV move in the key of D.
Chord shapes
Play the Bm7 chord in an A shape, and transition to a full G chord. Keep your third finger in place. Place your fourth finger on the high e string below your third finger. Keep your first finger in place and move your second finger to the low E string.
Bm7Basically D/B
GFull
Anchor fingers: finger 1 on A string (fret 2), finger 3 on B string (fret 3)