I don't often use the ring finger, but sometimes do what Peggy Seeger called the "lullaby lick".

_______M___________
____I_____I_____I__
_T_________________
___________________
_______T_____T_____

or I waltz time:

_______M___________M_____
____I_____I_____I_____I__
_T_______________________
_________________________
_______T_____T_____T_____


In dropped C tuning (gCGBD) it sounds good played:

_______R___________R_____
_______M___________M_____
____I_____I_____I_____I__
_T_______________________
_____________T___________