8.16Pattern should serve the meter
In 3/4:
bass-chord-chord makes intuitive sense.
In 4/4:
bass-chord-bass-chord works well.
In 6/8:
you may group:
1 2 3 | 4 5 6
and use:
bass arpeggio arpeggio | bass arpeggio arpeggio
The pattern should reinforce the meter.