I wanted to add the shift button as a modifyer to cast the ability/spell on the focus target.
I experimented with "[mod:shift,@focus][]" but could'nt get it to work.
I translated the macros from german to english, so don't mind if there are some spelling mistakes:
#showtooltip
/cast [nostance][stance:2/4/5/6] Faerie Fire; [stance:1/3] Faerie Fire (Feral)(Cat- oder Bear Form)
#showtooltip
/cast [nostance][stance:2/3/4/5/6]Skull Bash(Cat Form);[stance:1]Skull Bash(Bear Form)