This is somewhat bigger and more intricate than what you asked for - but yes, you can pull what you need from this macro and make your own. :)
Code:
#showtooltip
/cast [stance:1,mod:shift,@focus,exists,harm,nodead][stance:1,mod:shift][stance:1,noctrl]Skull Bash(Bear Form);[stance:3,mod:shift,@focus,exists,harm,nodead][stance:3,mod:shift][stance:3,noctrl]Skull Bash(Cat Form);[mod:ctrl]Faerie Fire (Feral)
---------- Post added 2012-05-21 at 06:43 PM ----------
Edit: Seems I can post properly again... you can just copy paste from above