I don't see any reason against it, but I would like to make certain anyways.

Can I say {ben 'ar Sorvo' vIghro' Dajotlhpu'}, for "how many years ago did you take down the cat from the tree" ?

Or is it that because of some reason, we can't use the {'ar} with {ben} ?

mayqel *I love maltz* qunen'oS