Dear Yong Peng,

> (1) a person endowed with right views should regard any sankhara as
> impermanent
> (2) a person endowed with right views should regard any sankhara of
> being impermanent
> (3) a person endowed with right views should regard any sankhara from
> being permanent

Not sure what exactly you are asking, but (1) is idiomatically correct for
English. The other two are just bad English. Or are you trying to reflect
various Pali possibilties with differcnt cases ?

Best wishes,
Stephen Hodge