Original sentence: Some forms are relatively controversial among researchers, with the exception of tultëa as the proposed continuative form of an A-stem (by another suggestion, A-stems cannot make a distinction between aorist and continuative form)
Edited sentence: Still, most of the forms would be relatively uncontroversial among researchers, with the exception of tultëa as the proposed continuative form of an A-stem (by another suggestion, A-stems cannot make a distinction between aorist and continuative form)