Roleset furrow.01 Verbnet Class: NONE "become wrinkled":

Roles:

Arg1:brow, usually

Examples:

person: ns tense: ns aspect: ns voice: ns form: ns


the one example (-)
Mr Pyszkiewicz smiles and his brow furrows.
Arg1:	his brow
REL:	furrows

Could also be transitive, but not often (John furrowed his brow).