ABSTRACT
https://www.niso.org/standards/z39-96/ns/oasis-exchange/table">
Adjective
Adverb
pen (pretty)
→
pent (prettily)
Hun er pen.
Hun synger pent.
(She is pretty.)
(She sings prettily.)
god (good)
→
godt (good/well)
god mat
Maten smakte godt.
(good food)
(The food tasted good.)
lang (long)
→
langt (a long way, far)
Veien er lang.
De kjørte langt.
(The road is long.)
(They drove a long way.)
These and similar adverbs are identical to the neuter form of the adjective.