N4 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ／です, so there are no forms to conjugate.
ごめん
gomensorry (casual)N4expression
Example sentences2
ごめん、遅れちゃった。
gomen, okurechatta.
Sorry, I'm late. casual
ごめん、電話に出られなかった。
gomen, denwa ni derarenakatta.
Sorry, I couldn't answer the phone. casual