N3 — 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.
鍵がかかっている
kagigakakatteirube lockedN3expression
Example sentences1
鍵がかかっているドアは開けられない。
kagi ga kakatte iru doa wa akerarenai.
A door that is locked can't be opened. neutral