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.
音を立てる
otowotaterumake a noiseN3expression
Example sentences1
赤ちゃんが寝ているときは、音を立てるのはやめてね。
akachan ga nete iru toki wa, oto o tateru no wa yamete ne.
When the baby's asleep, don't make noise, okay? casual