N5 — outside your level filter
Is said whole, with nothing composed onto it and takes no copula, so there is no paradigm to conjugate.
えーと
e-towell, let me seeN5expression
Readings and definitions from JMdict, © the Electronic Dictionary Research and Development Group (EDRDG), used under CC BY-SA 4.0; the words themselves come from the Tanos JLPT lists.