N2 — 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.
申し訳ありませんが
moushiwakearimasengaI'm terribly sorry, butN2expression
Example sentences2
申し訳ありませんが、今日はもう満席です。
moushiwake arimasen ga, kyou wa mou manseki desu.
I'm terribly sorry, but we're already fully booked today. neutral
申し訳ありませんが、少々お待ちいただけますか。
moushiwake arimasen ga, shoushou omachi itadakemasu ka.
I'm terribly sorry, but could you wait a moment? formal