さん => Mr., Mrs., Ms. N5
Respectful, humble
させていただけませんか => Could you please let me do... N4
~なさんな => (Please) do not, Do not, Don't (prohibitive) N1
Ban
させてください/させてもらえますか/させてもらえませんか => please let me do N3
くださいませんか => Could(Would) you please N4
... はいけません => must not; may not; cannot N4
Ban
~ぶん (だけ) => in proportion to; just as much as N1
Related, corresponding
いただけませんか => could you please ~ N4
いささか => a bit N3
Evaluate
て下さいませんか => Please do A (polite) N5
Asking and Telling
さすが (に) … だけあって => being the case; precisely because; as expected from ~ N3
Base, base
さ => -ness N4