何か => Something N5
Doubt
か何か => or something N3
ません => be not doing something N5
Result status
ませんでした => Did not... N5
Negation in the past
てすみません => I'm sorry for... N4
~もなにも(~も何も)      => ~ and everything N1
Description
じゃありません => not to be N5
Emphasize negative meaning
~ます/~ません => Polite, present form N5
Verb suffixes
させていただけませんか => Could you please let me do... N4
何をしますか => What are you doing... N5
Doubt
... はいけません => must not; may not; cannot N4
Ban
いただけませんか => could you please ~ N4