じゃありませんでした => was not, were not N5
Emphasize negative meaning
じゃありません => not to be N5
Emphasize negative meaning
あまりに(も)~と / あんまりに(も)~と => too much; so much… that; excessively ~ N3
Extreme level
そうじゃありません => Not like that, Not that way N5
Confirm
んじゃない => can not, impossible to... N4
Ban
なんとも~ない => can't ... like that N3
Evaluate
なんとも => Unimaginable N3
Evaluate
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
なんということもない => Nothing worth mentioning N3
Emphasize
まんざらでもない => not so bad... N3
Evaluate
なんともおもわない => think nothing of N3
Invariant
~をきんじえない(~を禁じ得ない) => can't help but; can't refrain from ~ N1