ようになる/なくなる => Become… N3
Time, Situation
ないと,なくちゃ => Must do A N3
Needs, Requirement
かいもなく => Even though A, N2
Contrast,Surprise
なくてはいけない => Must do A; have to A N4
Can, Should, Must
ことなく => Without doing A once (expressed strongly) N2
Will, Decision, “Doing”
~ないでください => Please don't do~ N5
Asking and Telling
なくてもいい => Don't have to A N4
Can, Should, Must
べくもない => Can't A, can't expect to A N1
Potential, Possibility
でなくてなんだろう => It's definitely A (and not something else) N1
Information, Report
くらいなら => I would prefer (doing) B over A N1
Contrast/Surprise
ようになる/なくなる => Come to A (transition over time), Come to be unable to A N4
Time and Change
とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange