も[同然「どうぜん」]だ => The same as saying A, as good as A N2
Adjectival, Descriptions
ようになる/なくなる => Become… N3
Time, Situation
なり~なり => A or B N1
Lists, examples
ないものでもない/ないでもない => A is not completely impossible N1
Need/Requirements
ねばならない => Must A N2
Needs, Requirements
なければならない => Must do A; have to A N4
Can, Should, Must
てならない => Very A; Extremely A N2
Degree, Level, Amount
にほかならない => Only A N2
Reason, Result, Response
なら => If N4
Conditional
てかなわない => A is a problem N2
Adjectival, Descriptions
なら~なり => If A/B is the case... N1
Conditional, While
ないと,なくちゃ => Must do A N3
Needs, Requirement