ながらに,ながらの,ながらにして => While A, during the condition A, Since A (point in time) N1
Time, Situation
~ながら、 => While A, B N5
Verb suffixes
ながら(も) => Although A, B N2
Contrast,Surprise
なら => If N4
Conditional
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
ねばならない => Must A N2
Needs, Requirements
もさることながら => While A is (true), B also; A is one thing, but B (as well) N1
Conditional, While
と、と、どちらが~ => Which is more C, A or B N4
Comparisons
きらいがある => There is a tendency to do A N1
Potential, Possibility
にほかならない => Only A N2
Reason, Result, Response
てならない => Very A; Extremely A N2
Degree, Level, Amount