だが => A. However, B N2
Reason, Result, Response
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
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
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
はずがない => Cannot be A, should not be A N4
Sentence Endings
ようがない => There is no way to do A N2
Potential, Possibility
~ないでください => Please don't do~ N5
Asking and Telling
ただ~のみならず => Not only A, N1
(Not)only , (Not) even
うが~うが => Whether A or B N1
Miscellaneous