[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
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
きらいがある => There is a tendency to do A N1
Potential, Possibility
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
うと~まいと,うが~まいが => Whether or not A (is/occurs) N1
Based/focused/depending on
きりがない => There's no end to A, there's no bounds to A N1
Adjectival, Descriptions
[極「きわ」]まる => Extremely A, could not be more A N1
Adjectival, Descriptions
てたまらない => Very A; Extremely A; Really want to do A N2
Degree, Level, Amount
~から~まで => From A to B N5
Time
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility