[少「すこ」]しも~ない => Not (even a little) A N3
Not only, Not even
~かもしれない => Might A, maybe A, perhaps A N4
Sentence Endings
かも[知「し」]れない => Might A, maybe A, perhaps A N3
Sentence Endings
かぎり/ないかぎり => While A is the case/still true N2
Conditional, While
もしも~なら => If A... N3
Conditional, While
かいもなく => Even though A, N2
Contrast,Surprise
てばかりはいられない => Cannot always A N2
Needs, Requirements
しか~ない => Only , no more than , There's only N5
Amount
てもかまわない => No problem N4
Can, Should, Must
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility
もしないで => Even though (subject) doesn't/don't A N1
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