かねない => Afraid that N2
Potential, Possibility
ね => Requests confirmation from the listener N5
Particles
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
ねばならない => Must A N2
Needs, Requirements
[兼「か」]ねて => Also for the purpose of A N1
Miscellaneous
させて[頂「いただ」]きます/させてもらいます => Allow me to A N1
Miscellaneous
に[至「いた」]るまで => Up until A; as far as A N1
Degree/ Level/Amount
てたまらない => Very A; Extremely A; Really want to do A N2
Degree, Level, Amount
[全「まった」]く~ない => Not A (at all; even a little bit) N3
Not only, Not even
まま => Still, unchange N4
Situations and Experiences
~ます/~ません => Polite, present form N5
Verb suffixes
ままに => Do B as/like A N2
Adjectival, Descriptions