てならない => Very A; Extremely A N2
Degree, Level, Amount
てかなわない => A is a problem N2
Adjectival, Descriptions
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
なくてはいけない => Must do A; have to A N4
Can, Should, Must
[決「けっ」]して~ない => Won’t, isn’t N3
Will, Decision, Doing
てもかまわない => No problem N4
Can, Should, Must
ていられない => Cannot continue to A N2
Needs, Requirements
なくてもいい => Don't have to A N4
Can, Should, Must
をおいて~ない => Other than A, B N1
(Not)only , (Not) even
でなくてなんだろう => It's definitely A (and not something else) N1
Information, Report
ことになっている => Plan, rule, decide N2
Information, Report
てはいけない => May not A, must not A N4
Can, Should, Must