のを知っていますか => Do you know...? N4
かも[知「し」]れない => Might A, maybe A, perhaps A N3
Sentence Endings
なければならない/なくてはならない/なければいけない/なくてはいけない/なければだめ/なくてはだめ => must N5
それを => Despite that ... N2
Things do not match the prediction
まだV-られない => Not yet ~ N4
Ability
ずにはいられない/ないではいられない => Can't help but A; A is unavoidable N2
Will, Decision, “Doing”
ていられない => can't afford to; unable to ~ N2
..... ばかりもいられない => can't keep doing ~ N2
Speculation
ではいられない => can't afford to; unable to N2
Base, base
ばかりはいられない => can’t keep doing ~ N2
ていられない => Cannot continue to A N2
Needs, Requirements
ないではいられない => can't help but feel; can't help but do ~ N2