かも[知「し」]れない => Might A, maybe A, perhaps A N3
Sentence Endings
..... ばかりもいられない => can't keep doing ~ N2
Speculation
ばかりはいられない => can’t keep doing ~ N2
のを知っていますか => Do you know...? N4
てばかりはいられない => Cannot always A N2
Needs, Requirements
なりに,なりの,それなり => In A's own way, in a(n) A way N1
Adjectival, Descriptions
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
...なりなんなり... => any,anything,whatever N1
Vague
ないでくれ => please don't N4
Ban
...なり...なり => [A] or [B] or~ N1
Selection
…どうりがない => No reason... N2
Emphasize negative meaning
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1