[切「き」]れない => Can't finish/complete A N3
Potential, Possibility
[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
[命令「めいれい」] => Do A (command) N4
Can, Should, Must
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 => Cannot continue to A N2
Needs, Requirements
ときている => Because of A N1
Reason, Result, Response
かれ~かれ => A or B N1
Lists, examples
てばかりはいられない => Cannot always A N2
Needs, Requirements
と[言「い」]わせれば => On the view of N1
Based/focused/depending on
べきだ/べきではない => Should do A; Must do A, Should not do A; Must not do A N3
Needs, Requirement
~かもしれない => Might A, maybe A, perhaps A N4
Sentence Endings
きり => Only A N3
Degree. Level, Amount