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
あかつきには => After A then B N1
Time, Situation
[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
はさておき => A aside; putting A aside, B (new topic) N1
Miscellaneous
ときている => Because of A N1
Reason, Result, Response
[切「き」]れない => Can't finish/complete A N3
Potential, Possibility
ずにはおかない/ないではおかない => Will definitely A, N1
Will, Decision, Doing
ずにはすまない/ないではすまない => A must be done N1
Potential, Possibility
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”
あるいは => A or B N2
Lists, Examples
ことはない => Not necessary N3
Needs, Requirement
いかんでは,いかんによっては => Considering A, depending on A N1
Based/focused/depending on