ことになっている => Plan, rule, decide N2
Information, Report
や、やいなや => As soon as A, B N1
Time, Situation
っこない => A is definitely not possible N2
Potential, Possibility
めったにない => Rarely N3
Degree. Level, Amount
やすい => A is easy to do N4
Verb Suffixes
ところだった => About to… N3
Will, Decision, Doing
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
に[沿「そ」]って/に[沿「そ」]い/に[沿「そ」]う/に[沿「そ」]った => Along with A; In line with A N2
Based, Focused, Depending on
といったところだ => Display an amount/level/degree A (程度) N1
Degree/ Level/Amount
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
に[越「こ」]したことはない => It's better if A, it's better if it's A N1
Comparison/ Exchange