ばこそ => Because of A N1
Reason, Result, Response
や、やいなや => As soon as A, B N1
Time, Situation
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
までだ/までのことだ => Only A (will be done) N1
(Not)only , (Not) even
ところだった => About to… N3
Will, Decision, Doing
たいばかりに => B is done solely because of A N2
Reason, Result, Response
といえば/というと/といったら => N3
Considering, Concerning
てやる => Do for someone N4
Give and take advice
やる => Give B to A N4
Give and take advice
に[答「こた」]えて => In response to A N2
Reason, Result, Response