…ば ... た => If ..., then would have N3
Regret
~ばよかった/~たらよかった/~ばよかったのに/~たらよかったのに => If only N3
いちど .... ば/... たら => Just... once N4
Conditions (sufficient conditions)
かりに…たら/…ば => If..., suppose... N3
Condition (hypothetical condition)
いったん~ば/と/たら   => Once you do something N2
Necessity, obligation
~はめになる(~羽目になる)     => to get stuck with (some job); to end up with (something unpleasant) N1
なければ~た => If only it weren't... then... N4
Speculation
... たいばかりに => because I want to… N2
Description
[頂「いただ」]く => Received N4
Give and take advice
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
ばかりでなく => not only.. but also; as well as ~ N3
しばらく => for a moment; for a while; for the time being N3