ねばならない/ねばならぬ/ねば => have to do; must; should ~ N2
かりに…たら/…ば => If..., suppose... N3
Condition (hypothetical condition)
いちど .... ば/... たら => Just... once N4
Conditions (sufficient conditions)
からすると/からすれば/からしたら => judging from; considering; by the look of ~ N2
~てはばからない      => reckless; fearless … N1
そばから => as soon as; right after​ ~ N1
ねばならない => Must A N2
Needs, Requirements
からこそ/~ばこそ/こそ => precisely because ~ N2
それなら(ば) => if that’s the case; if so ~ N2
からいうと/からいえば/からいって => in terms of; from the point of view of ~ N2
そばから => As soon as A, B N1
Time, Situation
から見ると/から見れば/から見て/から見ても => from the point of view of; by the look of; judging from ~ N2