も同然 => just like; same as ~ N2
全然~ない => (not) at all N4
ねばならない/ねばならぬ/ねば => have to do; must; should ~ N2
いぜん (依然) => still, as yet, as it has been N3
Invariant
かりに…たら/…ば => If..., suppose... N3
Condition (hypothetical condition)
いちど .... ば/... たら => Just... once N4
Conditions (sufficient conditions)
~もどうぜんだ(~も同然だ)      => just like; same as ~ N1
当然だ/当たり前だ => natural; as a matter of course 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