... とすれば => point of view N2
Position, perspective
... を... とすれば/ ... が... だとすれば => in the case of~; assuming~; if A then B (conditional) N2
Consider it
だとすれば => in the case of N2
Deduce
~仮に...とすれば / としたら / とする => ~If..., suppose... N1
Condition (hypothetical condition)
~と(も)なると/と(も)なれば => ~Just, whenever, once N1
Condition (hypothetical condition)
…とすれば => in the case of~; assuming~; if A then B (conditional) ... N3
Condition (hypothetical condition)
ともなると,ともなれば => When (the time/situation) A N1
Time, Situation
としたら/とすれば => in the case of~; assuming~; if A then B N3
…となれば => if that happens N2
Deduce
とあれば => If A N1
Conditional, While
~すればいいものを => if only (someone) would do (something), should have done (something) N1
Criticize
からすると/からすれば/からしたら => judging from; considering; by the look of ~ N2