ばいいですか => should; can; it'd be good if ~ N4
... 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
ばかりです => only; just ~ (speaker's feeling) N4
Time
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)
~すればいいものを => if only (someone) would do (something), should have done (something) N1
Criticize
にすれば => from one's perspective; from the point of view of ~ N3
Position, perspective
…とすれば => in the case of~; assuming~; if A then B (conditional) ... N3
Condition (hypothetical condition)
からすると/からすれば/からしたら => judging from; considering; by the look of ~ N2
ねばならない/ねばならぬ/ねば => have to do; must; should ~ N2
... ばいい => should; can; it'd be good if ~ N3
Invite and advise