... 前に => Before ... N4
Relationship before and after
~はめになる(~羽目になる)     => to get stuck with (some job); to end up with (something unpleasant) N1
~[前「まえ」]に => Before N/Vる(occurs/happens) N5
Time
... 前に => ... in front of, before N4
Relationship before and after
前に => before; in front of ~ N5
~には~の~がある      => has its own~ N3
Characteristic
を前提に => On the premise of N1
Premise
がっている => Want, like N4
Secondary Verb
に...ができる => complete N4
Completed
ながらに,ながらの,ながらにして => While A, during the condition A, Since A (point in time) N1
Time, Situation
がっている => Wants to A N3
Will, Decision, Doing
~んがため(に)/~んがための      => in order to ~ N1