条件形 => Conditional form N4
... だろうが、... だろうが => Whether it's ... or ... N3
Demonstrate by example
うが~うが => Whether A or B N1
Miscellaneous
~ようが...まいが => whether or not; regardless N1
より~ほうが => is more than N5
…どうりがない => No reason... N2
Emphasize negative meaning
うと~まいと,うが~まいが => Whether or not A (is/occurs) N1
Based/focused/depending on
~ (よ) うと(も)/ (よ) うが => even if; no matter how/what ~ N1
Innocent
…ほうがよかった => If only (Regret) N3
Regret
~ ほうがましだ => better than; would rather ~ N1
Evaluate
て仕方がない/てしょうがない => can't help but; very; extremely ~ N2
ほうがいい => had better; it'd be better to; should ~ N4