甲斐がない/甲斐(も)なく => it's not worth one's efforts to do something N2
甲斐がある => It’s worth one’s efforts to do something N2
~んがため(に)/~んがための      => in order to ~ N1
んだが => Start the story N4
How to say the beginning
...たいんですが => want N4
How to say the beginning
んですが => opening the story N4
なにがなんでも => by any means... N3
Criticize
なにがなんでも => No matter how ... still (enthusiastic) N3
Will, intention
んがため => For the purpose of doing A N1
Reason, Result, Response
もの/もん/んだもの/んだもん => because; indicates reason/ excuse/ dissatisfaction N3
どんなに~うが => No matter what A, no matter how A N1
Miscellaneous
..は, ...が => Compare は and が N5
Compare