YOU SAID:

I am going to fail finals

INTO JAPANESE

決勝は失敗するつもり

BACK INTO ENGLISH

Final is going to fail

INTO JAPANESE

決勝は失敗するだろう

BACK INTO ENGLISH

Will fail the finals

INTO JAPANESE

決勝戦は失敗します

BACK INTO ENGLISH

The final round will fail

INTO JAPANESE

最終ラウンドは失敗します

BACK INTO ENGLISH

The final round will fail