YOU SAID:

I’ll prove you wrong!

INTO JAPANESE

私はあなたが間違っていることを証明しよう！

BACK INTO ENGLISH

I was trying to prove that you are wrong!

INTO JAPANESE

私は君が間違っていることを証明しよう!

BACK INTO ENGLISH

I will prove that you are wrong!

INTO JAPANESE

私はあなたが間違っていることを証明します！

BACK INTO ENGLISH

I will prove that you are wrong!