YOU SAID:

Have you ever been as decided to go

INTO JAPANESE

行くことに決めたことがありますか

BACK INTO ENGLISH

Have you ever decided to go?

INTO JAPANESE

行くと決めたことはありますか？

BACK INTO ENGLISH

Have you decided to go?

INTO JAPANESE

行くことに決めましたか？

BACK INTO ENGLISH

Have you decided to go?