YOU SAID:

Have I been here before?

INTO JAPANESE

私は前にここにされていますか?

BACK INTO ENGLISH

I has been here ago?

INTO JAPANESE

私は前にここでされていますか。

BACK INTO ENGLISH

Have I been here before?

INTO JAPANESE

前に来た事あるの？

BACK INTO ENGLISH

Have you been here before?

INTO JAPANESE

前に来た事あるの？

BACK INTO ENGLISH

Have you been here before?