YOU SAID:

There was a pale woman that disappeared all of a sudden

INTO JAPANESE

突然姿を消した薄い女性があった

BACK INTO ENGLISH

Had a thin woman suddenly disappeared

INTO JAPANESE

薄い女性が突然消えていた

BACK INTO ENGLISH

Thin women had suddenly disappeared.

INTO JAPANESE

薄い女性が突然消えていた。

BACK INTO ENGLISH

Thin women had suddenly disappeared.