YOU SAID:

Oh hi i forgot you were there..

INTO JAPANESE

ああこんにちは私は忘れてそこにいた.

BACK INTO ENGLISH

Oh Hi I forgot, there was...

INTO JAPANESE

ああこんにちは私は忘れてがあった.

BACK INTO ENGLISH

Oh Hi I forgot that was...

INTO JAPANESE

ああこんにちは私は忘れてだった.

BACK INTO ENGLISH

Oh Hi I was forgotten.

INTO JAPANESE

ああこんにちは私忘れられていた。

BACK INTO ENGLISH

Oh Hi I was forgotten.