YOU SAID:

maybe three for me and you and him.

INTO JAPANESE

私とあなたと彼で3つかもしれません。

BACK INTO ENGLISH

There might be three, me, you, and him.

INTO JAPANESE

私、あなた、そして彼の3人かもしれません。

BACK INTO ENGLISH

It could be me, you, and him.

INTO JAPANESE

それは私、あなた、そして彼かもしれません。

BACK INTO ENGLISH

It could be me, you, and him.