YOU SAID:

My friend's in there.

INTO JAPANESE

私の友人はそこに。

BACK INTO ENGLISH

My friends are there.

INTO JAPANESE

私の友人があります。

BACK INTO ENGLISH

A friend of mine.

INTO JAPANESE

私の友人。

BACK INTO ENGLISH

17639:my friend

INTO JAPANESE

私の友人

BACK INTO ENGLISH

17639:my friend