YOU SAID:

who are you talking to?

INTO JAPANESE

誰に話しているのですか。

BACK INTO ENGLISH

I'm talking to someone?

INTO JAPANESE

誰かには話しているか。

BACK INTO ENGLISH

Or talking to someone.

INTO JAPANESE

または誰かに話しています。

BACK INTO ENGLISH

Or talk to someone.

INTO JAPANESE

または誰かに話します。

BACK INTO ENGLISH

Or talk to someone.