YOU SAID:

I'm calling him already.

INTO JAPANESE

私はすでに彼を呼び出しています。

BACK INTO ENGLISH

I am calling him already.

INTO JAPANESE

私はすでに彼を呼び出しています。

BACK INTO ENGLISH

I have already called him.

INTO JAPANESE

私はすでに彼に電話しました。

BACK INTO ENGLISH

I have already called upon him.

INTO JAPANESE

私はすでに彼に電話しました。

BACK INTO ENGLISH

I already called him.

INTO JAPANESE

私はすでに彼に電話した。

BACK INTO ENGLISH

I already called him.