YOU SAID:

I'm sorry, I can't answer the phone right now.

INTO JAPANESE

すみません、今電話に出られません。

BACK INTO ENGLISH

I'm sorry I can not call you right now.

INTO JAPANESE

すみません、今電話できません。

BACK INTO ENGLISH

I'm sorry, I can not call you right now.

INTO JAPANESE

すみません、今電話することはできません。

BACK INTO ENGLISH

I'm sorry, I can not call you right now.