YOU SAID:

my mother answered the phone in a possessive tone

INTO JAPANESE

私の母は電話を所有的な口調で答えた

BACK INTO ENGLISH

My mother answered the phone in a proprietary tone

INTO JAPANESE

母は電話に独自のトーンで応答しました

BACK INTO ENGLISH

My mother answered the phone with her own tone

INTO JAPANESE

母は自分の口調で電話に出ました

BACK INTO ENGLISH

My mother answered her phone

INTO JAPANESE

母が電話に出ました

BACK INTO ENGLISH

Mother answered the phone

INTO JAPANESE

母が電話に出た

BACK INTO ENGLISH

Mother answered the phone