YOU SAID:

i had coffee with my mother

INTO JAPANESE

私は母とコーヒーを持っていた

BACK INTO ENGLISH

I had coffee with her mother

INTO JAPANESE

彼女の母親と一緒にコーヒーをいた

BACK INTO ENGLISH

Had coffee with her mother

INTO JAPANESE

彼女の母親と一緒にコーヒーを飲んだ

BACK INTO ENGLISH

Drinking coffee with her mother

INTO JAPANESE

彼女の母親と一緒にコーヒーを飲みながら

BACK INTO ENGLISH

While drinking coffee with her mother

INTO JAPANESE

彼女の母親と一緒にコーヒーを飲みながら

BACK INTO ENGLISH

While drinking coffee with her mother