YOU SAID:

when the girl came home her mom hit her because she was drunk

INTO JAPANESE

女の子が家に帰ったとき、彼女は酔っていたので彼女のお母さんは彼女を殴った

BACK INTO ENGLISH

When the girl got home, her mom hit her because she was drunk

INTO JAPANESE

少女が家に帰ると、酔っていたのでお母さんが殴った。

BACK INTO ENGLISH

When the girl returned home, she was so drunk that her mother hit her.

INTO JAPANESE

少女が家に帰ったとき、彼女は酔っていたので母親が彼女を殴った。

BACK INTO ENGLISH

When the girl returned home, she was so drunk that her mother hit her.