YOU SAID:

I killed my moms cat and stole her car

INTO JAPANESE

私は私のお母さんの猫を殺し、彼女の車を盗んだ

BACK INTO ENGLISH

I killed my mom's cat and stole her car

INTO JAPANESE

私は母の猫を殺し、彼女の車を盗んだ

BACK INTO ENGLISH

I killed my mother's cat and stole her car.

INTO JAPANESE

私は母の猫を殺し、彼女の車を盗んだ。

BACK INTO ENGLISH

I killed my mother's cat and stole her car.