YOU SAID:

I slept with your mom tonight

INTO JAPANESE

今夜はお母さんと寝た

BACK INTO ENGLISH

i slept with my mom tonight

INTO JAPANESE

今夜は母と寝ました

BACK INTO ENGLISH

I slept with my mother tonight

INTO JAPANESE

今夜は母と寝ました

BACK INTO ENGLISH

I slept with my mother tonight