YOU SAID:

my sister got into a car crash :(

INTO JAPANESE

私の妹は:(に自動車事故に遭いました

BACK INTO ENGLISH

My sister had a car accident in : (

INTO JAPANESE

私の妹はで交通事故に遭った:(

BACK INTO ENGLISH

My sister was in a car accident at :(

INTO JAPANESE

私の妹は:(で交通事故に遭いました

BACK INTO ENGLISH

My sister was in a car accident with: (

INTO JAPANESE

私の妹は交通事故に遭っていた:(

BACK INTO ENGLISH

My sister was in a car accident :(

INTO JAPANESE

妹が交通事故に遭い:(

BACK INTO ENGLISH

My sister was in a car accident: (

INTO JAPANESE

私の妹は交通事故にあった:(

BACK INTO ENGLISH

My sister was in a car accident :(

INTO JAPANESE

妹が交通事故に遭い:(

BACK INTO ENGLISH

My sister was in a car accident: (

INTO JAPANESE

私の妹は交通事故にあった:(