YOU SAID:

im drunk in the back of the car

INTO JAPANESE

車の後部座席で酔ってます

BACK INTO ENGLISH

drunk in the back seat of the car

INTO JAPANESE

車の後部座席で酔った

BACK INTO ENGLISH

I got drunk in the back seat of the car.

INTO JAPANESE

車の後部座席で酔ってしまいました。

BACK INTO ENGLISH

I got drunk in the back seat of the car.