YOU SAID:
i have not washed my clothes in months
INTO JAPANESE
私は何ヶ月も服を洗っていません
BACK INTO ENGLISH
I haven't washed my clothes for months
INTO JAPANESE
私は何ヶ月も服を洗っていません
BACK INTO ENGLISH
I haven't washed my clothes for months
You've done this before, haven't you.