YOU SAID:

I’ve been sober for a year and five months

INTO JAPANESE

私は1年5ヶ月の間、酒に酔っていた

BACK INTO ENGLISH

I was drunk for a year and five months

INTO JAPANESE

私は1年5ヶ月酔っていた

BACK INTO ENGLISH

I was drunk for a year and five months.

INTO JAPANESE

私は１年５ヶ月間酔っていた。

BACK INTO ENGLISH

I was drunk for a year and five months.