YOU SAID:

I haven’t done anything in the past ten months and five years

INTO JAPANESE

この10ヶ月と5年間何もしてない

BACK INTO ENGLISH

I haven't done anything for the past 10 months and 5 years.

INTO JAPANESE

この10ヶ月と5年間何もしていない。

BACK INTO ENGLISH

I haven't done anything for the past 10 months and 5 years.