YOU SAID:

I am not gonna go back in the next few months but now I’m gonna go to the gym

INTO JAPANESE

次の数ヶ月で戻るつもりはありませんが、今はジムに行くつもりです

BACK INTO ENGLISH

I'm not going back in the next few months, but now I'm going to the gym

INTO JAPANESE

次の数ヶ月は戻ってこないが、今はジムに行く

BACK INTO ENGLISH

I won't be back in the next few months, but now I'm going to the gym

INTO JAPANESE

今後数か月は戻ってこないが、今はジムに行く

BACK INTO ENGLISH

I won't be back in the next few months, but now I'm going to the gym