YOU SAID:
if i hadn’t joined a gym
INTO JAPANESE
ジムに参加していなかったら
BACK INTO ENGLISH
If you didn't attend the gym
INTO JAPANESE
ジムに通っていなかったら
BACK INTO ENGLISH
If you didn't go to the gym
INTO JAPANESE
ジムに行かなかったら
BACK INTO ENGLISH
If you didn't go to the gym
Okay, I get it, you like Translation Party.