YOU SAID:

When you leave the shop but realise you left your son

INTO JAPANESE

あなたが店を離れても、あなたが息子を離れたことを認識したら

BACK INTO ENGLISH

If you leave the store and you realize that you left your son

INTO JAPANESE

あなたが店を出て、あなたが息子を離れたことに気づいたら

BACK INTO ENGLISH

If you leave the store and you notice that you left your son

INTO JAPANESE

あなたが店を出て、あなたが息子を去ったことに気づいたら

BACK INTO ENGLISH

If you leave the store and you notice that you left your son