YOU SAID:
son of a groundhog is eating my shorts
INTO JAPANESE
グラウンドホッグの息子が私のパンツを食べている
BACK INTO ENGLISH
Groundhog's son is eating my pants
INTO JAPANESE
グラウンドホッグの息子は私のズボンを食べている
BACK INTO ENGLISH
Groundhog's son is eating my pants
You've done this before, haven't you.