YOU SAID:
I ate my dinner in the bathtub
INTO JAPANESE
私は夕食をバスタブで食べました
BACK INTO ENGLISH
I had dinner in the bathtub
INTO JAPANESE
バスタブで夕食を食べました
BACK INTO ENGLISH
Ate dinner in bathtub
INTO JAPANESE
バスタブで夕食を食べた
BACK INTO ENGLISH
Ate dinner in bathtub
You've done this before, haven't you.