YOU SAID:

The chocolate on the fridge was eaten by her fiance

INTO JAPANESE

冷蔵庫のチョコレートは婚約者が食べた

BACK INTO ENGLISH

The chocolate in the fridge was eaten by my fiance.

INTO JAPANESE

冷蔵庫の中のチョコレートは婚約者が食べてしまいました。

BACK INTO ENGLISH

My fiance ate the chocolate in the fridge.

INTO JAPANESE

私の婚約者は冷蔵庫の中のチョコレートを食べました。

BACK INTO ENGLISH

My fiance ate the chocolate in the fridge.