YOU SAID:

The monkey was shining his oversized shoes

INTO JAPANESE

猿は特大の靴を磨いていた

BACK INTO ENGLISH

The monkey was polishing oversized shoes

INTO JAPANESE

猿は大きな靴を磨いていた

BACK INTO ENGLISH

The monkey was polishing big shoes

INTO JAPANESE

猿は大きな靴を磨いていた

BACK INTO ENGLISH

The monkey was polishing big shoes