YOU SAID:

I could eat a whole loaf of bread

INTO JAPANESE

一斤一斤を食べることができた

BACK INTO ENGLISH

I was able to eat one loaf

INTO JAPANESE

一斤を食べることができました

BACK INTO ENGLISH

I was able to eat a loaf

INTO JAPANESE

私はパンを食べることができました

BACK INTO ENGLISH

I was able to eat bread

INTO JAPANESE

パンが食べられました

BACK INTO ENGLISH

Bread was eaten

INTO JAPANESE

パンが食べられた

BACK INTO ENGLISH

Bread was eaten