YOU SAID:

I once ate a potato that was so big and delicious

INTO JAPANESE

私はかつてとても大きくておいしいジャガイモを食べた

BACK INTO ENGLISH

I used to eat very big and delicious potatoes.

INTO JAPANESE

私は大きくておいしいジャガイモを食べていました。

BACK INTO ENGLISH

I was eating big, delicious potatoes.

INTO JAPANESE

私は大きくておいしいジャガイモを食べていました。

BACK INTO ENGLISH

I was eating big, delicious potatoes.