YOU SAID:
They Couldn't Knit an Elephant At This Distance
INTO JAPANESE
彼らはこの距離で象を編むことができませんでした
BACK INTO ENGLISH
They could not knit an elephant at this distance
INTO JAPANESE
彼らはこの距離で象を編むことができなかった
BACK INTO ENGLISH
They could not knit an elephant at this distance
That didn't even make that much sense in English.