YOU SAID:
the man cannot cook rice in the olden days
INTO JAPANESE
人は昔は米を食べることができない
BACK INTO ENGLISH
People can not eat rice in the past
INTO JAPANESE
過去に米を食べることはできない
BACK INTO ENGLISH
Can't eat rice in the past
INTO JAPANESE
過去の米を食べることができません。
BACK INTO ENGLISH
You can't eat rice in the past.
INTO JAPANESE
過去の米を食べることはできません。
BACK INTO ENGLISH
You can't eat rice in the past.
That didn't even make that much sense in English.