YOU SAID:

I did not create penicillin nature did that I only discovered it by accident

INTO JAPANESE

私は偶然それを発見しただけでペニシリンを作らなかった

BACK INTO ENGLISH

I accidentally found it and did not make penicillin

INTO JAPANESE

誤って見つけてペニシリンを作っていない

BACK INTO ENGLISH

I have not found penicillin by mistake.

INTO JAPANESE

ペニシリンを間違えて見つけたことはありません。

BACK INTO ENGLISH

I never found penicillin by mistake.

INTO JAPANESE

ペニシリンを間違えて見つけたことは一度もありません。

BACK INTO ENGLISH

I have never found penicillin by mistake.

INTO JAPANESE

ペニシリンを間違えて見つけたことは一度もありません。

BACK INTO ENGLISH

I have never found penicillin by mistake.