YOU SAID:
I found a penny aren't that nice
INTO JAPANESE
私はペニーがそれほど良くないことを発見しました
BACK INTO ENGLISH
I found the penny not so good
INTO JAPANESE
私はペニーがあまり良くないことがわかりました
BACK INTO ENGLISH
I found the penny not very good
INTO JAPANESE
私はペニーがあまり良くないことがわかりました
BACK INTO ENGLISH
I found the penny not very good
That didn't even make that much sense in English.