YOU SAID:
I ain't ever seen to pretty best friends. One of then gotta be ugly.
INTO JAPANESE
私はかなりの親友に会ったことがありません。そのうちの1つは醜いものでなければなりません。
BACK INTO ENGLISH
I haven't met a pretty good friend. One of them must be ugly.
INTO JAPANESE
私はあまり良い友達に会ったことがありません。そのうちの1つは醜いに違いありません。
BACK INTO ENGLISH
I have never met a very good friend. One of them must be ugly.
INTO JAPANESE
私はとても良い友達に会ったことがありません。そのうちの1つは醜いに違いありません。
BACK INTO ENGLISH
I have never met a very good friend. One of them must be ugly.
That didn't even make that much sense in English.