YOU SAID:

I ain't never seen two pretty best friends, one of them always gotta be ugly.

INTO JAPANESE

私は2人のかなり親友を見たことがありません。そのうちの1人はいつも醜いです。

BACK INTO ENGLISH

I have never seen two pretty best friends. One of them is always ugly.

INTO JAPANESE

私は2人のかなりの親友を見たことがありません。それらの1つは常に醜いです。

BACK INTO ENGLISH

I have never seen two pretty best friends. One of them is always ugly.