YOU SAID:

I ain't never seen two pretty best friends. Always one of em gotta be 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。常にemの1つは醜い必要があります。

BACK INTO ENGLISH

I have never seen two pretty best friends. One of the ems should always be 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。 emの1つは常に醜いはずです。

BACK INTO ENGLISH

I have never seen two pretty best friends. One of the ems should always be ugly.