YOU SAID:
my best friend kusoed on the street yesterday
INTO JAPANESE
私の親友は昨日通りでkusoed
BACK INTO ENGLISH
My best friend was kusoed on the street yesterday
INTO JAPANESE
私の親友は昨日通りでkusoedされました
BACK INTO ENGLISH
My best friend was kusoed on the street yesterday
That didn't even make that much sense in English.