Sam knows me for a long time. (Passive Voice)

سام مجھے کافی عرصے سے جانتا ہے۔ (غیر فعال آواز)

I am known by Sam for a long time

I am known with Sam for a long time

I am known to Sam for a long time

None of these

Know is a verb.

Knew is the second form

while

known is the third form of Know.

Passive Voice = Object + is/am/are + third of verb + to + subject.

ND2-08-2023