The Passive form of :-
I know her.
AShe is known to me.
BShe was known to me.
CShe is known me.
DShe is known by me.
The Passive form of :-
I know her.
AShe is known to me.
BShe was known to me.
CShe is known me.
DShe is known by me.
Related Questions:
Change into Passive voice ."Why do you help help her ?"
The passive form of . " Do they write homework ?"