'I knew him.'
A
He was known to me.
B
He was known with me.
C
He was known by me.
D
He is known to me.
Correct Answer: He was known to me.
Past indefinite tense - এর passive structure হলাে ob - কে sub + was/were + verb - এর p.p. + to (যদি main verbটি know হয়) + sub - কে ob । সুতরাং বাক্যটির passive voice হলাে : He was known to me.