MCQ Practice English 📖 Select the correct passive voice of 'I knew him'. A He is known to me. B He was known by me. C He was known to me. D He was known with me. Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up PreviousSelect the correct passive form : We insist on punctuality in this office. NextSelect the passive of 'He eats rice'.