1. I asked him a question. <br/><br/>2. I asked a question of him. <br/><br/>3. A question was asked of him by me. <br/><br/>4. I was asked a question by him. <br/><br/>5. I was asked of a question by him. <br/><br/>Hi native teachers! Today is about passive voice. <br/>Sentence 1, 2, and 3 are correct. Then how about the others?