надобно перевести используя герундий

1. He left without looking back. 2. Upon hearing the news, she immediately called them. 3. He went to bed without finishing his work. 4. We are very tired of seeing this city all day. 5. When I got home, I had dinner. 6. Before leaving, my father said he would be back at 7 o'clock. 7. He offended us by telling a lie. 8. The boy answered without looking up. You won't get anywhere without seeing him. Having established this fact (after establishing this fact), he felt full confidence that he was right.