Помогите с английским: DD Нужно исправить ошибку в каждом предложении

1. These fireman have come in time.
2. There is a cellar in prison.
3. I have seen oxes.
4. Are these your knifes?
5. The breakfast is at eight.
6.The house is ful of newspapers.
7. Look at that tree. He is nice.
8. Are they raedy?
9. Does she likes football?
10. How they are?