Исправьте ошибку в каждом предложении:

1. These fireman have come in time.

2. She haven't spoken to me.

3. I have seen oxes.

4. Are these your knifes?

5. The breakfast is at eight.

1. This fireman has come in time.

2. She hasn't spoken to me.

3. I have seen oxen.

4. Are these your knives?

5. The breakfast is at eight o'clock.