Ответ:
1. Bob has written his name.
2. I have drawn a picture.
3. The cat has drunk its milk.
4. George never hasn`t been in Australia.
5. The tree has fallen across the road.
6. John has given his bicycle to his brother.
7. You have made a mistake.
8. We have eaten our dinner.
9. The train just has gone.
10.I just have told the answer.
11. We have been to Italy.
12. I have seen that women.
Объяснение: