1. Ann has gone to school.
Ann hasn't gone to school.
2. I have done my homework.
I haven't done my homework.
3. Bill has seen Ann's pictures.
Bill hasn't seen Ann's pictures.
4. Bild and I haven't taken our bicycles.
Bild and I haven't taken our bicycles.
Проверьте в этом предложении первое слово.
5. The pupil has written a composition.
The pupil hasn't written a composition.
6. His pets have eaten apples.
His pets haven't eaten apples.
7. Grandmother hasthe vase on the table.
В этом предложении отсутствует сказуемое в задании