1. Ann has gone to school.
2. I have done my homework.
3. Bill has seen Ann s pictures.
4. Bill and I have taken our bicycles.
5. The pupil has written a composition.
6. The pupils have given their exercise-books to the
teacher.
7. His pets have eaten apples.
8. Grandmother has put the vase on the table.
9. The students have translated the text.
10. The Blacks have been to Moscow.