1. I have been abroad twice.
2. I haven't been in a zoo yet.
3. I have done all my homework.
4. I have learnt a poem by heart some times.
5. I haven't read a "The children's of Arbat" yet.
6. I have painted one piture.
7. I have never been in a camp.
8. I have never worked in a big company.
9. I have seen the "Titanic".
10. I have had a parrot.