senteces of past participle

1. Mayra hasn't traveled to Canada yet.
2. Salome has already gotten the visa.
3. I haven't been to Rusia yet.
4. We have already gone to the retrat.
5. Manuela hasn't bought the materials for the english class yet.
6. Carolina has already sent the video to the miss.
7. They haven't attended the intervew yet.
8. I have already bought the book.
9. She hasn't shut the door yet.
10. He has already hit the ball.