Write the sentences below in the present perfect tense.
1. I saw a penguin. I have seen a penguin.
2. Did they eat breakfast? Have they eaten breakfast?
3. Jennifer didn't finish her homework.
4. They met the president.
5. No, we didn't
6. Did Roberto visit Vancouver?
7. Yes, he did.
8. Mrs. Smith didn't read the book.
9. He was a teacher.
10. Were you in jail?
11. I didn't clean my room.
12. No, they weren't.
13. Was she sick?
14. Did he swim in the ocean?
15. They didn't arrive.
16. Where were they?
17. We lived here for a year.
18. What did he do?
19. It didn't rain for a long time.
20. Who finished the homework?
VA ROG . ESTE URGENT. DAU DE TOATE