Помогите составить 15 предложений Perfect Tenses

1. Have you seen Luna?

2. I haven't seen her.

3. But I have heard her speech.

4. I wish I had stayed at home.

5. The children will have grown up, and the parents will move to a new house.

6. He has done his homework.

7. He has been walking with his friends today at 4 p. m ...

8. Have been doing your homework for several hours?

9. I've been in the Zoo today.

10. I have seen Justin Bieber several times there, but I still doubt it was him.

11. He thought that Sarah had been to school today.

12. He thought that Sarah had already done her homework by 5 p. m ...

13. I have just read it in the Daily Prophet.

14. It has been such a fun day.

15. Have you told her that she'd been invited to Slughorn's Christmas party?