Составить 10 преложений с вспомогательным глаголом have

1. I have never seen such a beautiful cathedral.

2. We have just sent a message to our friends.

3. They have already prepared everything for our party.

4. My sister will have come back home by Sunday.

5. The children will have passed all their exams by the beginning of summer.

6. The tickets have just been booked.

7. The rooms have already been cleaned.

8. I haven't visited my friends yet.

9. My relatives have already returned from their voyage.

10. We have not received an invitation to her birthday yet.