6. had fallen
8. had gone
9. has had
10. has owned
13. had finished
1.
The pianos
are black. 2.They are ballerinas. 3. They are birds. 4. They are teachers.
Как-то так)
1)we have a big house in the country,don’t we
<span>Does Mary take the dog for a walk in the evening?
</span><span>Mary doesn't take the dog for a walk in the evening.</span>