Exercice 8 :

1. haven't been cleaned

2. have been caught

3. has been marked

4. hasn't been delivered

5. hasn't been paid

Exercice 9 :

1. The final will be played on Thursday

3. The new shopping centre will be opened by a famous actor

4. The hospital has been closed

5. The whole city has been destroyed by the earthquake

6. They have been seen by no one for days