1. That book have been read for ten years. 
2. That chair has been moved into the room (by somebody). 
3. The trees havent't been cut yet

4. A computer has been bought by his father since last week

5. Has this exercise been finished by Miss Lan ?

6. The poor has been examined by a doctor. 
7. These trees have been planted in the park. 
8. Have your questions been answered ?

9. These cakes havent't been eaten. 
10. She has been invited to the party by the Parkers

11. We have been taken to school (by somebody). 

Thì hiện tại hoàn thành (Present Perfect)

S + has/have + V3/ed + O
Ex: They have sold bread here.

S + has/have + been + V3/ed + (by + O)
Ex: Bread has been sold here (by them).