1. The mail is sorted by the post office workers every day

=> The post office workers sort the mail every day.

2. The report will be written by the secretary

=> The secretary will write the report.

3. The package was delivered to her house yesterday morning

=> He delivered the package to her house yesterday morning.

4. All of us were surprised by his frank attitude

=> His frank attitude suprised all of us.

5. The engineer hasn't been respected very much by the employees

=> The employees haven't respected the engineer very much.

6. The building is being built now by that company

=> That company is building the building now.

7. Can this bridge be repaired next month?

=> Can they repair this bridge next month ?

8. Are many courses in Fermsn given during the summer?

=> Do they give many courses in Fermsn during the summer ?