1. Activa: The company will release the new product in January.

Pasiva: The new product (release) in January by the company.

2. Activa: The children were decorating the classroom for the event.

Pasiva: The classroom (decorate) for the event by the children.

3. Activa: The gardener has mowed the lawn this morning.

Pasiva: The lawn (mow) this morning by the gardener.

4. Activa: The editor is reviewing the final draft of the manuscript.

Pasiva: The final draft of the manuscript (review) by the editor.

5. Activa: The manager had approved the changes before the presentation.

Pasiva: The changes (approve) before the presentation by the manager.

6. Activa: The workers are constructing a new bridge across the river.

Pasiva: A new bridge (construct) across the river by the workers.

7. Activa: The jury is evaluating the submission right now.

Pasiva: The submission (evaluate) right now by the jury.

8. Activa: The nurse will administer the medication to the patient.

Pasiva: The medication (administer) to the patient by the nurse.

9. Activa: The chef had prepared the feast before the guests arrived.

Pasiva: The feast (prepare) before the guests arrived by the chef.

10. Activa: The author is writing a new book on ancient history.

Pasiva: A new book on ancient history (write) by the author.