1. Activa: The company will update the software tomorrow.

Pasiva: The software (update) tomorrow by the company.

2. Activa: The teacher is grading the exams.

Pasiva: The exam (grade) by the teacher.

3. Activa: The chef had prepared the desserts before the guests arrived.

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

4. Activa: The engineers are designing a new water filtration system.

Pasiva: A new water filtration system (design) by the engineers.

5. Activa: The city council will build a new park in the neighborhood.

Pasiva: A new park (build) in the neighborhood by the city council.

6. Activa: The photographer was taking photos at the wedding.

Pasiva: Photos (take) at the wedding by the photographer.

7. Activa: The local government has implemented new traffic regulations.

Pasiva: New traffic regulations (implement) by the local government.

8. Activa: The committee was reviewing the proposal when the fire alarm sounded.

Pasiva: The proposal (review) when the fire alarm sounded by the committee.

9. Activa: The children will perform a play at the school festival.

Pasiva: A play (perform) at the school festival by the children.

10. Activa: The staff are decorating the hall for the annual gala.

Pasiva: The hall (decorate) for the annual gala by the staff.