Proszę o pomoc w napisaniu tego na mowę bierna

1. Construction of Forbidden City was completed in 1420.
albo
In 1420 construction of Forbidden City was completed.
2. High walls and moat on all four sides are protecting. (?)
3. From the Forbidden City for nearly 500 years country is governing. (?)
4. In 1924 Forbidden City was renamed Palace Museum and opened to public.
5. Thousands of people ever year are visiting.
6. Film "The Last Emperor", which was directed by Bernando Berolucci, was used as set for. (?)
7. In future might be used again for similar project. (?)
Wydaje mi się jakby brakowało jakichś pojedynczych słów, ale nie znam treści polecenia, więc tyle udało mi się zrobić.