Passive voice wie geht das nochmal :D

Put into the passive voice, if possible:

1.
A group youngster damaged many telephone boxes, pulled out wires and tore up telephone books
2. A taxi driver had discovered the fire and called the fire brigade.
3. Last weeek our class went to Paris and visited many sights there.
4. My father will buy me a nice present for Easter(2)
5. After the accident people took the injured person to hospital.
Wäre nett wenn ihr mir helfen könnten bzw. erklären hab keine ahnung mehr wie das geht..
danke mal ;)