Раскройте скобки, употребив подходящую форму причастия.1. In the past, legal systems

Раскройте скобки, употребив нужную форму причастия.
1. In the past, legal systems (to be grouped) by geography, history
culture, race, language, religion or official ideology were classified in
different ways.
2. (To be derived) mainly from the Roman collection of laws and legal
interpretations the Civil law appeared during the reign of Justinian I.
3. (To be based) on the Koran, Muslim law is considered to be an
autonomous legal system.
4. (To be marked) by relatively small population with a high standard of
living North European countries have adopted much uniform legislation
especially in the fields of commerce and family law.
5. (To be collected) in the legislative form about 400 years ago, the
original Germanic public and private law became the basis of the modern
legal system of Finland, Norway, Sweden and some countries of Nordic
Europe law system.
6. (To write) in very bad handwriting, the complaint was difficult to read.
7. (To spent) many years abroad while working with common law in
England, he would find it difficult to work in Germany.
8. (To wait) in the hall, he thought over the problem he was going to
discuss in the court room.
9. (To phone) the agency, he continued working on the contract.
10. (To show) the exhibition of the newly published books on law he was
invited to the conference hall.
11. (To hear) the steps of the coming jury he raised his head.
12. (To follow) the colonization, such laws, (to be written down) and (to
incorporate) into the legal systems, were (to impose) by the colonial powers.
13. (To be unwritten) common attributes of customary legal systems are
seldom organized into a set of rules.
14. Usually customary laws (to be agreed) upon by members of the
community.