задание по английскому языку

Подчеркните ParticipleI, ParticipleII и укажите функции каждого из них.

- When asked the legal adviser always helps people.

- Having been approved, the new rules came into force.

- Not knowing the legislation my friend broke the law.

- A witness kept silence thinking what to answer to the policeman.

- The bill adopted by the Parliament is of great importance.

- There was a crowd of people pushed back by the police.

- The investigator asked questions looking at the man suspiciously.

- Having robbed the mail train, the criminals looked for a place to hide the money.