5 In your notebook, complete the sentences with
the past participle form of the verbs in brackets.
1 CCTV cameras are used (use) to find clues
about many crimes.
2 The thief was? (catch) because she talked
about her crime on social media.
3 Yesterday evening two car thieves were?
(chase) by police in fast cars.
4 Sometimes CCTV films are ? (watch) by
special detectives.
5 Last night the witnesses were ? (ask) questions
by police officers.
6 This camera is ? (hid) so that the shoplifters
don't know about it.​