Упражнение 7. Определите время и залог сказуемого в системе времен Perfect.
А. 1. She had been shoplifting for many years before she was found out.
2. There has been a sharp rise in the cost of living in the past few years.
3. The need in laws has been recognized by every society.
4. An American invention has created the computer age.
5. There was no proof that the man had been at the scene of crime.