11.   He discovered the body, and we called the police.

12.   He reproached himself for not having called the police sooner.

13.   He said that the police would be called to investigate Dempsey and he would be out of a job.

14.   Heather fretted, accused, threatened to call the police.

15.   Her mother said she should call the police immediately.

16.   I could pick up the phone and call the police.

17.   I would call the police, everyone.

18.   If they call the police that would be different.