1.   Baggage seems to go missing with alarming frequency on these flights.

2.   Businesses come and go with alarming frequency.

3.   And it happens with an alarming frequency.

4.   After a year in which taxi assaults have happened with alarming frequency, city officials are acknowledging the problem.

5.   But the Cats not only turn the ball over with alarming frequency, but seem to save some of their most egregious errors for crunch time.

6.   For things so large, cars sure do seem to disappear with alarming frequency.

7.   Guns are showing up in schools across the nation with alarming frequency.

8.   Gymnastics, figure skating, running and weight lifting are among the sports in which weight problems and eating disorders are developing at an alarming frequency.

9.   He slips with alarming frequency into zones inaccessible to those around him.

10.   It showed that the system of capital punishment was riddled with unfairness and incompetence, with serious errors erupting with alarming frequency at every stage of the process.