11.   Fresh fruit and vegetables, now arriving with greater frequency in the markets, are priced beyond the reach of most families.

12.   His immune system has weakened, and illnesses are striking with greater frequency.

13.   Jerry began to notice that on certain crucial days some of the equipment seemed to malfunction with a greater frequency than on non-critical days.

14.   Make-or-break plays will take place with greater frequency until June, when the new NBA champion is crowned.

15.   Phone line quality has also continued to improve, so more tones can be used over a greater frequency range.

16.   Others do work out with greater frequency, however.

17.   Santana introduced his changeup with greater frequency during the final four innings he pitched and emerged unscored upon.

18.   Some patterns account for a greater frequency of seemingly rare events.

19.   Specialists point out that this type of financially risky buyout tends to occur with greater frequency near the end of a long bull market.

20.   Such circumstances are expected to arise with greater frequency as more companies market their products online.