The school gives relatively frequent standardized tests to identify students falling behind.

It is a relatively frequent occurrence due to frustration, animosity against other players, or simply bad luck.

If it does not (a relatively frequent occurrence), representatives find out why and follow up with "make good" rescheduling.

Although earthquakes are relatively frequent, they rarely cause damage to well constructed structures.

Simple back-to-back home runs are a relatively frequent occurrence.

Historical recreations of London on screen have been relatively frequent.

This kind of surgery is fertility preserving although ovarian failure may be relatively frequent.

Winters are cool with relatively frequent frosts (about 24 per year) and fog.

That is the cause of the relatively frequent earthquakes there.

Many had the opportunity to visit Mexico on a relatively frequent basis.