She could hardly help the sneezes, however, which occurred with increasing frequency.

Blackouts are occurring with increasing frequency and last longer each time.

"Ship fires occur with alarming frequency around the world every year."

Such things had been occurring with increasing frequency of late, but no one knew for certain why.

Instrument smash-ups still occurred at the end of shows, but with less frequency.

Apparently, that sort of turnoff has occurred with great frequency.

Punishment is a consequence that causes a behavior to occur with less frequency.

But similar incidents occur with great frequency, both in New York and across the country.

Each tetranucleotide occurs with similar frequency on the two strands.

Single lipomas occur with equal frequency in men and women.