1.   Divorce is a common occurrence these days.

2.   Flooding in the area is a common occurrence.

3.   Natural disasters such as floods and earthquakes are common occurrences in California.

4.   Getting headaches has become a common occurrence for her.

5.   This node could characterise a reading of a text with a surprise ending or a twist in the tail, which are common occurrences in SF short stories.

6.   Ram raids, muggings, burglaries and car thefts have all become common daily occurrences.

7.   Although the rule book is mute on the etiquette of swamping, a common occurrence with all the paddling, it does include a warning on ramming.

8.   Because the hydraulics overheat, fire is a common occurrence.

9.   A common occurrence is hearing a long list of things a person has done to correct the behavior.

10.   A common occurrence?