"I have frequently observed that people say one thing and then do something quite different."

This is a frequently observed European species with scattered records from many other parts of the world.

By touching an object they can frequently observe past events involving the last person to use it.

Smuggling of goods in the opposite direction was also observed frequently.

Lengths greater than 150 cm are frequently observed in long hair contests.

Minor landslides have been frequently observed, and continue to occur.

As for other species, various predators like hawks and owls are frequently observed on the area.

I frequently observe motorists going 40 miles an hour or faster on winding side streets.

In scenes of this sort I have frequently observed that the presence of a third person seemed to give him confidence.

Big fish are frequently observed at the area.