The phrase "has been frequently noted" is correct and widely used in written English.
You can use it to express that something has been observed or pointed out a number of times. For example: "The positive affects of regular exercise on mental health have been frequently noted."
Castle's interest in depicting the built environment has been frequently noted.
As has been frequently noted, the first day of a new Congress is very much like the first day of school.
But then Nordlinger goes on to make a similar claim about New York City: And the following has been frequently noted about the city of my residence, New York: The rich are voting Democratic.
The influence of Kierkegaard's father on his work has been frequently noted.
As has been frequently noted, the ancient Greeks did not have terms or concepts that correspond to the contemporary dichotomy of 'heterosexual' and 'homosexual'homosexual
However, it has been frequently noted in 16q24.3 microdeletion patients, questioning whether this feature might be attributable to haploinsufficiency of other genes flanking ANKRD11 in the 16q24.3 region.
The similarities between Trumpism and Brexit support have been frequently noted.
While spatial interactions among land parcels in terms of fire spread and intensity have been frequently noted by fire managers, quantifying risk and exposure transmission has not been attempted.
Over the last 2 decades, microglial nodules have been frequently noted in MS pathology.
WWOX gene alterations, such as LOH, deletions and translocations, have been frequently noted in numerous types of cancers.
In the United States, difficulties accessing health insurance have been frequently noted among legal immigrants, whereas new immigrants to Ontario receive access to its universal health care system within 3 months of arrival.
