The phrase "has long prevailed" is grammatically correct and can be used in written English.
It is typically used to describe a situation or phenomenon that has existed for a significant amount of time. Example: The traditional values of the community have long prevailed, passed down from generation to generation.
That view has long prevailed largely because of their distinctly primitive sauropod-like appearance and also because of their Late Triassic Early Jurassic occurrence.
If there's one thing that the Dominique Strauss-Kahn affair shows, it's the abiding code of omertà that has long prevailed.
Inequality has long prevailed in Indian society, but compared with other countries, including China and the United States, that gap is relatively modest.
Yet not far away, people at a different rally waved national flags and warned that dividing the country by ethnicity would incite tension and undermine the ethnic tranquillity that has long prevailed in Nepal.
WHEN the Democratic Party of Japan (DPJ) took power last month, it declared an end to the cosy relationship between business and government that has long prevailed in Japan.
The idea has long prevailed that a film's potential audience falls in inverse proportion to the main character's oestrogen levels, but this has been discredited by Brave, which has already grossed more than $340m.
Even so, these arguments have long prevailed at the Securities and Exchange Commission, delaying regulations to put the pay-ratio provision into effect.
Eastern Washington, for example, where more conservative voting patterns have long prevailed, had some urban areas growing faster than the west, recent census numbers show.
It was a survey of contemporary artists concerned with color and perceptual effects in formalist terms, as against an Expressionist mode that had long prevailed.
Its gangster anti-hero and realistic underworld background broke with the derogatory, cartoonish or earnestly affirmative representations of Arab characters that had long prevailed in French cinema.
Although this parental support seems to be a good thing, the new arrangements also rankle many people and violate ideals of autonomy that have long prevailed in this nation.
