Example sentences of "[noun] [verb] been known for [adj] " in BNC.

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1 The squinch had been known for some time and was used in Persia , Turkestan , Armenia and Asia Minor .
2 As members will be aware , the Local Government Regions and Districts have been known for some time , and the areas of the Sheriffdoms were published at the beginning of the year .
3 FLARES on the Sun have been known for many years to produce powerful bursts of X-rays , gamma-rays and charged particles .
4 Variants of this reaction have been known for many years .
5 Variants of this reaction have been known for many years .
6 Although the link between social deprivation and road accident casualty rates has been known for some time , the scale of the problem has not been assessed either nationally or locally .
7 The problems of the system under which the starter operates a lever had been known for some years , but the Jockey Club and the course executive failed to replace it , the report added .
8 Although the general distribution of earthquakes around the world had been known for many years , it was only with the establishment of a comprehensive network of seismographic stations to monitor underground nuclear weapons testing in the early 1960s that a detailed global picture emerged ( Fig. 2.10 ) .
9 The research has been done for some time and the results have been known for some time , yet still the Government do nothing .
10 The latter phenomenon has been known for some time , Zwaardemaker recording several ‘ cancelling pairs ’ as far back as 1875 , which included :
11 These letters have been known for some time , as the aggrieved Leone published them in a pamphlet in 1764 .
12 But we know very little about the animals which bore these scales and although a few articulated remains have been known for several years , they show very little anatomical detail and it is not easy to identify immediate relatives .
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