Example sentences of "been known [that] [adj] [noun] " in BNC.
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| 1 | It has long been known that skilled smallholders , owning their own plots of land , can produce very much more from an acre than large-scale farmers with labourers who can not possibly have the same dedication . |
| 2 | The discussion about the service policeman 's job prospects might have been more sanguine had it been known that civil servants in Whitehall were reading a provocative paper on full employment policy . |
| 3 | For many years it has been known that black people are more likely than whites to be admitted to hospital for treatment of mental disorder , more likely to be admitted compulsorily following being arrested in a public place by the police and far more likely to be diagnosed as having schizophrenia than white people . |
| 4 | It has long been known that amphibian skin contains strong chemicals . |
| 5 | It has long been known that phenylalanine hydroxylase deficiency exhibits a wide and continuous range of clinical and biochemical severity , varying from a symptomless disorder with phenylalanine accumulation only just greater than in obligate heterozygotes to a severely handicapping condition with plasma phenylalanine concentrations over 20 times normal . |
| 6 | It has long been known that pernicious anaemia predisposes to development of gastric adenocarcinoma . |
| 7 | Since 1954 it has been known that focal lesions of the inferotemporal cortex produce a severe and abiding impairment in visual discrimination performance in monkeys ( see Dean 1982 ) . |
| 8 | It had long been known that some metals gave colours to flames ; but this was an unreliable test , because colours are hard to describe exactly , and because they are usually masked by a brilliant orange-yellow . |
| 9 | For a long time it has been known that heavy drinking during pregnancy can badly affect a baby 's development so that when it is born , its face and head are deformed and it is mentally backward . |