Example sentences of "[be] know that [adj] [noun] [prep] " in BNC.

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1 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 .
2 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 ) .
3 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 .
4 This finding may be important , since it is known that chemical modification of lysine amino groups of the apoprotein may interfere with the specific LDL receptor binding and hence clearance of LDL ( Gonen et al , 1981 ; Kim & Kurup , 1982 ; Witzum et al , 1982 ) .
5 Returning to the visual system , it is known that simultaneous destruction of both visual cortex and superior colliculus produces complete insensitivity to brief light flashes in monkeys whereas destruction of either structure in isolation has no effect ( Mohler and Wurtz 1977 ) .
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