Example sentences of "it [be] know that [adj] [noun pl] " 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 Yet if it were known that microcephalic babies ( perhaps older infants as well — would it make a difference ? ) were regularly sold to research laboratories , then there would undoubtedly be an outcry .
3 It is known that Israeli doctors were the first outside medical experts to reach the scene .
4 Now it is known that ripening tomatoes ripen faster when placed together on a window ledge , because they produce ethylene gas which stimulates their neighbours to faster and synchronous ripening .
5 It is known that feral pigeons may convey diseases which are transmissible to man and so large congregations of birds may cause public harm .
6 Emptying of radioopaque markers does not reflect gastric emptying of food components , as it is known that indigestible particles larger than 1.5 mm are emptied from the stomach during the interdigestive period .
7 It is known that wealthy industrialists joining the upper class by virtue of a newly acquired spending power , sought to buy into the status of the latter by becoming landowners and patrons of art .
8 In the presence of malignancy it is known that different tissues can respond in different ways .
9 A good deal of depressive illness is known to follow adverse life events and it is known that human infants show considerable variation in response to separation from their mothers .
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