Example sentences of "have been known " in BNC.

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1 But religious education has been known to be fundamentalist and in some cases anti-catholic , depending on the teacher .
2 ‘ I have heard , ’ said Henry slowly , ‘ that on occasion — by accident , usually — aconite has been known to have been mistaken for horseradish . ’
3 The earwig is not immediately recognisable as a gardener 's friend , and has been known to damage fruit .
4 It has been known for the hinges on a canopy to fail or for poorly designed and faulty catches to fail in flight , resulting in a lost canopy .
5 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 .
6 He takes his work-ethic from his leader who , rather than stop , has been known to replace broken guitar strings while hammering out a perfect twelve-bar blues riff .
7 Kelly trains as hard as the rest of the squad at a sports centre in nearby Stone , but according to the team 's joint manager , Ken Roberts , he has been known to polish off three Chinese take-aways afterwards .
8 I will ask him some time what prompted his winning play but it has been known for players to forget matters like that after a week 's hard work .
9 When driving with the rear doors open , as is necessary on warm days to provide ventilation , exhaust fumes escape into the vehicle , making the journey for those in the back even more uncomfortable ; and it has been known for policemen in the back to fall out of the vehicle .
10 Much of it has been known before , from the account published by J. C. Masterman — one of the MI5 men concerned — in 1972 .
11 Again he misses the answer — which is , of course , ‘ No , only once , — and says with a grave look that usually the dogs see it even in poor visibility , but in white-outs it has been known .
12 It has been known for some years now that records of the electricity activity of the brain during sleep — by electrodes attached to the scalp , face and neck — confirm that different types of sleep exist .
13 He has been known to ban from his salon journalists who have criticised Saint Laurent 's more feeble efforts .
14 This appeal has been known to override other considerations .
15 He is also the epitome of the New Man , and has been known to leave his office to arrive home in time to bath his daughter , Mary-Claire , and read her a story before bed .
16 Before the 1987 General Election he had a stand-up row over defence policy with Lord Callaghan , the former Labour Prime Minister , in the House of Commons tea-room , and he has been known to square up to Tories who have enraged him .
17 The famous American film star , W C Fields , has been known to earn as much as £1,000 a day and yet he has said that his greatest thrill in life is the luxury of stretching out at night between freshly laundered sheets .
18 Ever since the pioneering field-work on chimpanzees of the Reynolds ( 1965 ) the species has been known to have a markedly ‘ loose ’ society when compared , for instance , with baboon troops .
19 This mill has been known as Mill Dene and before that Wagstaffs .
20 ‘ It has been known .
21 But be warned : the Hearing Research Trust point out that occasionally aspirin has been known to cause hearing loss , particularly if pill-taking is combined with exposure to persistent loud noise .
22 COUSTEAU : Fully grown , it has been known to reach up to forty feet in size .
23 For obvious reasons , garlic essence is not usually employed in aromatherapy massage ( though it has been known ! ) but instead , is taken as a medicine in the form of garlic capsules .
24 The resemblance is superficial and since 1946 the polled has been known as the British White .
25 This colour type has been known in the lowland regions bordering the North Sea , especially in south Dendre valley , since before 1600 .
26 Clearly this notion , like so many other learning principles , has been known and practised by succeeding generations of child-rearers as simple common sense .
27 A common problem in geographical information systems ( GIS ) , and one which has been known about for many years in the context of choropleth mapping , is that of producing maps from population data aggregated over selected arbitrary areal units .
28 It has been known for centuries that music affects our state of mind and emotions , and so affects our body .
29 The latter phenomenon has been known for some time , Zwaardemaker recording several ‘ cancelling pairs ’ as far back as 1875 , which included :
30 Seeing God in everything has been known for nearly 400 years as pantheism , though the idea is as old as religion itself .
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