Example sentences of "it [is] [adv] know that [det] " in BNC.

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1 It is well known that many children in Romanian hospitals have been infected with HIV through reused needles , syringes and infected blood transfusions .
2 He or she may — and probably will — possess a more subtle view of ‘ professionalism ’ than the capacity to deliver examination results , but at the same time it is well known that many parents and politicians see those results as the crucial way by which schools account for their success or failure .
3 I suggest that the general public also regard statements about animal tested products with caution , as it is well known that many of these products have had extremely adverse effects on human beings .
4 It is well known that many members of Parliament are among those who are deeply dissatisfied with Parliament 's ability to control the executive , or even to find out what it is doing .
5 It is well known that many of the professional singers of early music in Britain were trained in cathedral choir and in Oxbridge chapels .
6 It is well known that each vessel contributes to movement of the lymph by contracting once every 6–10 seconds in response to being gorged with fluid from the vessel upstream .
7 It is well known that all students do not learn in the same way .
8 It is well known that any such sheet of water will attract birds , and these reservoirs ' main importance is for the wintering wildfowl Table VI ( p. 33 ) gives an indication of the ornithological importance of the four major reservoirs which attract about 30 per cent .
9 Now it is well known that any linear differential equation of order n has n independent solutions , the most general solution being a linear combination of these .
10 It is well known that this canal always had water shortages , even before modern water extraction diverted part of its natural supply at Greywell , and thousands of thirsty trees grew up on its banks on what had been open country in 1790 .
11 For example , I wonder why there are no English-speaking contributors to the Panofsky centenary conference , even though it is well known that this approach was most fully developed in the English-speaking world .
12 It is also known that such conditions can be cured by a reduction in anxiety
13 They could obtain compass information from the sun and stars , and it is indeed known that some seasonal migrators follow stellar patterns ; stellar orientation has been particularly well studied in the indigo bunting , a bird that inhabits North America .
14 It is now known that many plants grow at temperatures as low as 0°C , albeit slowly , and it is thought that higher temperatures are more important in the earlier half of the year .
15 It is now known that most children who are sensitive to cow 's milk are actually reacting to the proteins it contains .
16 However , it is now known that some corals can survive settling sediment and that even reefs may develop in muddy surroundings .
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