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

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1 It is known that the upper stage was added in the 17th century .
2 There are no records of mesotrophic grassland for the Outer Hebrides in the NVC , but it is known that the following communities occur :
3 It is known that the regulatory protein p4 efficiently displaces σ A -RNA polymerase bound at P A2b and directs it to the adjacent but divergently transcribed P A3 promoter ( 14 ) , transcription from P A3 being negligible in the absence of p4 under the ionic conditions used ( 22 ) .
4 It is known that the Tory machine is particularly disappointed with the way that its messages on ‘ constitutional ’ issues such as Europe have failed to come across .
5 It was known that the financial controls within the industry left a good deal to be desired , but when the new Minister of Fuel and Power , Aubrey Jones , tried to tighten up in 1956 ( even beginning the publication of annual investment targets in a bid to increase the Boards ' commitment to them ) , he found it was not easy to impose such discipline when his target was fixed unreasonably low , as the Boards assured him it was .
6 The accession of the new Tsar , Alexander II , in January 1855 , was followed by an outburst of diplomatic activity in Paris and London , since it was known that the new sovereign was inclined to peace and the allies were more than willing to bring the conflict to an end .
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