Example sentences of "is know that the [adj] " 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 Before that date it is known that the original Indian population of the Georgia coast hunted , fished and gathered their food .
4 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 ) .
5 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 .
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