Example sentences of "[pron] [noun] [be] not known " in BNC.

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1 Their function is not known , but it is suggested that they may be used to pin a patch of mucosa in position during feeding , or that they may prevent the entry of foreign matter into the buccal capsule when the worm has detached from the mucosa .
2 Its function is not known as yet , but the leaf may serve as mobile camouflage to protect the fish from the eight species of kingfisher which feed along this river or it may act as a ‘ stalking horse ’ as the fish pursues its prey .
3 Although its origin is not known , it is caused by skin bacteria acting on our body chemistry .
4 Unfortunately , their names are not known .
5 His request shows that the School was no longer housed at the Parish Church , but unfortunately its whereabouts are not known .
6 But what specifies just which cells will form an adhesive block separating each somite from its neighbours is not known .
7 Its cause is not known ( personal communication , Boehringer Mannheim UK ( Diagnostics and Biomedicals ) , 1992 ) , though the strips use a glucose oxidase reaction different from the hexokinase reaction of laboratory machines .
8 Their purpose is not known .
9 The date of her death is not known .
10 There was no post mortem examination and she was cremated — so the cause of her death was not known .
11 Numbers are very small , and of course tabular data are only an extremely crude summary of a very complex range of feelings ; however ( excluding those whose attitudes were not known or impossible to summarise ) , it appears that three carers in the action samples felt the strain had lightened , four that it had remained the same and five that it had worsened .
12 His wife , whose name is not known , died before him , and they had one daughter .
13 Any persons whose names are not known to the applicant should be referred to in the application and in the title to the proceedings as " other occupiers " .
14 A person whose identity was not known to him and whose very existence remained to be proved ?
15 He was perhaps still living in 1315 , but the date of his death and the place of his burial are not known .
16 The man who is said to be in his 40s and local was taken to the specialist burns unit at Whiston Hospital but his condition is not known .
17 The names of his parents are not known , nor is that of his wife , but he had brothers Baldwin and Eustace , and sons Eustace and Ernulf .
18 The affiliations of his father are not known , but Thomas was immediately committed to the duke 's ‘ rule and guiding ’ by his mother .
19 The affiliations of his father are not known , but Thomas was immediately committed to the duke 's ‘ rule and guiding ’ by his mother .
20 Rebels stopped him at the airport but his whereabouts were not known last night .
21 , Howell ( 1717 ? –1770 ) , was one of the leaders of the Methodist revival in Wales , The date and place of his birth are not known .
22 Where or with whom James received his training is not known , but by 1783 he was established in London ; and in that year he announced himself by publishing a pamphlet on A Method of Constructing Vapour Baths , and began to exhibit at the Royal Academy .
23 Where he received his training is not known — an apprenticeship in a professional architect 's office away from Kendal seems likely — but as he did not attend the Royal Academy Schools it was probably elsewhere in the north rather than in London .
24 Courtney 's accident happened on the very first lap when he was in the lead at Mather 's Cross between Coleraine and Portrush and he was taken to hospital although his injuries were not known at the course .
25 He married Mary Philipps , but details of his family are not known .
26 The battle near Lopera in which John Cornford was killed was a shambles , and the precise circumstances and date of his death are not known .
27 The date of his death is not known .
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