Example sentences of "it [be] not know that " in BNC.
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| 1 | If it were not known that pupil-dilation was intimately related to neurological functioning of the brain its absence in some cases of head injury might go unremarked ; but once its significance is appreciated , such a seemingly slight symptom assumes drastic importance . |
| 2 | He does n't usually do that ; at least , it 's not known that he does . |
| 3 | They arrived on Christmas Eve 1924 , proving that high-quality electrical test recordings existed at the end of 1924 , although it is not known that any of these survive today . |
| 4 | Husameddin 's argument , moreover , ignores the facts that Shams al-Din is known to have been part of Molla Fenari 's name but not , so far as can be discovered , of that of his son and that the son was regularly referred to as Mehmed Sah whereas it is not known that Molla Fenari ever was . |
| 5 | When the plans were made it was not known that Myrtle Mott would be unable to teach during the year or that one of the days selected would coincide with an invitation for the N.D.T. to appear in Scotland . |