Example sentences of "it is impossible know [conj] " in BNC.
Next page| No | Sentence |
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| 1 | The obvious problem with the designs of these experiments is that it is impossible to know whether the difference observed in the test depends on positive transfer in the distinctiveness group , negative transfer in the equivalence group , or both of these . |
| 2 | Although such behaviour corresponds closely to the descriptions of other feral children , it is impossible to know whether these children might have developed similar patterns of behaviour even if brought up in greater contact with people , and it has been suggested that feral children might have been abandoned by their parents because of their behaviour problems . |
| 3 | The lack of analysis of specific songs in Adorno 's writings means that it is impossible to know whether he is talking about real pieces or , more likely , ideal types . |
| 4 | The first is the empirical problem that without formally testing memory in such circumstances it is impossible to know whether there really is a memory impairment in such circumstances and if so how complete it actually is . |
| 5 | It is impossible to know if this story is true since the police have no record of the event . |