Example sentences of "it [be] impossible to be certain " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | However , in the absence of detailed comparative work on the Continent it is impossible to be certain , but such textiles are viewed as a Continental fashion entering southern England through Kent . |
| 2 | Although it is impossible to be certain , this assumption is supported by the overall length of service of the majority , their attachment to the particular employer , as well as their answers to specific questions about redundancy and early retirement . |
| 3 | It is impossible to be certain , however , whether it is always technology that has caused change or whether technical innovation has been spurred by changes elsewhere . |
| 4 | It is impossible to be certain that the child is making explicit his indecision about which square is being targeted ( though the eye movement record suggested that this was the case ) . |
| 5 | If this is correct , and it is impossible to be certain how far the places for which adequate data survive are typical , it may indicate that rural areas saw an earlier recovery of population than the towns and certainly suggests that there were marked variations between different regions of the country . |
| 6 | In the absence of an obvious bleeding point , it is impossible to be certain that bleeding originates from the angiodysplasia until the rest of the gastrointestinal tract has been examined . |
| 7 | Variable proportions of patients with anaemia are found to have dual pathology and it is impossible to be certain which lesion is the major contributor to blood loss until the lesions have been treated . |