Example sentences of "[pron] [be] [adj] [prep] [be] precise " in BNC.

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1 YOU : It is impossible to be precise under the conditions that we encountered .
2 It is impossible to be precise over how much influence Parliament exercises over government policy .
3 Parents ' groups come and go whether or not there are CMHTs and it is difficult to be precise about the CMHT contribution in this field .
4 It is difficult to be precise about the outcome , but again the general impression seems to be that there has been no significant and continuing deterioration , and some well-placed observers thought that behaviour had , on the whole , improved .
5 It is difficult to be precise until the system has been implemented , but some results seem likely .
6 For radiologists , it is difficult to be precise because when contrast medium is passing through the distal oesophagus , the lower oesophageal sphincter is relaxed and it is impossible to define .
7 There were five of them , I think ; it was difficult to be precise in the gloom .
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