Example sentences of "[pron] have not [adv] been possible " in BNC.

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1 This reorganization gave an overview of the education system which had not previously been possible .
2 There are a number of variables that can be studied now by noting only each occurrence , but not each non-occurrence , since it has not yet been possible to close the possible set of variants [ my emphasis ] .
3 However , it has not yet been possible to obtain agreement on the need for specific regulation for construction liability and so the principle of subsidiarity continues to apply for the time being .
4 They were seen to be working in the same direction and although it has not yet been possible to gauge the extent to which they help in the task of managing new education , their contribution to quality assurance should , by tradition , be valuable .
5 It had not always been possible for him to observe the phenomenon on his own .
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