Example sentences of "some [noun sg] [modal v] have been [verb] " in BNC.

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1 And Harold Furth , Director of the Princeton University Plasma Physics Laboratory made similar remarks : ‘ Whatever the reality and utility of ‘ test-tube fusion energy ’ , some progress may have been made … in focusing the world 's attention on the potential value of a realistic long-term strategy for the achievement of the fusion energy goal . ’
2 Some confusion may have been caused by the use of the word ‘ agent . ’
3 Some confusion may have been caused by the use of the word ‘ agent . ’
4 Neither viewpoint is absolute , but some reference should have been made to several recent studies of evolutionary rates in the Pleistocene mammals of Europe .
5 Nor is this particular variation , the story in which the interest lies in how a baffling murder of some sort can have been committed .
6 Some satisfaction , let it be conceded ; and it will certainly be true that most voters will find that a candidate for whom they have expressed some preference will have been elected .
7 At this stage the actual response categories may not have been considered in detail , but if the questions themselves justify inclusion some thought should have been given to the response categories envisaged for analysis since it is the answers which will be analysed .
8 The acquirer may not have the time or be willing to make the inspections and will not want to accept the risk that some information may have been given to one of its employees or advisers who was unable at the time to appreciate its significance in relation to the transaction , or indeed may have been forgotten .
9 Engaged in a quarrel , in which some bullying might have been going on , the younger boy had produced a pistol and shouted : ‘ You wo n't touch me when I have this .
10 We have attributed these effects to the difference in fibre content of the two diets but some contribution may have been made by the difference in protein content as some protein may have reached the colon and also have been fermented .
11 Therefore either the customers must continually be changing identity ( so it is sensible for them to engage in some search ) and some expectation must have been built up about potential high benefits to search , or else search costs must be truly trivial , in order for the potential incumbent to stand a chance of usurping the established firm .
12 And fifteen minutes later , with all the completed questionnaires returned , there was good reason to suppose that Morse could be right , since three of those concerned , Eddie Stratton , Howard Brown , and John Ashenden , appeared temporarily unable to provide corroboration of their individual whereabouts and activities during the key period of the previous afternoon — the afternoon when the original groups , three of them , had been re-formed slightly ( following Kemp 's telephone call ) , and when anyone wishing to absent himself for some purpose would have been presented with a wonderful opportunity so to do .
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