Example sentences of "has been [verb] at some [noun sg] " in BNC.

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1 This is because the aperture problem has been overcome at some level in their visual system .
2 If all the etch-resist is completely stripped away in a short period of time , then perhaps the whole board has been exposed at some stage to too much UV light .
3 My wife has been looking at some furniture catalogues and tells me we would need about £1000 per chair .
4 The success of adults with cystic fibrosis in conducting their lives , education , relationships , and employment has been bought at some cost to the family .
5 Despite the small numbers involved , this work has been discussed at some length because the issues raised are critical for all those who work with elderly people and carers .
6 I would guess that she has been hurt at some time in the past , probably having banged her head or hip .
7 But before I try to answer these questions , let me remind you once again that there are vast areas of the globe , where ethnic politics , however embittered , are not nationalist , sometimes because the idea of an ethnically homogeneous population has been abandoned at some time in the past , or never existed — as in the US — or because the programme of setting up separate territorial , ethnic-linguistic states is both irrelevant and impractical .
8 This research has been expounded at some length here to demonstrate that despite some limitations it is informed by a relatively subtle and complex analysis .
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