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

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1 In recent years , concern has been raised over exposure to ionizing radiation from radon gas .
2 The average size of transactions , it was noted above , has been rising over time and now amounts to about £1 million for transactions with customers and about £4 million for intra-market business .
3 The president , in the middle as usual , has been poring over budget items in the millions , the tiny cogs of the federal machine .
4 He is holding forth about beauty to an audience which has been short-changed over food and drink and entertainment .
5 However , Hakim ( 1982 ) re-analysed the data and found that ‘ the results … confirm the association between crime and unemployment , and suggest it has been increasing over time ’ ( p.453 ) .
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