Example sentences of "be [vb pp] over a [adj] year " in BNC.

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1 These had been developed over a one year period and had been fully piloted .
2 As effective economic policy can hardly be judged in less than a three year period , and political affiliation is also a long-term question , it seems entirely reasonable that aid should be committed over a three year period .
3 Both groups of students will be tracked over a 2 year period .
4 The data were collected over a 22 year period during which the frequency of diagnosis of endometriosis increased dramatically , with , for example , the reported incidence at time of laparoscopic sterilisation rising from <5% to 18% .
5 Twelve consecutive patients were studied over a one year period .
6 This reading skills course was developed over a four year period at the Faculty of Political Science in Bologna , Italy .
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