Example sentences of "[prep] be [vb pp] over a period " in BNC.

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1 Furthermore measurement has usually to be made over a period of time .
2 Doing it manually , it had to be done over a period of two or three days , fitting it in after work . ’
3 Where information , particularly of a detailed nature , is to be collected over a period of time the panel has clear attractions .
4 As stated above , the samples of dementia sufferers were to be generated over a period of one year ( 1 April 1984–31 March 1985 ) ; and the development officers were to continue to provide their service for one further year ( until 31 March 1986 ) though no further sample members ( project clients in the case of the action sample ) were to be generated during the second year .
5 In addition to exploring the influences upon arrears , this approach will allow the course of arrears to be traced over a period of time .
6 Broadly speaking , transformation into a common market was to be spread over a period of between 12 and 15 years , with a stepwise progression through stages of four years each .
7 Another plan is for the new partners to be admitted merely on undertaking to contribute their share of the partnership capital , and this may either be raised by borrowing from a bank or insurance company ( with periodic repayments ) or be left to be paid over a period of years by deduction from their share of the profits .
8 All Church properties such as schools , hospitals and cultural establishments , converted into state property by the communist regime , were to be returned over a period of 10 years .
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