Example sentences of "[to-vb] [noun] [prep] a long period " in BNC.

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1 During the two phases of Pilot schemes , which were essentially experimental , detailed policy could only be formulated for the short term but , as the new system is becoming established , this letter is able to state policy for a longer period .
2 The large amounts of data needed for such an analysis were obtained by means of a participant observation method which allowed the investigator to record speakers over a long period , returning to collect more data if specific gaps emerged in the course of the analysis ( cf. 3.1 ) .
3 It then lends the money to house purchasers for a long period of time by granting mortgages ( typically these are paid back over 20 to 30 years ) .
4 Iron fittings could replace wooden components gradually , allowing major alterations to take place over a long period .
5 It had to take place over a long period , in the face of a prodigious number of uncontrolled variables which were likely to confuse the outcome .
6 The length of time it has been operation will determine how much money she gets back , but it is unlikely to have made much of a profit , because endowments are designed to make money over a long period of time .
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