Example sentences of "[verb] [noun] over a long period " in BNC.
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| 1 | 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 ) . |
| 2 | As with any technique , direct mail has basic principles which must be obeyed if the programme is to communicate and raise money over a long period : * It must be regular ( a minimum of eight times a year ) * It must be personal , relevant and informal * It must be good quality * It must ask for and offer something * It must appeal to emotion first and reason second |
| 3 | Iron fittings could replace wooden components gradually , allowing major alterations to take place over a long period . |
| 4 | 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 . |
| 5 | 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 . |