Example sentences of "extend over a period of " in BNC.
Next page| No | Sentence |
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| 1 | The cases extend over a period of ten years . |
| 2 | But it was not only officers and members of the WEA and the District who were pleased with the final agreement over the rural areas scheme and the conclusion of negotiations of byzantine complexity extending over a period of four difficult years . |
| 3 | If the investigation is a sustained piece of work extending over a period of weeks , a diary work file or log book of activities should be maintained . |
| 4 | Continental basins generally seem to be long-lived features with a subsidence history often extending over a period of 100 Ma or more . |
| 5 | perhaps the most enduring of these funded arrangements was the Cassell Fund 's support for Miss Green 's appointment in the Kettering district , which with Miss Stocks as personal guarantor and additional fund-raiser , support from employers , and modest contributions from the LEA , extended over a period of some twenty years . |