Example sentences of "that [prep] a [adj] period " in BNC.
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1 | The excavations , a joint venture between British and Italian authorities ( Provincia d'Isernia ) and directed for the last twelve years by the School 's director , Dr Richard Hodges , have shown that for a brief period in the early ninth century San Vincenzo was an exceptional place with far-flung connections . |
2 | The wealth of diamonds incorporated in her regalia reflected the fact that Catherine presided over a realm that for a short period was the world 's leading producer . |
3 | The Chief of Staff continued by stating that he was convinced that with a short period of special training , an ordinary infantry battalion could be employed in the Commando role . |
4 | The survey disclosed that in a three-week period , 309 vessels had passed through the firth and that 94 had refused to identify themselves . |
5 | Hewitt and Burton ( 1971 ) analysed the record for southwestern Ontario and found that in a 50-year period there would be 1 severe drought , 2 major windstorms , 5 severe snowstorms , 8 severe hurricanes , 10 severe glaze storms , 16 severe floods , 25 severe hailstorms and 39 tornadoes . |
6 | The history of forms in art has had some distinguished advocates , some of whom have been concerned with the transformation over time of one form to another ; others have been more attracted to problems of values , arguing either that styles in art change and decay , or that in a particular period there is an artistic will to produce work in a style of its own . |
7 | One disadvantage of this to all parties is that over a long period memories fade and evidence becomes more difficult to establish . |
8 | However , while climatic conditions could lead to some long-term changes in the economy and to sharp annual variations in food prices , there is no reason to doubt that over a long period movements in prices and wages do indicate whether population was rising or falling . |
9 | When the Left want to take control of a particular constituency , they look at its controlling group and note that over a six-month period the maximum number of people attending the decision-making meetings is never more than ( say ) twenty-seven . |
10 | Suppose that over a six-month period , we were investigating changes in attitude of a sample of single girls to contraception , some of the group might get married . |
11 | But do n't forget that over a longer period , shares are bound to do better . |
12 | In some cases a carefully monitored rolling programme ensured that over a given period of time , say a week or a fortnight , the teacher engaged directly with every child in every area of the curriculum ; but in other cases the inequality of investment was not adjusted in this way , and the result was the persistent neglect of certain children and certain areas of the curriculum . |