Example sentences of "be [vb pp] over a [num] [noun sg] " in BNC.
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1 | These had been developed over a one year period and had been fully piloted . |
2 | As effective economic policy can hardly be judged in less than a three year period , and political affiliation is also a long-term question , it seems entirely reasonable that aid should be committed over a three year period . |
3 | Both groups of students will be tracked over a 2 year period . |
4 | The process of intervention will be studied over a four month period from the time of first referral . |
5 | Volunteers were enrolled over a nine month period . |
6 | Individual faecal excretions were collected over a four day period in 500 ml polythene clip top containers . |
7 | Individual faecal excretions were collected over a 4 day period after injection of the labelled cells , with particular care being taken not to contaminate the faecal samples with urine . |
8 | The data were collected over a 22 year period during which the frequency of diagnosis of endometriosis increased dramatically , with , for example , the reported incidence at time of laparoscopic sterilisation rising from <5% to 18% . |
9 | One of the pair in each case has been changed , but both are being monitored over a 14 week period . |
10 | Twelve consecutive patients were studied over a one year period . |
11 | Until now , the Authority has been prevented from taking action because of a Water Act requirement that samples be collected over a 12 month period . |
12 | The 30 second commercial is a variation on the successful launch advertising and is scheduled over a two month period in England and Wales . |
13 | This reading skills course was developed over a four year period at the Faculty of Political Science in Bologna , Italy . |
14 | Their combined list size was 250739 and from this population a total of 897 attacks was reported over a three month period . |
15 | Clover variety Siwan was measured over a twenty-four hour period and showed a slight growth trend with a large ( over 30% ) roughly periodic variation , see Figure . |
16 | The 1991 Energy Challenge was run over a 370 kilometre course in New South Wales , and the winners were those who completed the course with the least polluting emissions , calculated on the basis of their performance against a " greenhouse gas index " , without holding up other traffic . |
17 | This was recorded over a two week period . |
18 | One of the finest Brooklands races , the June 1914 Aeroplane Handicap , was held over a nine mile course . |
19 | Following his death in January 1970 , an estate auction was held over a three day period the following September . |