Example sentences of "[noun sg] over [adj] [noun pl] of time " in BNC.

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1 Anomalous aspects of nature often venerated by ritual over long periods of time become charged with the directed mental/ psychic energy of their race .
2 It is well nigh impossible to compare the rate of crime over extended periods of time ( as Reading 10 , Chapter 5 , taken from Pearson 's study , indicates ) .
3 Pearson 's study of the history of street crime in Britain clearly illustrates the problem of using criminal statistics as a means for comparing the rate of crime over extended periods of time .
4 Not only is the method not scientific but , to the extent that Marx did make certain historical prophecies which can be related to empirical evidence over long periods of time , these can be examined and by and large they have not proved to be valid .
5 This rather defeats its theoretical purpose of putting different types of loan over different periods of time on to an identical basis for comparison .
6 However , where facilities are available for use over short periods of time , the rudiments of camera acting are taught in a structured way .
7 What I know about palaeotology is n't too much I mean I obviously have to try and know a bit , but it 's not my field — erm in order to test the minor claim , you have to be able to get your hands on some rock which actually consists of continuous sedimentation over long periods of time .
8 Comparisons of this kind are difficult to make with accuracy over long periods of time ; but the direction and size of the change are beyond doubt .
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