Example sentences of "[adv] over a period [prep] time " in BNC.

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1 It is not surprising that two people , who have worked closely together over a period of time , come up with a similar approach to a problem .
2 It is clear that insubstantial changes will not give rise to a new copyright ( or right to prevent unfair extraction ) but what is the position when a database has changed considerably from its original form but this has happened incrementally over a period of time ?
3 It tends to happen gradually over a period of time .
4 Always exercise gently to begin with , building up gradually over a period of time and remembering that there is never any need to strain yourself .
5 Instead of retreating instead of going underground instead of accepting that the situation had become extremely difficult and it was necessary to try and rebuild their organization and their influence gradually over a period of time , they committed their shattered forces to further battles and more or less completed er their destruction .
6 Where the parties have done business together regularly over a period of time it may be possible to establish that the terms are incorporated by a course of dealing .
7 The behaviour persists continuously over a period of time .
8 If your dog fails to respond readily over a period of time , it will be worthwhile having its hearing checked by a veterinarian .
9 The cumulative effect , however , of attending to such questions consistently over a period of time is considerable and , as teachers agree , eventually time-saving .
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