Example sentences of "[noun] [vb pp] [prep] a long period " in BNC.

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1 Such factors may include , for instance , a previous experience of loss which was dealt with badly , unresolved grief , past experience of failure , a lack of a sense of self-efficacy , a low self-esteem , a previous history of psychiatric disorder , and an absence of close relationships established over a long period of time .
2 Perhaps the attitude developed during a long period of established practice and little change .
3 It was the result of a carefully planned experiment based on numerous other experiments performed over a long period .
4 At its meeting on 25 January the National Executive agreed to a statement surveying Cripps ' " past campaigns waged over a long period " , " his wide departure from the Party 's Programme , Principles and Policy " , and his " organised effort fundamentally to change the Party 's direction and leadership " .
5 Perhaps it is because a predator is able to find and eat relatively large numbers of aposematic prey in a short space of time , and that the high initial rate of feeding produces a more powerful reinforcement than a greater number of prey eaten over a longer period .
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