Example sentences of "we have attempt [verb] a " in BNC.

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1 We 've attempted to design a system which is friendly in that it takes account of the different needs that a person will have at different times while trying to communicate with a computer .
2 In this report we have attempted to evaluate a major initiative in the promotion of curriculum-related library provision in secondary schools in one local authority .
3 It is difficult to be clear about what these might be , but we have attempted to sketch a vision of the future in our response to the UK National Sustainability Report .
4 Nevertheless , we have attempted to derive a better index of fetal adiposity than simple birth weight and have found it to have a significant bearing on results of regression analysis , suggesting that maternal glycaemia does have an impact on fetal size independent of maternal weight .
5 We have attempted to align a previously independent field of inquiry , cognitive and developmental psychology , with evolutionary biology and particularly sociobiology , and in so doing have constructed an ensemble of models that trace , at times clumsily and imperfectly , behavioural development from the genetic blueprint to the assembly of the nervous system to the learning process — and then back down to the alteration of gene frequencies by natural selection operating within the context of particular cultures .
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