Example sentences of "it is often very difficult [verb] " in BNC.

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1 It is often very difficult to withhold any attention from a problem behaviour .
2 For the citizen with a need , whether it be welfare , housing assistance , job training or scores of other tasks the federal government has tackled through its grants it is often very difficult to decide just who is responsible for what .
3 Because of the uncertainty about the diagnosis , the prolonged treatment often advocated , and the slightness of the symptoms in many cases , it is often very difficult to persuade patients that they are cured .
4 When used in pillar drill , it is often very difficult to reach the on-off switch with one hand on the lever .
5 It is very easy to have all the right motives , intentions and objectives ; it is often very difficult to put these intentions effectively into practice .
6 With delays caused by disturbance to the regular progress of the works it is often very difficult to tie cause and effect together with any certainty .
7 It is often very difficult to find adequate coverage of one species over the sampling area , except in areas of recent forest monoculture .
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