Example sentences of "is [adv] difficult [verb] [adj] [noun pl] " in BNC.

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1 It is generally difficult to find recurrent contrasts of form in which they participate , let alone recurrent semantic contrasts — and they do not respond to any of the rescue strategies .
2 The Swans are playing some outstanding rugby these days and , although they were given a hard time of it against Dunvant in the last round , it is always difficult to combat gritty opponents who feel they have nothing to lose .
3 Also it is more difficult to provide interactive services because the trunk lines become cluttered with return signals from each branch .
4 Unfortunately it is more difficult to make light sources and light receptors that work at this longer wavelength .
5 In practice it is often difficult to define bibliographical types in a way that gives a reliable guide to content , and the selector is best advised to look at each bibliography individually .
6 Since it is often difficult to translate mathematical concepts into words ( see London Regional Transport v Wimpey Group Construction [ 1986 ] 2 EGLR 41 for judicial commendation of algebra ) , the formula must be checked mathematically either with a calculator or a computer .
7 In matters relating to the social sciences , the number of variables is large and hence it is often difficult to establish valid theories of cause and effect .
8 More generally , it is quite difficult to find sensible ways of combining phrase searching with word searching .
9 It is frightfully difficult to make inexperienced pilots realise the necessity of even so small a formation as two aircraft keeping one up above looking out while the other is attacking the Hun .
10 One contributor replied that it is very difficult to create new jobs at all and especially difficult to attract jobs to Northern Ireland .
11 In this situation , it is very difficult to maintain high standards , as such work usually has to be done within a short time limit , and often with very little space .
12 Besides , after winning such a good race as he did at Cheltenham last season when beating Beau Ranger , it is very difficult to find suitable opportunities . ’
13 Some children are deprived of so few of the ‘ goodies ’ in life that it is very difficult to find effective reinforcers — very little is rewarding .
14 It is very difficult to provide identical conditions for the measurement of six different forms of instruction , therefore it is not entirely surprising to see that Baldwin and Rudolph found , in contrast to Kuo 's results , when comparing a tape/slide show and a library tour , that the former was not necessarily superior as a method of instruction .
15 Apart from the fairly depressing conclusion that it is very difficult to study neural mechanisms of behaviour , what else is there to learn from this summary of methodology ?
16 This is an issue on which it is extraordinarily difficult to find conclusive arguments either way …
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