Example sentences of "more difficult [to-vb] [is] " in BNC.

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1 What is more difficult to see is whether Katsikas requires the UK government to amend the law so as to protect the employee 's freedom to refuse to transfer .
2 What will be more difficult to sustain is the expectation that labour should show total dedication to work now that lifetime employment is becoming ever more the exception .
3 More difficult to judge is the impact of productivity growth on the size of the labour force .
4 More difficult to explain is how the heat release from the thermohaline circulation ( down wind of North America ) contributed to the North American ice-sheet collapse .
5 Even more difficult to explain is the occurrence of banding on the inside of the shell ( Fig. 15 ) .
6 More difficult to assess is the toxic reaction of an odour , that is an effect ‘ which may influence survival or which produces unfavourable changes in the gross and microscopic appearance of organs or tissues or in the entire organism ’ .
7 Even more difficult to assess is the extent to which and in what ways religion might be important to people .
8 More difficult to specify is product design though many examples are cited in the literature .
9 What is much more difficult to know is what were his motives for the decision , and what he expected to be the likely outcome .
10 More difficult to determine is the extent to which aid has freed resources for consumption , and so done little to increase investment levels in the manner envisaged by Rostow or Chenery .
11 The fact that these emotions exist in industrial and other enterprises and that the ego finds ways of defending against bad experiences is not at issue ; what is more difficult to establish is the complex way in which these feelings are dealt with .
12 What is more difficult to establish is whether the first building was inhabited for a while , demolished just after the inhabitants moved out , immediately paved over , and a new building later constructed ; or whether the first building was inhabited for a while , abandoned by its inhabitants for many years , then collapsed through decay , was paved over later on , and then a second building constructed .
13 Even more difficult to establish is the relative economic importance of individual small towns in the regional and urban hierarchy to what extent was a small town or village dependent on its major neighbours , and how much did the larger towns and cities rely on supplies from the former ?
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