Example sentences of "it [be] necessary [verb] these " in BNC.

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1 This is a city without a lot of parks in its centre only the Castle and er not a lot of trees not mature trees so er er I need to know that it 's necessary to move these trees .
2 It is necessary to transcend these constraints if the interaction , in all its richness and fascination , is to be appreciated .
3 In practice it is necessary to classify these soils .
4 It is necessary to appreciate these facts if social policy is to be seen from a sociological perspective .
5 It is necessary to consider these in relation to the legislative position in England and Wales and the de facto position in Scotland .
6 However , it is necessary to recognize these limitations of enumeration so that they can be overcome in practice .
7 Now that ambulatory manometry has become available , it is necessary to identify these patterns if perfectly normal oesophageal migrating motor complex activity is not to be interpreted as a sign of oesophageal motility disorders or as a cause of oesophageal chest pain .
8 Under the present examination system , where a good memory is of real assistance , it is necessary to commit these facts to memory , and this is where the swot cards help .
9 It is necessary to correct these readings for environmental conditions such as hole size and mud resistivity and to compute the effect of mud filtrate invasion .
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