Example sentences of "is necessary [verb] that [adj] [noun] " in BNC.

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1 Moreover , it is necessary to remember that overall productivity will be affected by the pattern of demand for services ( because they vary in terms of their potential labour productivity ) as well as by the efficiency with which they are supplied .
2 In order to obtain perfect balance , therefore , in combining horns with trumpets or trombones , it is necessary to remember that 2 horns = 1 trumpet or 1 trombone in dynamic ranges above and including mezzo-forte .
3 However , in order to accept that such examples are evidence in favour of a Stem + Lexical Rules Hypothesis of entries in a mental lexicon , it is necessary to show that similar patterns of dissociation do not occur for other word-final fragments .
4 This was stated clearly in the paper that Thonemann and his team published in Nature on 25 January 1958 : ‘ To identify a thermonuclear process it is necessary to show that random collisions in the gas between deuterium ions are responsible for the nuclear reactions .
5 The devolution of responsibility to hospitals , DHAs and FPCs may prevent the broadly-based planning which is necessary to ensure that such services continue to grow and prosper .
6 The correct interpretation of the outcome of any such test is necessary to ensure that appropriate techniques are used in subsequent analysis .
7 This length of time is necessary to ensure that adaptive changes occur to the lungs and heart .
8 It is necessary to ensure that each student meets all the performance criteria .
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