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

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1 As the Community moves to complete the internal market , it will be necessary to ensure that anti-competitive practices do not engender new forms of local protectionism which would only lead to repartitioning the market .
2 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 .
3 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 .
4 The correct interpretation of the outcome of any such test is necessary to ensure that appropriate techniques are used in subsequent analysis .
5 This length of time is necessary to ensure that adaptive changes occur to the lungs and heart .
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