Example sentences of "it necessary for [noun sg] " in BNC.

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1 The element of time is a chief cause of those difficulties in economic investigations which make it necessary for man with his limited powers to go step by step ; breaking up a complex question , studying one bit at a time , and at last combining his partial solutions into a more or less complete solution of the whole riddle .
2 Rumours that the Football Association had ordered a replay made it necessary for secretary Sir Frederick Wall to issue a statement confirming the result .
3 The existence of this tendency to aggression … makes it necessary for culture to institute its high demands .
4 The intention of the environmentalists who had campaigned for the referendums was to make it necessary for parliament to pass new legislation , since this would give them the opportunity to press their demands for much stricter controls .
5 Is it necessary for family members to work an active programme of recovery ?
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