Example sentences of "if it [is] necessary [verb] [noun] " in BNC.

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1 He claimed that " if it is necessary to defend liberty " then US military intervention in the region could not be ruled out .
2 Consequently , if it is necessary to redeploy employees to posts which are graded at a lower salary than the employees original posts , the contractual earnings of such employees will be protected .
3 If it is necessary to appoint Loss Adjusters or another Branch to investigate the claim .
4 Ultra-thin sections are valuable for some purposes , particularly for very fine grained rocks , if it is necessary to measure grain size accurately ( Halley , 1978 ) or to study fine structures such as algal filaments .
5 If it is necessary to rotate arm A by , say , 450 clockwise from its current position , then the position and attitude of B will be affected .
6 If it is necessary to make allowance for uncertain dividends , Cornell and French ( 1983b ) have derived the corresponding no-arbitrage condition .
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