Example sentences of "necessary [to-vb] on the [noun] " in BNC.

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1 It may have been necessary for Jesus to have eaten a few fishes in order to survive in first-century Palestine , but it is not now necessary to feast on the bodies of dead animals in order to be healthy .
2 It is also necessary to decide on the balance between cost , time and quality objectives , and how this will be resolved if problems arise during the design and construction phases .
3 It will be necessary to decide on the amount of resource to be invested in management development , and what mechanism should be used to allocate these resources .
4 But , before we examine his 1970 model under stress , it is necessary to eavesdrop on the Heath style in the Cabinet Room .
5 It is necessary to rely on the accounts published since the embargo on absolute secrecy was lifted in 1977 , and there seems little advantage in repeating here what has been told so well already ; and , after all , this book has quite a different purpose .
6 To make the diagnosis , therefore , it is necessary to rely on the laboratory 's ability to grow the bacterium , and this culture process demands particular care and expertise .
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