Example sentences of "doubt [vb -s] be [vb pp] on the " in BNC.

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1 However , serious doubt has been cast on the methodology used to collect this data on extra costs , suggesting that it grossly underestimates the true costs .
2 As the years have gone by , much doubt has been cast on the approaches even by people closely involved in them .
3 Although some doubt has been cast on the authenticity of this account , there are many vivid details which have a ring of truth about them .
4 Some doubt has been cast on the legality of all or some of those methods in certain circumstances .
5 New doubt has been cast on the viability of the Thorp nuclear reprocessing plant due to open at Sellafield in 1992 .
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