Example sentences of "been [verb] to be the [adv] " in BNC.

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1 Cardiorespiratory problems , mostly sedation related , have been reported to be the most common complication of upper gastrointestinal endoscopy .
2 In fact , Dunrossness has long been considered to be the most fertile and agriculturally productive area in the whole of Shetland .
3 Now C D thirty one is an endophilial cell adhesion molecule and the antibody has been shown to be the most specific marker of vascoendophilia and consistently in studies has stained more vessels than other markers .
4 It has been shown to be the most abundant neuropeptide in the central nervous system and is also widely distributed throughout the peripheral nervous system .
5 Moreover , by choosing an option that has been shown to be the best in terms of quality of life days gained general practitioners would be more certain that they were acting with beneficence ; at present , using simply their ‘ unaided intuitive judgment ’ to make such decisions , they can only hope that this is the case .
6 Hae III followed by Hind III have been found to be the most discriminatory restriction endonucleases with which to cut H pylori .
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