Example sentences of "already [been] [vb pp] to be " in BNC.

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1 Singer 's utilitarianism , for example , has already been seen to be eminently manipulable .
2 Thirdly , the only course of action if some form of handicap is detected , is to have an abortion , as the handicap has already been shown to be present in the foetus .
3 But this general expectation has already been shown to be misleading in his approach to the monastic life of the community at Canterbury .
4 The mythopoeic power of music has already been shown to be a decisive force in Greek literary history .
5 There is a rapidly growing body of literature supporting the efficacy of MRI for evaluating patients with bone marrow malignancy , and the technique has already been shown to be highly sensitive for detecting bone marrow metastases even in the absence of abnormal pain radiographs , conventional computed tomograms and radionuclide studies .
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