Example sentences of "have [adv] been shown [prep] " in BNC.
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| 1 | Formation of clusters with unprimed T cells has thus been shown to be a functional feature of dendritic cells ; this may explain the striking appearance of S-100 protein + cells in Peyer 's patches , which are considered important sites for induction of primary immune responses . |
| 2 | If the test has not been shown to be reliable in empirical studies , then there is no guarantee that any information obtained by using the test will provide an accurate reflection of any child 's ability . |
| 3 | Personality has not been shown by industrial psychologists to be a very helpful predictor of performance . |
| 4 | 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 . |
| 5 | But this general expectation has already been shown to be misleading in his approach to the monastic life of the community at Canterbury . |
| 6 | The mythopoeic power of music has already been shown to be a decisive force in Greek literary history . |
| 7 | 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 . |
| 8 | It has already been shown on Ugandan and Swaziland TV and is available on high band and VHS for use in anglophone areas . |
| 9 | The firm claims that a good deal of interest has already been shown in Unikix , which is described as the essential tool in Bull 's SmartSizing programme — Bull 's alternative to rightsizing or downsizing . |
| 10 | In the urban fringe it has already been shown in Chapter 3 that recreation can have an adverse impact on farming , but other work has shown that the 500 or so informal recreation sites which cover 5.7 per cent of London 's Green Belt ( Ferguson and Munton , 1979 ) are not heavily used by either car-owing suburban dwellers ( who leapfrog over the green belt into so-called proper countryside since they perceive the sites as being too near to be worthy of a special car trip ) or by carless inner city residents ( who spurn the use of public transport ) ( Harrison , 1983 ) . |
| 11 | Some degree of heterogeneity has already been shown in peptic ulcer disease . |
| 12 | In the 1970s a series of controlled trials compared the drug with other neuroleptics , and whereas no other drug has ever been shown to be more effective than chlorpromazine ( Largactil ) , clozapine was found to be so in six out of thirteen studies . |
| 13 | Somewhat interestingly , no exact passenger figures were detailed in the 1991 DVR report and accounts although this has always been shown in previous years . |
| 14 | Apart from this unfortunate monarch , a good deal of interest has always been shown in the site , with a long sequence of systematic excavation from 1906 down to the present day . |
| 15 | Oesophageal transit measured by scintigraphic techniques has similarly been shown to be slower in this condition . |
| 16 | This respect for authority has appeared throughout the examples given , but it has also been shown to be a respect within certain limits . |
| 17 | Garlic extract has also been shown to be a valuable first line of defence against oral thrush . |
| 18 | In addition to its biological activities in stimulating platelets and neutrophils , and enhancing vascular permeability , exogenous platelet activating factor has also been shown to be a potent ulcerogen , inducing extensive gastric mucosal damage and hamorrhage associated with septic shock . |
| 19 | The POU domain has also been shown to be important for protein-protein interactions ( 55 ) . |
| 20 | As well as the case of Sweden , a good deal of interest has also been shown in recent years in certain features of industrial relations in West Germany and Yugoslavia . |
| 21 | An increased absorption of PEGs has also been shown in Crohn 's colitis , using the same method as in this study , during both active disease and remission . |
| 22 | The methicillin resistance gene in Staphylococcus aureus has also been shown by this method . |
| 23 | Evidence for the presence of histamine 2 receptor on MKN45 has also been shown by Arima et al . |
| 24 | Modulation of proliferative anomalies by environmental factors — for example the intensity or length of exposure to protective substances in the diet , or both , has also been shown by a number of studies . |
| 25 | The British legal system is already in a bit of a sorry state but this is only part of the story because we are faced with a creaking Government bureaucracy that has often been shown by the Higher Courts to be acting in an illegal and unfair manner . |
| 26 | The presence of replicative epithelial cells in the upper crypt has classically been shown with H-thymidine labelling , and more recently by an in vivo bromodeoxyuridine labelling technique . |
| 27 | This pattern of impaired fetal growth has now been shown to be linked to cardiovascular disease . |
| 28 | It has now been shown by several laboratories that ingestion of fibre causes an increase in cellular proliferation in the colon of rats . |
| 29 | Well they were bubbling this morning , I think mainly because of Saturday , when it r we were reall the whole club was lifted through Saturday afternoon because something was shown that erm has n't been shown for quite a while here . |
| 30 | Well they were bubbling this morning , I think mainly because of Saturday , when it r we were reall the whole club was lifted through Saturday afternoon because something was shown that erm has n't been shown for quite a while here . |