Example sentences of "have [adv] be shown to be " in BNC.
Next page| No | Sentence |
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| 1 | Heparan sulphate proteoglycan , laminin , and collagen have all been shown to be linked across cell membranes to cytoskeletal elements , and cytoskeletal proteins have been demonstrated to be condensed at cell-cell and cell-matrix interfaces . |
| 2 | Oesophageal transit and acid clearance have also been shown to be slower in these patients . |
| 3 | Changes in the gall bladder , such as the increased absorption of water and the hypersecretion of mucous glycoprotein have also been shown to be responsible for cholesterol gall stone formation . |
| 4 | It is said that assumptions on which he was apparently prepared to proceed have now been shown to be unsound . |
| 5 | In the latter case it remains to be determined whether any of the minor polypeptides detected in our assay are related to other CRE-binding activities ( ECRE-1 , ECRE-3 and ECRE-4 ) that have previously been shown to be down regulated during differentiation of F9 cells ( 48 ) . |
| 6 | However , the sophisticated methodology of land-use planning , as well as the policy instruments of the programme , have recently been shown to be very fragile and unable to prevent large areas of land previously left uncultivated ( because of susceptibility to erosion ) , being once more put under the plough . |
| 7 | The Creoles have recently been shown to be tonal , to express grammatical relations and even vocabulary differences ( though rarely ) through relative pitch differences on individual syllables . |
| 8 | Murine NF-L , NF-M and NF-H genes as well as the chicken NF-M gene have recently been shown to be expressed after transfection in non-neuronal cells ( 38,26,39 ) . |