Example sentences of "shown [prep] [be] [adj] for [noun] " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | Contrary to the official establishment line on fluoride , this substance has never been shown to be essential for body function , and its role in protecting teeth from dental caries is extremely doubtful . |
| 2 | Obviously , if vitamin A can be shown to be necessary for photoperiod detection by an extraocular receptor , it is likely that rhodopsins are at work . |
| 3 | Stored serum from this time has subsequently been shown to be negative for antibody to hepatitis c ( riba assay , chiron corporation ) . |
| 4 | NC protein has been shown to be indispensable for RNA dimerization and encapsidation . |
| 5 | 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 . |