Example sentences of "[noun] [vb -s] been [verb] for several " in BNC.
Next page| No | Sentence |
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| 1 | Mr Kemp has been trying for several years to prod the White House into launching a serious anti-poverty programme . |
| 2 | Brian Clough has been trying for several weeks to recapture the man he sees as a key player in his fight to lift Forest off the bottom of the Premier League . |
| 3 | A similar effect of DNJ on integrin mediated cell adhesion to collagens has been described for several myoblast cell lines . |
| 4 | Replacement of the undilatably strictured lower oesophagus by a short segment of left hemicolon has been practised for several decades . |
| 5 | Retrovirus-mediated gene transfer into transplantable cells has been proposed for several conditions , but treatment of immunodeficiency caused by adenosine deaminase ( ADA ) deficiency appears imminent . |