Example sentences of "been use [conj] [adj] " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | Commercially available expert system shells have been used since most of the expert systems have been developed by engineering tradesmen , few of whom had a strong computing background . |
| 2 | Antidiarrhoeal agents , broad spectrum antibiotics , cholestyramine , sulphasalazine , and oral corticosteroids have all been used but anecdotal experience suggests that satisfactory control of diarrhoea is rarely achieved . |
| 3 | A variety of media and substrata have been used but these will not be reviewed here because most experiments involve straightforward tissue or organ culture techniques which are well described elsewhere ( e.g. ref. 11 ) . |
| 4 | Before it was over , knuckle-dusters had been used and two of the combatants were taken to hospital . |
| 5 | ISI and ELI have been used as complementary and contradictory developmental strategies . |