Example sentences of "may [verb] been a [adj] factor " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | Diabetics tend to have higher serum cholesterol levels than non-diabetes ( Santen et al , 1972 ) , and the old diabetic diet only recently abandoned may have been a contributing factor . |
| 2 | Experts believe the anaesthetic propofol ‘ may have been a contributing factor ’ in the deaths . |
| 3 | A hospital spokeswoman said : ‘ The bacteria may have been a contributing factor in these deaths . |
| 4 | Global warming may have been a contributory factor in the outbreak of a malaria epidemic in the highlands of Madagascar in 1988 which killed 25,000 people . |
| 5 | At times taxation may have been a significant factor , either because the barbarians were simply allocated revenue , or , as in the case misrecorded by Fredegar , because Romans gained tax exemption as a result of conceding land to the barbarians . |