Example sentences of "may have [vb pp] [to-vb] [adj] [noun] " in BNC.
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1 | Among the mechanisms that may have evolved to resolve genetic conflicts are sex , Mendelian genetics , the existence of two sexes , the rarity of hermaphroditism and the equality of the sex ratio . |
2 | The lack of spatial learning with moving landmarks suggests that spatial learning processes may have evolved to extract geometric invariance from the environment in a manner analogous to that in which conventional associative learning principles are held to extract the ‘ causal structure ’ of the environment . |
3 | But in the circumstances of 1483 an immediate accession may have seemed to offer real advantages . |
4 | But in the circumstances of 1483 an immediate accession may have seemed to offer real advantages . |
5 | In the first case , fieldworkers may have wished to retain certain functions , such as working directly with children and young people , as their prerogative , because they considered themselves to be better trained to undertake these tasks , albeit with limited time at their disposal and with , in some instances , limited skills . |
6 | The Anti-Corn Law League may have helped to secure Whig support but what Peel himself called in a letter to Cobden his " 'sense of public duty " was more influential . " |
7 | The prospect of such a deal may have helped to boost Colombian exports to Mexico by 27% last year . |