Example sentences of "they [modal v] have been [art] [adj] " in BNC.

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1 These early nautiloids were probably predators also , and if this were so they may have been the first rapidly moving , efficient hunters in the sea .
2 They may have been the gigantic reptilian analogue of the elephant , and it may be no coincidence that the elephant also has its nasal openings on top of the skull , with the nostrils in this case sited at the end of the trunk it has been suggested that some sauropods may have had a proboscis of some sort .
3 They must have been a bloody nuisance .
4 They must have been the same year , for their birthdays were only two months apart .
5 T his morning , looming through a yellow haze , they might have been the eroded spires of a lost city of cathedrals , buried beneath the omnipresent sand .
6 They formed galleries , which seemed so regular they might have been the honeycombed nestings of some breed of super-lice that had reached an advanced accommodation with their host .
7 They could have been the same young Russians we had met 4,000 miles away in Fairbanks only the day before .
8 They would have been the only outward sign of strain as her voice continued to keep its same even tenor , its same quiet courtesy .
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