Example sentences of "may have [been] use in " in BNC.

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1 Near the end of the period gold coin may have been used in commercial transactions , but the dwindling supply of gold in western Europe caused a switch to silver as the principal precious metal .
2 The swords may have been ceremonial , or they may have been used in an acrobatic ritual sword dance .
3 Twelve kilometres to the north is the embayed island of Dia , which had its own port ; with a southerly aspect , it may have been used in emergencies when persistent north winds would have prevented ships intending to dock at Amnisos , Katsamba , or Agii Theodhori from leaving port .
4 This may have been used in conjunction with a net , or on its own from an open boat .
5 Detectives hunting the killer of a businessman who was shot dead as he walked his dogs today carried out a reconstruction involving the car and a motorbike that they think may have been used in the murder .
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