Example sentences of "have been known [prep] [art] " in BNC.

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1 It can be speculated that the informants recruited in Operation Ward may have been known to the IRA for months or even years .
2 None of these facts , Simone pointed out , could have been known to the healer she consulted in Canterbury .
3 The fact that the US was canvassing support from other Asian states would very likely have been known to the Russians and Chinese ; and it is at least conceivable that this fact influenced their own decision .
4 Many of the children will have experienced poverty and insecurity , if not actual neglect , and may well have been known to the health or education authorities as children at special risk before they come into the care of the social services department .
5 Oliver North to Iran , travelling on Irish passports , to organize the sale of TOW missiles and launchers to the Iranian government in exchange for the release of American hostages ; details of money transfers and bank accounts , with dates and places — most of it based on incidents and conversations that could only have been known to the Iranian or American negotiators .
6 I have already discussed the improbability of the entire aircraft , its crew and its troops disappearing totally over land ; though , of course , had it come down in enemy-occupied territory , nothing might ever have been known of the matter if all the occupants had perished , and certainly not if any survivors had been disposed of ( which , given the purpose of their mission , would have been highly probable ) .
7 The defect in any case may not have been known at the time of the sale .
8 There was not one face amongst them that would have been known by the populace at large .
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