Example sentences of "[noun pl] have know for [det] " in BNC.

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1 The move has been criticized by environmental organizations , which argue that the cars could be fitted with a converter because the cost , around £300 per car , is not prohibitive and that in any case manufacturers have known for some time when the law would come into effect .
2 As the official investigation got under way , there were allegations that senior US officials had known for some time of BNL 's dealings with Iraq .
3 Organisations have known for some considerable time that the acquisition , distribution and effective use of information is a key factor in gaining a competitive advantage .
4 Further study is necessarily being completed ; but the evidence of linkage between the simultaneous appearance of climatic phenomena in Kansas , Chad , Bihar and in the south — eastern Pacific Ocean suggests what all geographers have known for many years — that the globe works as one complete system , one vast interactive machine , and that the divisions man has forced upon it are no more than crudely artificial devices for our own intellectual convenience .
5 Scientists have known for some time that fusion reactions between nuclei of deuterium and tritium are more likely if the nuclear spins line up in the same direction .
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