Example sentences of "attempt have been [verb] [to-vb] [det] " in BNC.

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1 Attempts have been made to map these two modes of processing on to the left and right hemispheres respectively .
2 Attempts have been made to explain this grading , which is not characteristic of the majority of British spits .
3 Attempts have been made to represent such knowledge using a structure known as a script [ Schank & abelson , 1977 ] .
4 Few attempts have been made to set these earliest of monuments into any sort of context , but stimulating ideas of their contemporary landscapes have been proposed both by Colin Renfrew , who has argued that the tombs belonged to groups and therefore represent ‘ territories ’ , very much as the medieval church related to parish communities , and Graeme Barker and Derrick Webley , who have argued for the inhabitants of causewayed enclosures exploiting a variety of different landscapes , much as Bronze Age and later Iron Age communities did .
5 Although attempts have been made to solve these problems through the ingestion of radiotelemetric pressure sensors , these efforts have been hampered by intermittent signal loss and the inability to control the location of the capsule within the gastrointestinal tract .
6 Understanding of the disorder has progressed in all these directions , and several attempts have been made to combine some of these ideas in an integrative model ( e.g. Akiskal , 1979 ; Gilbert , 1984 ) .
7 Attempts have been made to assimilate such meanings to various pragmatic concepts , for example pragmatic presupposition ( Keenan , 1971 ) , or , as we shall find in the next Chapter , conventional implicature .
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