Example sentences of "this has been [verb] by [det] " in BNC.

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1 QUALITY COUNTS in Lothian Regional Council and this has been demonstrated by another successful BS 5750 certification .
2 This has been followed by some authorities and voluntary agencies who developed codes , which they apply in relation to the homes which they administer .
3 This has been contested by many students of welfare systems .
4 This has been assisted by some former colonial possessions in Africa maintaining strong economic , financial and trading relationships with France .
5 This has been characterized by some writers as a hierarchy of obligations ( Qureshi and Simons , 1987 ; Ungerson , 1987 ) .
6 Gamma-interferon may play a similar role in enteropathies with an immunological basis such as coeliac disease , and this has been supported by several recent findings .
7 Suppose that the actual inflation rate is 10 per cent and that this has been expected by all economic agents , with the result that it has been fully accounted for in wage bargaining , in the activities of borrowing and lending and in the tax system .
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