Example sentences of "[noun pl] have for a long time " in BNC.

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1 The small size of the private-rented sector and the difficulties which council house tenants face in moving between local authority areas have for a long time constituted major barriers to long distance migration by lower-income workers ( Robertson , 1979 ; Hughes and McCormick , 1981 ; OPCS , 1983 ; Hamnett , 1984 ) .
2 High acidity of the duodenal contents has for a long time been found to be associated with gastric metaplasia , both in humans and in laboratory animals .
3 However , governments have for a long time been divided over how large a merger must be before it passes out of national hands to Brussels .
4 The Institute of Economic Affairs had for a long time been polemicising against the extension of state activity on the grounds that it restricted choice , led to dependency and reduced the motivation to work , and fostered economic inefficiency in comparison with ‘ private enterprise ’ .
5 As was noted in Chapter 4 , local education authorities have for a long time had a duty to provide special education for handicapped children .
6 Libraries and librarians have for a long time sought to play a role in the educational development of young children in the formative and primary years , particularly in the simple stimulation of the reading habit .
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