Example sentences of "have long been [verb] for " in BNC.

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1 The shape and musculature of a dolphin do not alone account for its speed and swimming efficiency , and biologists have long been searching for features of the skin which may explain the mysteries of the dolphin 's swimming prowess .
2 US giants such as Microsoft have a strong commitment to multimedia CD-ROM publishing have long been searching for suitable properties .
3 Economists have long been calling for safety regulations to be subject to cost-benefit analysis .
4 ‘ The Old Halls , Farm Houses and Cottages of the North of England have long been admired for their elegant pecularity reg=peculiarity of design , and , aided by accidental additions and delapidations , and by combinations of the richest woods , and back-grounds of rocks and mountains , are , in their kind , finer objects for study than any others to be met with in the island .
5 Electronic systems have long been used for data , but as increasing volumes of information and records are also created and stored electronically issues are raised about the management of this information .
6 Electronic systems have long been used for data , but as increasing volumes of information and records are also created and stored electronically issues are raised about the management of this information .
7 The present Type 22s , such as HMS Broadsword and Brilliant , which shot down several Argentinian aircraft with Seawolf missiles , have long been criticised for their puny armament .
8 In industrialised countries , such rudimentary amenities as piped water and sanitation have long been taken for granted and there has been a virtual elimination of major infectious diseases over the past century .
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