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

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1 Indeed , the role of fibrinogen in platelet aggregation has been recognised for many years ( Born & Cross , 1964 ; Brinkhaus et al , 1965 ) .
2 Salicylate nephrotoxicity has been recognised for many years .
3 ‘ Hemp has been grown for many years on the Continent and this decision will allow UK farmers to gain a share of the market currently occupied by our EC partners . ’
4 Its bid to become a polytechnic has been supported for many years by Conservative Members from Derbyshire .
5 This approach , a very recent development for credit in this country ( though of course it has been accepted for many years as the basis of car insurance ratings ) , started in America .
6 A need for adequate protection in the field of residential care , and to a lesser extent in relation to the provision of domiciliary services , has been advocated for some years .
7 Road pricing , which involves charging drivers directly for their use of the road network , has been advocated for several years as a means of reducing congestion and environmental impact .
8 This is the practice that has been followed for many years and by and large it has worked .
9 That Soviet ships dumped nuclear waste in the area has been suspected for many years .
10 Mr Kemp has been trying for several years to prod the White House into launching a serious anti-poverty programme .
11 Thus , a Keeper of Italian Painting would have responsibility for the Italian drawings , thereby not only linking their administration and scholarly maintenance but also bringing drawing into the direct relationship with painting which Clifford says he has been advocating for many years .
12 The structure and organization of public services do not , at present , foster service developments which match the King 's Fund recommendations , and the need for an overhaul in the way services are organized has been recognized for some years .
13 This method has been taught for many years and I do not think that pilots who have learned to do it this way need bother to change .
14 Opinion : ‘ … it will not be known until Sizewell B has been operating for some years whether the PWR will become the established nuclear option that has been sought for 30 years . ’
15 This new magazine is modelled on the successful ‘ English Civil War Notes & Queries ’ which has been running for several years .
16 The gall bladder epithelium has been considered for many years to be an excellent model for the study of the physiological properties of epithelial cells and in particular ion transport .
17 Boarding out ( or fostering ) has been practised for many years and the Curtis Committee on the care of children strongly urged that this should be the first choice in finding substitute homes .
18 The possibility of a connection between the disappearance of coronae and the onset of massive winds has been discussed for many years .
19 John Ambrose has been turning for many years , delighting competition judges and spectators with his originality and precision .
20 The publication of correspondence between famous people has been used for many years for the purposes of scholastic enquiry .
21 The ERNIE machine is a modern computerized form of sampling by ‘ random numbers ’ which has been used for many years in research .
22 G. affinis is a small ( 4.6 cm long ) , surface-feeding minnow which originated in the United States and has been used for many years in many parts of the world to control mosquito larvae .
23 Let us begin by trying to understand the rationale for the system ; after all , it has been used for many years and must presumably have had some point to it .
24 It has been used for many years in traveller 's diarrhoea , as a colostomy deodoriser , and as an antispirochetal agent in syphilis .
25 These are in addition to applications in the detergents field , in which it has been used for many years .
26 Our system of construction has been used for many years all over this country , by the sponsoring authorities and others , and erm we do n't have the earthquake requirements , but we do need many high value schools both quickly and on time , and we 've completed something like 2,000 projects similar to this over many years .
27 The decommissioning of a small experimental reactor on the Sellafield site has been continuing for some years .
28 To ‘ off-comed 'uns ’ it is not even a large village , with only 2,080 inhabitants , but to the native it is a town because it has held a market charter since 1223 and although no market has been held for many years , the charter was read once a year in the market place until 1939 .
29 Moreover , experience in New Zealand and Australia ( where the strict rule has been relaxed for some years ) has not shown that the non-availability of materials has raised these practical problems .
30 It has been occurring for many years and has been embodied in legislation such as the Housing Acts of 1935 and 1957 , although numbers of sales have fluctuated considerably according to the political complexions of the government of the day .
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