Example sentences of "have been [det] [noun] " in BNC.

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31 There have been many studies of modern communications institutions within one explicitly ( functional ) sociological perspective .
32 There have been many studies of the energetics of such chain defects both analytically and experimentally .
33 Over the years there have been many studies of the effects of smoking on gastric secretion .
34 And of course there have been many moments when English art was very important on the Continent indeed .
35 We have been aware for some years that the relational model and relational database systems have not been able to represent some real-world concepts and activities , and there have been many papers and conferences devoted to the study of extensions and refinements to the original model of Codd ( 1970 ) .
36 There have been many variants , but one of the most extensive and thorough applications of this principle has been at Bijlmermeer in south-east Amsterdam .
37 There have been many things said by earlier speakers and very few of them I disagree with .
38 I have been many things in my time .
39 er Parents predicament is understandable , there have been many tragedies in the past where local authorities perhaps took too much notice of the parents and too little of the children .
40 By contrast , Richard Smith and David Thomson have argued , on the basis of long-term demographic evidence , that forms of retirement have existed throughout history and ( particularly if one excludes the high birth-rate nineteenth century ) that there have been many periods in which a simple dependency ratio of the elderly to the non-elderly population has been high .
41 There have been many periods in the past when the degree of concentration has been significantly large ( Table 4. 1 ) and when such degrees of concentration have generated calls for inquiries .
42 There have been many investigations of the factors animals use to ensure that they mate with members of the same species .
43 There have been many attempts to explain Baldwin 's 1929 election programme .
44 There have been many attempts to understand why certain materials cause blood coagulation and many suggestions have been made as to how to overcome the problem .
45 There have been many attempts to produce haemocompatible materials and some researchers have suggested that the key to producing such materials is to have a negatively charged surface .
46 This is only a temporary solution and there have been many attempts to organise more humane working systems .
47 There have been many attempts to save the Humean account , or some development of it .
48 Faced with mutual incomprehension on one hand and linguistic imperialism on the other , there have been many attempts to introduce a standard world language .
49 Erm well why would you er get engaged in a , a contest erm with er the three warring factions , because you certainly would n't be able to con confine yourself to one , and since there 's no national interest as such , I know there have been many attempts to link er Bosnia with er peace in the world generally or with world order , in fact there is no threat er this is a civil war , strictly speaking , and th there 's no evidence that it would er sp spill over into a major war unless it was made a major war er by those er with the er forces that exist .
50 There have been many diversions .
51 In fact , there have been many discussions caused by Johnny — and his girlfriend who seems to do very little other than build up her tan on a beach and send him the odd letter in a bottle .
52 There have been many peaks along the way : the beating of Australia which heralded the Cooke and Carling era , the wins at Murrayfield and Parc de Princes and , perhaps most of all , the six tries scored against Ireland at Twickenham last month .
53 Indeed , there have been many Government statements .
54 There have been many disasters along the road , Yorkshire puddings you could sole your shoes with , burnt offerings of several varieties , a pat that even my dog would n't eat and last Christmas a chocolate log that disintegrated , the proud little Santa on top sinking without trace in a sea of chocolate gunge .
55 There have been many experiments demonstrating the validity of this principle and exploring detailed variables such as the timing and quality of feedback .
56 There have been many criticisms of the Chicago School but this body of work still has a great deal to teach us .
57 It 's written yes well supposedly there there have been many criticisms about it
58 Since those early days there have been many sea chases with much bigger things at stake , but broadly speaking the same rules apply , although it is sometimes difficult to be dispassionate where hard drugs are concerned .
59 In the modern world , democracy has often been perceived by liberals as a threat or potential threat to individual freedom , and there have been many warnings about the tyranny of the majority and the tyranny of public opinion .
60 There have been many wars here .
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