Example sentences of "[noun] over the [adj] 20 years " in BNC.

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1 It requires courage and support from sympathetic colleagues to admit that the things that have been happening in classrooms or schools over the past 20 years have been wrong , pigheaded or simply inefficient .
2 Anyone who studies academic standards in our schools over the past 20 years must recognise that there have been considerable improvements .
3 There have indeed been great changes to public health practice over the past 20 years .
4 Noorda says that Novell is acutely aware of the ‘ history ’ of Unix and its penetration into government and industry over the past 20 years .
5 The fast-swimming Dall 's porpoise has been particularly hard hit in the North Pacific and hundreds of thousands of animals over the last 20 years have been entangled in the giant drift-nets of the salmon , squid , and tuna fisheries .
6 A better understanding of the normal physiology , developmental anatomy , and pathology of the prepuce could prevent the removal of thousands of normal foreskins over the next 20 years .
7 The hearings system is claimed to have turned thousands of youngsters away from a life of crime over the last 20 years , but because of the confidential nature of the work done by reporters and panel members , much of the evidence is anecdotal .
8 MORE than 200 children are believed to have been sexually assaulted and beaten by staff at council homes over the past 20 years .
9 WATER meters are to be compulsorily installed in nearly four million homes over the next 20 years , it was announced yesterday .
10 One of the most significant developments in the provision of legal advice and assistance over the last 20 years has been the emergence of law centres .
11 The rise in the quality of French tennis over the last 20 years , culminating in the emergence of players such as Yannick Noah , Henri Leconte and now Guy Forget , coupled with the transformation of the French Open at Roland Garros into what the majority of players regard as the best organised of the four Grand Slams ( even though Wimbledon remains favourite as to the one they most want to win ) are due very largely to the leadership he has shown .
12 Although in recent years total government capital spending has been of the order of £20 billion per annum , Brown and Jackson ( 1983 , p. 138 ) point out that this represents a real reduction of approximately one half over the past 20 years .
13 Large numbers of them have been included in conservation areas over the past 20 years .
14 With the vast expansion in library collections over the past 20 years , library professionals have had to deal with an ever increasing burden in the production and maintenance of library catalogues .
15 There have been many advances over the last 20 years , particularly in the subjects of settlement , technology and social and economic organisation .
16 Discuss the disadvantages of using these figures to help determine the provision of old people 's facilities in your local community over the next 20 years .
17 Great strides have been made in the reduction of ICI 's waste over the past 20 years .
18 The experiment has resulted from the steady progression towards each other of the common cuckoo Cuculus canorus and the azure-winged magpie Cyanopica cyana , culminating in an overlap in ranges over the past 20 years .
19 Pollution from car exhausts may explain the rise in allergic conditions such as hayfever over the last 20 years , according to Professor Robert Davies of Bartholemew 's Hospital , London .
20 An increasing share of overseas earnings over the last 20 years has come from the sale of the dwindling assets of oil and natural gas .
21 A Labour Government will seek to double the numbers of those benefiting from higher education over the next 20 years .
22 Arguably , the most productive area of research into higher education over the past 20 years is that concerned with student learning .
23 The major development over the next 20 years will be the 90% growth in gas consumption and the 80% rise in gas production .
24 The British tendency to choose to limit the size of families over the past 20 years , and the need to move around the country in search of better job prospects , has done little to increase the sense of community and neighbourliness which once absorbed so much of the responsibility for mutual support and so-called ‘ informal ’ care in the post-war years .
25 Despite gloomy predictions over the next 20 years , including forecasts that only one ‘ quality ’ daily would survive , with one middle-range paper ( the Express , for example ) and one tabloid , only two other established papers died .
26 And even cricket has also undergone some radical changes over the last 20 years .
27 In a special commemorative issue , Pavel Litvonov , a Soviet dissident now living and working in the USA , reflects on the changes over the past 20 years .
28 Someone needs to take a long hard look at what has happened to tennis in Ulster over the last 20 years .
29 I join the House in expressing sympathy to the families who have been so griveously bereaved through this tragedy , a tragedy that has been the experience of so many of the British people in Ulster over the past 20 years .
30 Mr Plowden added : ‘ Last year 's forecasts of a 66 per cent rise in demand over the next 20 years brought home the enormity of the environmental threat posed by current minerals policy . ’
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