Example sentences of "has been [verb] [adv] since " in BNC.

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1 Although the term ‘ untrainable ’ may still be found in official classifications of mental handicap to describe the profoundly handicapped , it has been recognised officially since 1971 that no child is ineducable .
2 This has been recognised periodically since the 17th century .
3 As Marx ( 1989 ) has discussed , the science of genetic engineering has been developed only since the 1940s and especially since the 1970s , but its origins really began with the efforts of Charles Darwin and Gregor Mendel who , in the mid-nineteenth century , established the principles of heredity .
4 This is a topic which the E E F has been promoting hard since last October .
5 Some of the most significant work of industrial archaeology has been done here since 1959 , and the industrial buildings and relics of the district are in the hands of the Ironbridge Gorge Museum ( q.v . ) .
6 She has been living there since leaving Keith in the family home a mile away .
7 In the sandy soils under General Ripper 's airbase , as in aquifers throughout the agricultural Europe , the ‘ time bomb ’ of nitrate pollution has been ticking away since the 1950s .
8 The direct tram service between Fleetwood and Blackpool has been maintained continuously since 1898 , with the single exception of winter 1963/4 when buses ran between Blackpool and Cleveleys .
9 Neil Kinnock said last night that the rise in interest rates was ‘ a shattering blow both to households right across Britain and also to industries , and it 's even worse because it 's a blow that has been gathering ever since the first day that this Government decided its one and only economic policy would be a reliance on interest rates ’ .
10 It is , therefore , a site of some strategic significance in any military context , a fact which has been recognized continuously since Roman times , when , at least under Agricola if not before , a fort was established here .
11 It is easy to see how fertility has been kept low since the middle of the twentieth century , and how the control over its timing given by contraception could permit a new pattern of fertility fluctuation .
12 The room has some striking windows bearing the stained glass coats of arms of the Swiss cantons , and can be visited when the district court , which has been meeting there since 1876 , is not in session .
13 The company has been operating independently since January 1 , and is not yet being treated as a discontinued operation by Tandy , although that should happen next time the company reports .
14 Although the TEC has been operating only since 1 April this year , Roy Knott and his team have shown that they are dedicated to the employment training future for Shropshire .
15 Equally , we must have realistic expectations of TECs and realise that those that have not been in existence for very long — as is the case with our own TEC , which has been going only since April — will take time to work themselves up to their most effective point .
16 He is part of a multidisciplinary team which has been working together since 1984 .
17 The Pavlova leather works in Abingdon has been working solidly since 1917 .
18 In the rural areas of Wales and Scotland the tradition of non-partisan elections continues in some areas , but even so the role of the parties has been growing consistently since local government reorganisation ( Gyford and James 1983:2 ; Keating and Midwinter 1983 ; 107 — 13 ) .
19 The dome of Santiaguito in Guatemala has been growing ever since 1922 , and was still growing at the time of writing .
20 Literature about informal carers and the experience of caring has been growing ever since the pioneering work of Abrams ( e.g. 1980 ) .
21 Slate has been quarried here since the fourteenth century , and continuously since at least Tudor times ; in those days there were many separate quarries extracting the valuable material for use as roofing , flooring , field walls and so on .
22 Disabled 17-year-old Vicky Hoey who also suffers from epilepsy has been devastated ever since Penny , a four-year-old Tibetan spaniel , escaped from the family home in Morecambe Street , Tuebrook , Liverpool , on Saturday .
23 The average size of the sentenced prison population has been increasing steadily since the Second World War .
24 ‘ Demand has been increasing steadily since November and we 're now dealing with twice the number of applications compared to the same time last year .
25 However , it is not commonly recognised that the Anglican liturgy has been evolving continuously since the sixteenth century .
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