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

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31 Apparently it has been recognised for over a decade that chlorine from chlorofluorocarbons may deplete the stratospheric ozone layer .
32 It has been recognised for over a century that the internal anal sphincter relaxes in response to rectal distension , a phenomenon called the rectanal inhibitory reflex .
33 We ca n't hurt her — humiliate her like this when she 's expecting to marry him in just a few weeks , even if it has been arranged for family reasons , and not for love .
34 It has been felt for some time that the procedure and forms relating to the granting of legal aid in criminal causes could be improved , and the introduction of legal aid in the District Courts has led to the position being scrutinised and a new procedure and application form introduced .
35 If unstable complexes are in a rapid equilibrium with unbound RNA polymerase , as it has been suggested for the E.coli rrnD P 1 and for the B.subtilis citB promoters ( 10 , 11 ) , an increase in the ionic strength should impair promoter efficiency .
36 The Master of the Armouries , curator of Britain 's historic arms and armour collection , who is hell-bent on creating just such a hybrid and abandoning the ancient Tower of London where it has been housed for centuries for a purpose-built , speculative complex in Leeds , is risking a gargantuan version of the ‘ Sporting Glory ’ fiasco , with the extra twist that if his project fails , his objects will have no home to go back to .
37 It has been advanced for some time by both the Liberal party and the Electoral Reform Society .
38 It has been reported for example that the UK has been identified as the main European culprit as far as sulphur emissions and the killing of Norway and Sweden 's lakes is concerned , yet the UK 's sulphur emissions have been in decline since 1970 while acidification has not .
39 It has been used for a wide variety of projects so far .
40 Known for its skill and aggressiveness in dealing with its enemies it has been used for hunting from an early date in history .
41 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 .
42 Only about one quarter claim that it has been used for INSET purposes in their schools and even fewer claim that its use has resulted in any changes .
43 It has been used for many years in traveller 's diarrhoea , as a colostomy deodoriser , and as an antispirochetal agent in syphilis .
44 These are in addition to applications in the detergents field , in which it has been used for many years .
45 A ley can really only be said to be confirmed if it has been walked for most of its length .
46 Although it has been running for 13 years , few sites have so far been cleaned up to the EPA 's satisfaction .
47 ‘ In Basildon only 32 out of 8,000 homes were sold and in Scotland where it has been running for two years only 223 out of 6,000 tenants have bought houses .
48 The budget is due now , but it has been postponed for three months .
49 Doubts have continually dogged the potential deal between the bank — set up in the capital over two years ago with £26 million of institutional backing as a building society acquisition operation — and the Heart of England with which it has been talking for almost two years .
50 It has been known for the hinges on a canopy to fail or for poorly designed and faulty catches to fail in flight , resulting in a lost canopy .
51 I will ask him some time what prompted his winning play but it has been known for players to forget matters like that after a week 's hard work .
52 When driving with the rear doors open , as is necessary on warm days to provide ventilation , exhaust fumes escape into the vehicle , making the journey for those in the back even more uncomfortable ; and it has been known for policemen in the back to fall out of the vehicle .
53 It has been known for some years now that records of the electricity activity of the brain during sleep — by electrodes attached to the scalp , face and neck — confirm that different types of sleep exist .
54 It has been known for centuries that music affects our state of mind and emotions , and so affects our body .
55 It has been known for a tough roadman-sprinter to control the race in these big hills , not to lose much time on the Ballon , then rejoin the leading group , dominate them on the long downhill run into Mulhouse and win the stage .
56 It has been known for a woman going into labour to suddenly perceive the connection between herself , her mother , mother 's mother , all the mothers of her line stretching back to the beginnings of time , and all the daughters that will follow after .
57 It has been known for staff to accept offers of jobs on the assumption that crêche places and hours will be organised to fit around the duties of employees .
58 This tradition happily has been continued by his successors whose duties have included presiding at the Annual General Meeting , an unpredictable , lively affair where it has been known for election to the Board to be determined by the toss of a coin !
59 Where the ranges of the tiger and the Asian lion overlap , it has been known for the two to interbreed .
60 It has been known for Goblins to get so ambitious that the entire catapult springs from its mounts and hits the Goblin splat in the face , putting paid to the whole device .
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