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

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61 It has been known for many years that damage to the left hemisphere is more likely to affect language ability than damage to the right , suggesting that the left hemisphere is very important for language .
62 It has been known for a long time , and has led to the more modern practice called ‘ foliar feeding ’ , in which the purpose is not so much to correct deficiencies , but to encourage a boost in performance , yield and so on by spraying major element solutions on to the leaves in the same way .
63 It has been known for some time that eyes give out bioelectric signals — the retina has a positive charge , the cornea is negative .
64 For example , it is still commonplace in cartoons to show cavemen and dinosaurs together , despite the fact that it has been known for many years that dinosaurs were extinct long before the evolution of ‘ cavemen ’ .
65 It has been known for many years that rich clusters contain a lot of gas and dark matter , but Ponman and Bertram 's result shows that these features apply more generally .
66 It has been known for some time that the majority of fibres from the left and right eyes converge upon single cells in the visual cortex of the cat and monkey ( Hubel and Wiesel , 1967 ) .
67 It has been known for a long time that , partly due to their immense size , elephants can hear much lower sounds than we can .
68 It has been known for many years that neurons , like other cells , can be maintained alive and well under such conditions for periods of many days or even weeks , provided they are kept warm , aerated and well fed with glucose and other essential molecules .
69 Finally , they could sometimes be accused of deception and dishonesty — it has been known for reporters from The Independent to lobby the lobby .
70 It has been known for caterers to come in at 8am , turn all the ovens on and not use them for three hours . ’
71 Is not the Minister aware that it has been known for some time that four times as many women as men suffer the chronic pain that comes from the loss of movement in and the fracture of hip joints ?
72 It has been known for many years that recycling used materials helps make great savings , but it was not until recently that it was realised how much good that it could do for the environment .
73 It has been known for some time that the inactive form of ALDH2 is present in about 50% of Japanese and Chinese and is associated with high acetaldehyde concentrations , an exaggerated flush response to alcohol , and seems to protect against alcoholism .
74 It has been known for some time that versatile plastics could be made from vegetable matter but production costs have been prohibitive .
75 He says that it has been known for drugs to be smuggled in large packages .
76 It has been known for some time that the Inland Revenue has been taking a close interest in the marketing practices of livestock farmers in parts of Wales and the West Country .
77 It has been known for its medicinal properties for 2,000 years and has been used by Russian cosmonauts since the 1970s .
78 It has been known for developers to move in virtually overnight to demolish a building once they find out attempts are being made to list it .
79 I do not think it is complacent or smug ; one feels it has been worked for .
80 It has been playing for more than a year at the group 's Palace Theatre in Manchester , and the Playhouse has taken more than £1 million in advance bookings for it since the box office opened last week .
81 It has been taken for granted for a long time that criticism and the academy go naturally together , and a large pedagogic and publishing industry has been built on that assumption .
82 It has been taken for granted by most workers in this field that pigeons can home from unfamiliar starting points .
83 It has been rumoured for the past year that there are moves afoot to remove Cork from the list of Tarmac championship rounds .
84 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 .
85 For one thing , the people elected Solidarity to govern and it has been governing for barely seven months .
86 It has been rearranged for Saturday April 25 from noon to 4pm .
87 According to Advanced Micro , the 210 has proven such a popular architecture that it has been chosen for the first speed and power upgrades .
88 Please ensure that you are currently the associated user of the package ie. either the package manager or the nominated approver ( if it has been submitted for approval ) .
89 Please ensure that you are currently the associated user of the package ie. either the package manager or the nominated approver ( if it has been submitted for approval ) also that you have LIFESPAN Quality Assurer privilege .
90 LIFESPAN prevents a DC being updated after it has been submitted for assessment .
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