Example sentences of "[num] it [vb -s] be [verb] [conj] " in BNC.
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| 1 | In chapters 6 and 7 it has been established that accurate reduction in the amplitude of alternating potential difference or current can be achieved using a transformer . |
| 2 | ( 11.30 ) In Section 10.2 it has been argued that this solution must be considered to be unphysical on its own , but it may be included as a factor in more general solutions . |
| 3 | And then in addition to that if you were a poor peasant who had to hire land from somebody else , you would of course pay rent and in the nineteen thirties it 's been estimated that the average rent paid by a poor peasant farming somebody else 's land was forty five percent of the harvest . |
| 4 | Since the original description of a columnarised lower esophagus by Barrett in 1950 and Allison and Johnson in 1953 it has been recognised that this abnormal lining has a marked propensity to develop serious complications . |
| 5 | For the period 1757–1822 it has been calculated that the aggregate drain was approximately £250 million , while it has been pointed out that for the period from the 1850s to the First World War surpluses from the Indian economy were crucial in allowing Britain to balance its deficits with Europe and the USA ( Bagchi , 1982 , pp. 81 , 88 ) . |
| 6 | Since 1983 it has been established that the strongest risk factor for the development of malignant melanoma is the presence of a large number of benign naevi . |
| 7 | Since 1954 it has been known that focal lesions of the inferotemporal cortex produce a severe and abiding impairment in visual discrimination performance in monkeys ( see Dean 1982 ) . |
| 8 | In the 1980s it has been acknowledged that the importance of formal ( tripartite ) arrangements at ‘ peak ’ levels has been reduced — indeed it is now often suggested that Britain was always less ‘ corporatist ’ in these terms than countries such as the Federal Republic of Germany , Austria and Sweden . |
| 9 | But much of his work was done in minor cricket , and , for instance , in the seasons 1848–51 it has been calculated that he took no less than 1,307 wickets , including 455 in forty-one matches in 1851 . |