Example sentences of "have been [adv] [verb] that [adj] " in BNC.

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1 It has been widely held that normochromic anaemia is indicative of chronic renal failure , but recent epidemiological evidence supports our findings that anaemia is also commonly present in patients with both ARF and AonCRF , and is , therefore , not a helpful discriminant .
2 It has been well observed that classical revivals tend to be of short duration .
3 It has been repeatedly reported that smooth muscle antibodies of autoimmune chronic hepatitis are directed to cell actin .
4 It has been effectively argued that live performance before an audience can be the most crucial part of a popular musician 's growth as an artist .
5 It has been previously shown that linear plasmids bearing Tetrahymena telomeric sequences are able to replicate autonomously in the filamentous fungus Podospora anserina ( 1 ) .
6 It has been generally accepted that adenomatous polyps develop in the second and third decade with most affected untreated subjects developing a colorectal carcinoma by the age of 40 years .
7 Although it has been traditionally assumed that Labour Governments are more susceptible to defeat in the Lords than Conservative administrations , Brazier concludes that the Lords have been surprisingly even-handed in dealing out legislative defeats .
8 But it has been further seen that strong justification is needed for adopting a system at variance with prevailing medical views .
9 One person pointed out that , if it was not an accident , there were serious political overtones and the convention had been long established that political matters were never raised at presbytery meetings .
10 It is only when they have been thus adopted that conscious strategy turns into habitual rule , coping into culture .
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