Example sentences of "[pron] [be] believed that a [adj] " in BNC.

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1 In 1963 , in B.R. days , it received a full overhaul and it is believed that a new front tube plate was fitted .
2 It is believed that a foreign body was dislodged , fell on the track and derailed the bogie .
3 It is believed that a significant number of these are repeat prescriptions , although it is now clear that these powerful drugs should only be used short term .
4 It was believed that a major international interdisciplinary research effort was needed and in such areas physical geographers should surely be poised to participate .
5 In 1975 it was believed that a large fleet of supersonic aircraft flying at altitudes up to 25 km would have a ‘ noticeable effect ’ on the ozone layer ( World Health Organization , 1976b ) .
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