Example sentences of "[vb pp] to be essential " in BNC.

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1 Given the changes over the previous decade , a further review of the size and distribution of the Leicestershire residential care sector was considered to be essential both to set an information baseline before the implementation of the National Health Service and Community Care Act and to document changes in the demography and levels of dependency of the residential care population .
2 The history of the imposition of obligations without compensation has been to push that point progressively further on and to add to the list of requirements considered to be essential to the well-being of the community .
3 Previously , an important part of the major companies ' dominance had been the sheer cost of making recordings of the ‘ professional ’ standard deemed to be essential to achieve radio play and hence large sales .
4 The presence of at least some specialist assistance has been shown to be essential for raising the standards of the whole team .
5 Contrary to the official establishment line on fluoride , this substance has never been shown to be essential for body function , and its role in protecting teeth from dental caries is extremely doubtful .
6 A thorough understanding of the way official statistics were collected and of the workings of the administration is shown to be essential for the proper interpretation of these data .
7 This education may go well beyond simply fostering understanding of the change itself ; it may include needs assessment and subsequent training in the skills and knowledge that are shown to be essential to functioning successfully in the changed environment .
8 The expression of ICAM-1 and two of its counter receptors , the lymphocyte function associated antigen-1 ( LFA-1 , CD11a/CD18 ) and the complement receptor type-3 ( CR-3 , MAC-1 , CD11b/CD18 ) was shown to be essential for most of the lymphocyte/lymphocyte , lymphocyte/phagocyte , and leucocyte/endothelial cell interactions in the immune response .
9 The carboxy-terminus has previously been demonstrated to be essential for Oct-2 to activate transcription ( 20 , 44 , 45 ) .
10 Well , note first of all that the various gases that are thought to have made up the early atmosphere contain most of the main elements that are known to be essential to life : carbon , nitrogen , sulphur , hydrogen , and oxygen — though the oxygen was not ‘ free ’ , but was combined for example with carbon in carbon monoxide .
11 The popular movement did not produce the Uprising , but its proven modus operandi was found to be essential to its success .
12 The principal counter-argument has been that Essex has enjoyed the benefit of a former tutor-organiser as Federation chairman and that , in the absence of an equivalent person to give a lead elsewhere , tutor-organisers have continued to be essential .
13 Some form of pupil assessment , intelligible to everyone and as far as possible uniform throughout the country , is held to be essential since it is through such public assessment that what is taught and learned at school is most clearly related to the world outside school .
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