Example sentences of "[pron] are held to [be] [adj] " in BNC.

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1 Some of them are held to be responsible for relaxation phenomena at low temperatures while folds are of great importance in the crystallization of polymers .
2 This hypothesis is supported by the fact that most plant families that produce bird-dispersed seeds are of very wide distribution and that several of them are held to be primitive , e.g. Annonaceae , Lauraceae , while several genera conspicuous in this trait are found in both tropical America and Australasia .
3 The virtual absence of L1 producing cells beneath the follicle associated epithelium in Peyer 's patches may induce the immunostimulatory function of these macrophage rich structures , which are held to be crucial for induction of specific mucosal immunity .
4 Their aim is to give aid to groups of people who are held to be disadvantaged for any reason — because of ethnic origin , sex , sexual preference , age , unemployment or any kind of disability .
5 Since statements like ‘ God is Love ’ fall into neither category they are held to be meaningless .
6 Aware that absolute holists can not live up to their own tenets , they offer a different distinction between the two approaches so that , rather than being seen as strict alternatives , they are held to be complementary .
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