Example sentences of "is often [verb] by [adj] [noun] " in BNC.

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1 In some cases ( eg Blackbirds , Turdus merula ) the mutation is often killed by normal individuals .
2 Millions of pounds are spent on food promotion yet the importance of a balanced diet is often ignored by British health experts and food firms , the Consumers ' Association said in a report yesterday .
3 Excessive drinking is often caused by negative self-images , which indicate to individuals that they are unable to cope with the stress and unhappiness existing in their lives .
4 We watched for signs of bird activity , because terns and shearwaters congregate whenever small fish shoal near the surface of the sea , and the shoaling is often caused by predatory fish chasing the smaller fish upwards .
5 However , I believe that particular gamble is often lost by negative press coverage .
6 Traces , records , vestiges of female experience can appear nostalgic in character ; but their witness to a common past is often challenged by present irony and by different , contrary desires to erase such relics or reshape the ground in which they were originally made .
7 I noticed that Aunt Louise could thread her needle without too much trouble and even write a few letters , but I had heard that sight is often impaired by poor health , and prided myself that this improvement might be due to good food and peace of mind .
8 However guarded such advice might be , this reasoning is often expanded by lay people and used to justify increasingly heavy and more regular drinking .
9 Employment training in Britain is a scandal and is often run by Government-appointed has-beens from industry accountable to no-one .
10 Resort to the photocopier is often determined by economic factors .
11 And the informal learning that teachers could so usefully acquire from each other , through talking about their teaching and watching each other teach , is often prevented by overcrowded timetables ( and , of course , the vexed issue of ‘ cover ’ ) and/or by a staff ethos that discourages such activities .
12 Primitively this pattern comprises a network of polygons , each the product of a single epidermal cell , though such a simple arrangement is often replaced by other patterns of special functional significance ( Hinton , 1970 ) .
13 But his old friend ‘ the Professor ’ is obviously a scientist of note — and perhaps best of all , is fun and always using science to produce exciting things , even if he is often defeated by magic spells ( Fig. 3 ) .
14 However , this " sun-washed " effect , which emulates the ageing process , is often achieved by chemical washing , and it is advisable not to take the term too literally .
15 Dislike of party lists is often fortified by dark suspicions about the quality of the candidates they supposedly include .
16 Abstinence is often supported by temporary separation of the couple or by their separation from bed .
17 Nevertheless , it is not clear from current Marxist criticism and theory , which in the rainbow coalition is often buttressed by Lacanian ideas of the decentred self , whether it is prepared to accept any form at all of a personal , subjective or affective response , or whether all that must wait until after the revolution .
18 Political culture in mainland European countries is often marked by sheer apathy and disinterest , and plans for European union exploit this .
19 Bereavement is often accompanied by strong guilt feelings .
20 Light and irregular rainfall during the summer growing season here is often accompanied by high temperature , scorching wind , and devastating dust storms .
21 Gaseous exchange at the alveolar surface is gravely hindered and the lesion is often accompanied by interstitial emphysema and pulmonary oedema .
22 In major enumerative schemes , synthesis is often controlled by careful instructions regarding citation order and the way in which the notation for complex subjects is to be built up from its components .
23 Violence ‘ involves the use of great physical force or intensity and , while it is often impelled by aggressive motivation , may occasionally be used by individuals in a mutual violent interaction which is regarded by both parties as intrinsically rewarding ’ ( Siann 1985 : 12 ) .
24 The presence of these links is often signalled by explicit cues within the text .
25 Evidence of change in progress is often provided by systematic differences in apparent time of the kind shown in table 5.2 ; that is , differences between generation cohorts .
26 If the eighteenth century is often described by architectural historians as the great age of the English house , the Victorian period might equally well be called the great age of the English home .
27 With these it is often initiated by acute tail-biting which gets out of hand ‘ and then the attacking pig or pigs continue to eat further into the back .
28 The WRAC Centre helicopter landing site is often used by visiting dignitaries , and as he leaves the Minister tells the Adjutant that he wishes to visit the unit in the autumn .
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