Example sentences of "[is] [vb pp] when it " in BNC.

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1 This is compounded when it ‘ not only exists for private consumption , but is publicly displayed … [ or ] forced on the attentions of those who have not even volunteered to be voyeurs ’ ( para 7.7 ) .
2 The darker humour associated with ED 209 , which does indeed look quite large and threatening at first ( and not at all like a model only one foot ( 30cm ) high , which it is ) is typified when it , in error , riddles a young executive with machine-gun bullets on its first official presentation and the stunned silence is broken by a cry of ‘ Someone send for a paramedic ! ’
3 The centre of the circle is stabilised when it is occupied by a fourth dot .
4 Grey white chewing gum matter presents itself spasmodically at her mean Glasgow lips , alternating with her cigarette which is sucked when it is not rolling druggedly about on top of her ticket-issuing machine or charging up and down , and off , the long seat , dropping its fire and ash amongst the plastic cups and other less white rubbish , further propelled by chewed and muttered whinings about the discordant duet of erratic driving bus man and undone Corporation road holes .
5 Not only has Trifolium repens a guerrilla growth form but its guerrilla character is exaggerated when it is growing with grasses ; its branching then tends to be reduced and growth is concentrated in linear extension .
6 Another typical resistance is met when it becomes clear that despite everything that is being achieved in terms of family understanding and awareness , individuals are sticking rigidly to old patterns of interaction and behaviour .
7 Four-wheel-drive cuts out when the tractor 's forward speed goes above 9.3mph and is re-engaged when it drops below 8.7mph .
8 IBM Corp last week duly introduced the rack-mounted RS/6000 Powerserver 970 and the 970E model , which is what the thing is called when it is upgraded from a 930 , 950 or 950E , killing off the 930 in the process .
9 A group is recognised when it has a minimum of six SERA members .
10 Old providers of employment are artificially kept alive until a point is reached when it becomes obvious that support must be switched off .
11 Thixotropic means the viscosity of the gel is reduced when it is worked with a palette knife .
12 They have to be poured with caution and skill to keep the slight yeast sediment out of the glass and the publican has to rotate his stock carefully to make sure the beer is served when it is in the peak of condition .
13 The reproductive success of a female baboon is fixed when it is still being nursed
14 A case is defined when it is reported as one alleged offender involved in one event or series of events ; also it is regarded as one case where members of the same group are involved in one event or series of events .
15 Jennings says the minizyme is activated when it combines with its target , an advantage over other anti-viral agents in that it limits the prospect for side effects .
16 In contrast , the output of the two microphones is combined when it is fed through the audio mixer .
17 This is what is meant when it is reported that a result , according to a particular test , is significant at , say , the 0.001 level .
18 A behavioural response is strengthened when it has an increased probability of occurring ( frequency ) or when it is likely to be performed for a longer period of time ( duration ) .
19 The excessive use of embargoes devalues the practice and makes it more difficult to ensure that the embargo is kept when it is really important .
20 This suggests that the claim that all information about the surface form of an utterance is lost when it is purged from working memory needs to be modified to distinguish between surface structure which reflects underlying pragmatic distinctions , and surface structure which does not .
21 A cell 's true nature is realized when it becomes skin or bone or nerve ending .
22 For both sides , utmost care and modesty is required when it comes to intercepting the results , and speculating on the closeness between the species .
23 In databases that offer the CALC option — as each record is loaded when it is added to the database , whether it is a home or synonym .
24 The water is poured off and the base is dried when it may make a cracking noise — hence ‘ crack . ’
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