Example sentences of "[pron] can [adv] [be] [verb] when " in BNC.

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1 There have been suggestions that some of these experiences , especially the sequences of geometrical shapes , or flashes , may be the result of discharges from the retina occurring in the absence of any stimulation — the so-called entoptic phenomenon — which can also be observed when the eyes are open in the pitch-dark .
2 A secondment creates appetites which can not be sustained when the work is finished .
3 Spontaneous speech consists of sequences , not just single sentences , and there are some properties of spontaneous speech which can only be appreciated when one examines language production above the sentence level ; hence this is the topic we next discuss .
4 Not of course that the reasoning is invalid , or that the paradigm itself can not be questioned when it is sensed that something is going wrong ; indeed it is its destiny to lead eventually to intolerable anomalies and be replaced by another .
5 They can not be sexed when small , but it would be better to obtain an unrelated female to avoid inbreeding .
6 But their limitation has been that they can only be used when all the well data is available — after it has been drilled .
7 It can also be used when several results have already been found but people are unable to proceed further to a generalisation ; for instance , they may have failed to spot a linear relationship or a well-known number-sequence in their results .
8 Also , charcoal is preferred because of its steady and concentrated heat , its smokeless burning , and because it can easily be extinguished when the fire is no longer needed .
9 Unlike mercury-gilding , there is no positive analytical evidence which can identify gold leaf , but it can often be recognised when viewed in cross-section at high magnification .
10 It can only be activated when a false statement actually damages a reputation .
11 One problem with the above test of a set of restrictions is that , strictly , it can only be applied when the model is linear and the restrictions themselves are linear .
12 Which all goes to show what can actually be achieved when an analogue master tape is lovingly transferred to compact disc .
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