Example sentences of "when [vb pp] [prep] [adj] [noun sg] [pers pn] " in BNC.

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1 Similarly , if a cancer is found at a screening colonoscopy in a patient presenting to a unit years after the programme entry date for example , colitis of 17 years duration or when referred from another centre it can not be counted a success becaue these cancers represent a selected group detected outside the regular surveillance protocol .
2 However , when examined in more detail it is possible to identify significant variations along the margin .
3 Observers in northern latitudes can never really appreciate how superb the star-clouds really are ; when seen at high altitude they are striking by any standards .
4 Even when possessed of high ability he is often forced to settle for the position i on the catastrophe surface .
5 When viewed in this light it should not be surprising that the loudest , most powerful voices being heard in the name of animal welfare — at least in the United States — are those who have a vested interest in the perpetuation of animal exploitation .
6 The recompense is meagre , but when combined with ideological enthusiasm it helps sustain a new type of local politician .
7 When photographed with adequate equipment it really does recall the outline of the North American continent ; it is dimly visible with the naked eye in the guise of a slightly brighter section of the Milky Way , and binoculars show it clearly as a large region of diffuse nebulosity .
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