Example sentences of "when they [verb] not [vb infin] [adj] " in BNC.

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1 When they do not perceive any such benefits , they feel free to deviate .
2 The case for co-operative R&D ventures that emerges from our survey of the theoretical literature in section II above suggests that they are most desirable where technological spillovers and pecuniary externalities are large , where participating firms produce complementary products , when they are focused on the R rather than the D , and when they do not enhance downstream product market power .
3 Thus it could be argued that children only psychologize as a last resort when they do not have ready access to information about plausible causal mechanisms .
4 Kin are those with whom we adopt the special style of informal communication which is adopted towards members of the immediate domestic family who are treated in this specially favoured way even when they do not live all together in one household .
5 When they did not return that night , Richard led a search party for them at first light the following morning .
6 When they did not hear any further news , Mr McNeilage and his wife , Caryl , became increasingly worried about Alistair 's safety .
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