Example sentences of "change [vb mod] have taken [noun] " in BNC.

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1 The change must have taken place long before Ediacaran times for when those rocks were deposited the fundamental invertebrate divisions were already established .
2 What he perceived was rather the state of the doctor and he inferred from this that a change must have taken place at some time before that moment .
3 We must , however , now accept that these plans are developments from the original forms and that great changes may have taken place before we get to the earliest arrangement we can distinguish .
4 Thus , any attempt to analyse the former land use around a settlement needs to take into account more than just the present physical nature of the land : changes may have taken place in any period under the influence of the technical abilities , and social and economic conditions prevailing at any time .
5 Far reaching and radical changes will have taken place .
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