Example sentences of "[conj] [prep] a [adv] long [noun] " in BNC.

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1 On the other hand all modern anthropologists and archaeologists would agree with the view that for a very long period of history mankind has existed solely by hunting , fishing , and gathering , and that such a technological stage always precedes domestication of plants and animals .
2 It is then not surprising that for a very long period the most difficult problems in the social relations of cultural practice revolved around the question of literacy .
3 It has proved extremely difficult , too , to find significant changes in attitudes in many markets except over a rather long period — which does not disprove the theory , but suggests either that advertising does not work very fast , which no one wishes to admit , or that attitudes are not the whole of the story .
4 Incidentally , Dubhe and Alkaid are moving across the sky in a direction opposite to that of the remaining five stars , so that over a sufficiently long period the Plough will lose its familiar shape .
5 The report proved that she had known him very well indeed , and for a very long time .
6 Clearly this is consistent both with a period of about a day and with a very long period .
7 What we try to do is to make available to people opportunities for study in depth and over a fairly long period of time , on issues and in subjects which are part of University activity .
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