Example sentences of "[noun] [verb] exist for [num] " in BNC.

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1 Yet , running through them , the still more ancient river Indus had existed for millions of years before their rise .
2 By case law the definition applies when this pattern has existed for three years or more .
3 Well I mean relations have existed for thousands of years .
4 Man 's desire to fly like the birds had existed for hundreds of years but with the advent of the internal combustion engine , the chances of achieving some sort of flight appeared to be improved .
5 The hon. Gentleman says that the problem has existed for 14 years .
6 ‘ The plans have existed for three years and no-one has asked the supporters for their opinion , ’ says a spokesman .
7 The ESRC Data Archive has existed for 26 years .
8 The uncontrolled liberation of fusion energy has existed for 40 years , ever since the detonation of the first thermonuclear or ‘ hydrogen ’ bomb .
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