Example sentences of "changes [conj] have [adv] [verb] " in BNC.

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1 But most of us still feel hard-pressed to keep up with those changes that have already taken place .
2 We should note important changes that have already come about .
3 So the very act of searching became symbolic of the drastic changes that have recently shaken Bolivia .
4 To put the point graphically , while Marx and his nineteenth-century comrades would have no great difficulty in recognizing the economic and the political spheres today , despite the major changes that have undoubtedly taken place in the last hundred years , in the cultural-ideological sphere the opportunities for hegemonic control on a global scale have changed out of all recognition .
5 So , this method of measuring the conservatism of DNA , by looking at the number of changes that have actually occurred during geological time , compounds genuine copying fidelity with the filtering effects of natural selection .
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